/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf -i ../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:47:52,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:47:52,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:47:52,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 12:47:52,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 12:47:52,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 12:47:52,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 12:47:52,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 12:47:52,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 12:47:52,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 12:47:52,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 12:47:52,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 12:47:52,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:47:52,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:47:52,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:47:52,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:47:52,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:47:52,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:47:52,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:47:52,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:47:52,221 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:47:52,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:47:52,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:47:52,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:47:52,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:47:52,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-22 12:47:52,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:47:52,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:47:52,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:47:52,240 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf [2022-07-22 12:47:52,270 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:47:52,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:47:52,271 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:47:52,271 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:47:52,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:47:52,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:47:52,273 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:47:52,273 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:47:52,273 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:47:52,273 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:47:52,274 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:47:52,274 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:47:52,274 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:47:52,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:47:52,274 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:47:52,275 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:47:52,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:47:52,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:47:52,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:47:52,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:47:52,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:47:52,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:47:52,276 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:47:52,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:47:52,276 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:47:52,277 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:47:52,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:47:52,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:47:52,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:47:52,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:47:52,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:47:52,278 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-22 12:47:52,279 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:47:52,279 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:47:52,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:47:52,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:47:52,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:47:52,662 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:47:52,663 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:47:52,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2022-07-22 12:47:52,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9b2acff0/346518a84dbf4a27abd2c55d4f7ac6b4/FLAGf623abfee [2022-07-22 12:47:53,314 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:47:53,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2022-07-22 12:47:53,323 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9b2acff0/346518a84dbf4a27abd2c55d4f7ac6b4/FLAGf623abfee [2022-07-22 12:47:53,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9b2acff0/346518a84dbf4a27abd2c55d4f7ac6b4 [2022-07-22 12:47:53,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:47:53,688 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:47:53,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:47:53,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:47:53,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:47:53,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:47:53" (1/1) ... [2022-07-22 12:47:53,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6766295c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:47:53, skipping insertion in model container [2022-07-22 12:47:53,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:47:53" (1/1) ... [2022-07-22 12:47:53,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:47:53,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:47:53,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c[2507,2520] [2022-07-22 12:47:53,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:47:53,953 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:47:54,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c[2507,2520] [2022-07-22 12:47:54,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:47:54,037 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:47:54,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:47:54 WrapperNode [2022-07-22 12:47:54,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:47:54,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:47:54,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:47:54,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:47:54,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:47:54" (1/1) ... [2022-07-22 12:47:54,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:47:54" (1/1) ... [2022-07-22 12:47:54,128 INFO L137 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 118 [2022-07-22 12:47:54,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:47:54,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:47:54,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:47:54,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:47:54,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:47:54" (1/1) ... [2022-07-22 12:47:54,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:47:54" (1/1) ... [2022-07-22 12:47:54,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:47:54" (1/1) ... [2022-07-22 12:47:54,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:47:54" (1/1) ... [2022-07-22 12:47:54,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:47:54" (1/1) ... [2022-07-22 12:47:54,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:47:54" (1/1) ... [2022-07-22 12:47:54,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:47:54" (1/1) ... [2022-07-22 12:47:54,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:47:54,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:47:54,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:47:54,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:47:54,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:47:54" (1/1) ... [2022-07-22 12:47:54,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:47:54,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:47:54,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:47:54,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 12:47:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:47:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-22 12:47:54,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-22 12:47:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-22 12:47:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-22 12:47:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-22 12:47:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-22 12:47:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-07-22 12:47:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-07-22 12:47:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:47:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:47:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:47:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-22 12:47:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-22 12:47:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:47:54,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:47:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:47:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:47:54,340 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-22 12:47:54,473 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:47:54,475 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:47:54,758 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:47:54,892 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:47:54,893 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-22 12:47:54,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:47:54 BoogieIcfgContainer [2022-07-22 12:47:54,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:47:54,897 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:47:54,897 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:47:54,901 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:47:54,902 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:47:54,902 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:47:53" (1/3) ... [2022-07-22 12:47:54,904 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a472729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:47:54, skipping insertion in model container [2022-07-22 12:47:54,904 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:47:54,904 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:47:54" (2/3) ... [2022-07-22 12:47:54,904 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a472729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:47:54, skipping insertion in model container [2022-07-22 12:47:54,905 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:47:54,905 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:47:54" (3/3) ... [2022-07-22 12:47:54,906 INFO L322 chiAutomizerObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2022-07-22 12:47:54,997 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-07-22 12:47:55,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 129 transitions, 290 flow [2022-07-22 12:47:55,117 INFO L129 PetriNetUnfolder]: 9/121 cut-off events. [2022-07-22 12:47:55,117 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-22 12:47:55,126 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 121 events. 9/121 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 96 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2022-07-22 12:47:55,127 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 129 transitions, 290 flow [2022-07-22 12:47:55,143 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 121 transitions, 266 flow [2022-07-22 12:47:55,150 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-22 12:47:55,164 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 121 transitions, 266 flow [2022-07-22 12:47:55,168 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 121 transitions, 266 flow [2022-07-22 12:47:55,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 121 transitions, 266 flow [2022-07-22 12:47:55,224 INFO L129 PetriNetUnfolder]: 9/121 cut-off events. [2022-07-22 12:47:55,225 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-22 12:47:55,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 121 events. 9/121 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2022-07-22 12:47:55,232 INFO L116 LiptonReduction]: Number of co-enabled transitions 2520 [2022-07-22 12:47:59,144 INFO L131 LiptonReduction]: Checked pairs total: 2509 [2022-07-22 12:47:59,145 INFO L133 LiptonReduction]: Total number of compositions: 98 [2022-07-22 12:47:59,167 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:47:59,167 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:47:59,167 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:47:59,167 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:47:59,168 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:47:59,168 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:47:59,168 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:47:59,168 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:47:59,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:47:59,371 INFO L131 ngComponentsAnalysis]: Automaton has 230 accepting balls. 230 [2022-07-22 12:47:59,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:47:59,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:47:59,379 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-22 12:47:59,379 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:47:59,379 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 12:47:59,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 321 states, but on-demand construction may add more states [2022-07-22 12:47:59,402 INFO L131 ngComponentsAnalysis]: Automaton has 230 accepting balls. 230 [2022-07-22 12:47:59,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:47:59,403 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:47:59,403 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-22 12:47:59,403 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:47:59,409 INFO L748 eck$LassoCheckResult]: Stem: 132#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 135#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 137#[thread1ENTRY, L89-4]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 139#[L89-4, L41-4]don't care [2022-07-22 12:47:59,410 INFO L750 eck$LassoCheckResult]: Loop: 139#[L89-4, L41-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 139#[L89-4, L41-4]don't care [2022-07-22 12:47:59,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:47:59,416 INFO L85 PathProgramCache]: Analyzing trace with hash 515839, now seen corresponding path program 1 times [2022-07-22 12:47:59,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:47:59,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954400668] [2022-07-22 12:47:59,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:47:59,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:47:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:47:59,564 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:47:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:47:59,610 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:47:59,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:47:59,614 INFO L85 PathProgramCache]: Analyzing trace with hash 513, now seen corresponding path program 1 times [2022-07-22 12:47:59,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:47:59,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311498886] [2022-07-22 12:47:59,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:47:59,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:47:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:47:59,623 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:47:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:47:59,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:47:59,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:47:59,631 INFO L85 PathProgramCache]: Analyzing trace with hash 15991491, now seen corresponding path program 1 times [2022-07-22 12:47:59,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:47:59,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629386239] [2022-07-22 12:47:59,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:47:59,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:47:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:47:59,662 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:47:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:47:59,696 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:47:59,744 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:47:59,745 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:47:59,745 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:47:59,745 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:47:59,746 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:47:59,746 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:47:59,746 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:47:59,746 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:47:59,748 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration1_Loop [2022-07-22 12:47:59,748 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:47:59,748 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:47:59,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:47:59,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:47:59,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:47:59,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:47:59,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:47:59,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:47:59,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:47:59,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:47:59,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:47:59,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:47:59,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:47:59,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:47:59,906 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:47:59,907 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:47:59,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:47:59,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:47:59,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:47:59,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-22 12:47:59,920 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:47:59,920 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:47:59,947 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:47:59,947 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_1=3} Honda state: {v_rep#funAddr~thread4.offset_1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:47:59,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-22 12:47:59,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:47:59,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:47:59,998 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:00,004 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:00,004 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:00,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-22 12:48:00,026 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:00,026 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_1=-1} Honda state: {v_rep#funAddr~thread1.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:00,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:00,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:00,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:00,069 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:00,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-22 12:48:00,073 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:00,073 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:00,102 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:00,103 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_1=0} Honda state: {v_rep#funAddr~thread1.offset_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:00,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:00,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:00,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:00,153 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:00,159 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:00,160 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:00,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-22 12:48:00,192 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:00,192 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_1=-1} Honda state: {v_rep#funAddr~thread3.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:00,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:00,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:00,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:00,233 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:00,240 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:00,240 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:00,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-22 12:48:00,267 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:00,267 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_1=-1} Honda state: {v_rep#funAddr~thread2.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:00,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:00,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:00,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:00,305 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:00,309 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:00,310 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:00,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-22 12:48:00,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-07-22 12:48:00,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:00,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:00,361 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:00,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-22 12:48:00,366 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:00,366 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:00,511 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:00,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:00,514 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:00,514 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:00,514 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:00,514 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:00,514 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:00,514 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:00,514 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:00,514 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:00,514 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration1_Loop [2022-07-22 12:48:00,514 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:00,515 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:00,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:00,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:00,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:00,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:00,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:00,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:00,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:00,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:00,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:00,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:00,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:00,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:00,637 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:00,642 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:00,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:00,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:00,649 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:00,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:00,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:00,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:00,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:00,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:00,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:00,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:00,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-22 12:48:00,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:00,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:00,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:00,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:00,730 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:00,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:00,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:00,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:00,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:00,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:00,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:00,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:00,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-22 12:48:00,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:00,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:00,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:00,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:00,797 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:00,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-22 12:48:00,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:00,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:00,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:00,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:00,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:00,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:00,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:00,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:00,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:00,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:00,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:00,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:00,880 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:00,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:00,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:00,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:00,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:00,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:00,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:00,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:00,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-22 12:48:00,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:00,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:00,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:00,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:00,954 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:00,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:00,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-22 12:48:00,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:00,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:00,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:00,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:00,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:00,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:00,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:01,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:01,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:01,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:01,010 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:01,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-22 12:48:01,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:01,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:01,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:01,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:01,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:01,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:01,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:01,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:01,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:01,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:01,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:01,065 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:01,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-22 12:48:01,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:01,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:01,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:01,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:01,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:01,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:01,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:01,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:01,087 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:01,106 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:01,107 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:48:01,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:01,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:01,113 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:01,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-22 12:48:01,115 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:01,115 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:01,115 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:01,116 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork1_~i~0, ~M~0) = -1*thread1Thread1of1ForFork1_~i~0 + 1*~M~0 Supporting invariants [] [2022-07-22 12:48:01,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:01,141 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:01,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:01,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:01,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:01,247 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:01,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:01,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:01,297 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:01,300 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 321 states, but on-demand construction may add more states Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:01,464 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 321 states, but on-demand construction may add more states. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 639 states and 2825 transitions. Complement of second has 3 states. [2022-07-22 12:48:01,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:01,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:01,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2022-07-22 12:48:01,474 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 20 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-22 12:48:01,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:01,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 20 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-22 12:48:01,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:01,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 20 transitions. Stem has 3 letters. Loop has 2 letters. [2022-07-22 12:48:01,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:01,476 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 639 states and 2825 transitions. [2022-07-22 12:48:01,499 INFO L131 ngComponentsAnalysis]: Automaton has 229 accepting balls. 229 [2022-07-22 12:48:01,522 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 639 states to 624 states and 2775 transitions. [2022-07-22 12:48:01,523 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 388 [2022-07-22 12:48:01,529 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 545 [2022-07-22 12:48:01,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 624 states and 2775 transitions. [2022-07-22 12:48:01,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:01,543 INFO L220 hiAutomatonCegarLoop]: Abstraction has 624 states and 2775 transitions. [2022-07-22 12:48:01,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states and 2775 transitions. [2022-07-22 12:48:01,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-07-22 12:48:01,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 468. [2022-07-22 12:48:01,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 468 states have (on average 4.461538461538462) internal successors, (2088), 467 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:01,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 2088 transitions. [2022-07-22 12:48:01,692 INFO L242 hiAutomatonCegarLoop]: Abstraction has 468 states and 2088 transitions. [2022-07-22 12:48:01,692 INFO L425 stractBuchiCegarLoop]: Abstraction has 468 states and 2088 transitions. [2022-07-22 12:48:01,693 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 12:48:01,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 468 states and 2088 transitions. [2022-07-22 12:48:01,702 INFO L131 ngComponentsAnalysis]: Automaton has 229 accepting balls. 229 [2022-07-22 12:48:01,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:01,703 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:01,703 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 12:48:01,703 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:01,704 INFO L748 eck$LassoCheckResult]: Stem: 2360#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 1898#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 1648#[thread1ENTRY, L89-4]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 1650#[L89-4, L41-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 1880#[L90-3, L41-4]don't care [2022-07-22 12:48:01,705 INFO L750 eck$LassoCheckResult]: Loop: 1880#[L90-3, L41-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 1880#[L90-3, L41-4]don't care [2022-07-22 12:48:01,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:01,709 INFO L85 PathProgramCache]: Analyzing trace with hash 15991495, now seen corresponding path program 1 times [2022-07-22 12:48:01,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:01,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702807066] [2022-07-22 12:48:01,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:01,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:01,786 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:01,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:01,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:01,835 INFO L85 PathProgramCache]: Analyzing trace with hash 513, now seen corresponding path program 2 times [2022-07-22 12:48:01,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:01,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614107176] [2022-07-22 12:48:01,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:01,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:01,849 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:01,860 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:01,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:01,861 INFO L85 PathProgramCache]: Analyzing trace with hash 495736827, now seen corresponding path program 1 times [2022-07-22 12:48:01,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:01,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411398031] [2022-07-22 12:48:01,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:01,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:01,914 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:01,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:01,982 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:01,982 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:01,982 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:01,983 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:01,983 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:01,983 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:01,983 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:01,983 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:01,983 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration2_Loop [2022-07-22 12:48:01,983 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:01,983 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:01,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:01,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:01,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:01,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:01,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:01,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:01,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:02,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:02,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:02,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:02,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:02,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:02,087 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:02,087 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:02,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:02,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:02,089 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:02,100 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:02,100 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:02,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-22 12:48:02,122 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:02,122 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_3=-1} Honda state: {v_rep#funAddr~thread1.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:02,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:02,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:02,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:02,162 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:02,168 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:02,168 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:02,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-22 12:48:02,191 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:02,191 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_3=-1} Honda state: {v_rep#funAddr~thread3.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:02,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:02,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:02,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:02,233 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:02,237 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:02,238 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:02,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-22 12:48:02,262 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:02,266 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_3=-1} Honda state: {v_rep#funAddr~thread2.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:02,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:02,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:02,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:02,303 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:02,317 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:02,317 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:02,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-22 12:48:02,335 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:02,335 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_3=-1} Honda state: {v_rep#funAddr~thread4.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:02,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:02,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:02,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:02,371 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:02,377 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:02,377 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:02,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-22 12:48:02,396 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:02,396 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_3=3} Honda state: {v_rep#funAddr~thread4.offset_3=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:02,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:02,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:02,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:02,435 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:02,443 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:02,443 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:02,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-22 12:48:02,461 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:02,461 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_3=0} Honda state: {v_rep#funAddr~thread1.offset_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:02,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:02,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:02,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:02,497 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:02,500 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:02,500 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:02,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-22 12:48:02,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:02,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:02,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:02,551 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:02,554 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:02,555 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:02,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-22 12:48:02,707 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:02,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:02,712 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:02,712 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:02,713 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:02,713 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:02,713 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:02,713 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:02,713 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:02,713 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:02,714 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration2_Loop [2022-07-22 12:48:02,714 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:02,714 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:02,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:02,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:02,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:02,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:02,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:02,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:02,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:02,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:02,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:02,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:02,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:02,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:02,837 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:02,838 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:02,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:02,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:02,839 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:02,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:02,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:02,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:02,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:02,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:02,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:02,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:02,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-22 12:48:02,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:02,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:02,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:02,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:02,914 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:02,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:02,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:02,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:02,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:02,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:02,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:02,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:02,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-22 12:48:02,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:02,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:02,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:02,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:02,982 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:02,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:02,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:02,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:02,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:02,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:02,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:02,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:02,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-22 12:48:03,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:03,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:03,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:03,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:03,048 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:03,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:03,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:03,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:03,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:03,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:03,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:03,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:03,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-22 12:48:03,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:03,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:03,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:03,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:03,112 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:03,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:03,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:03,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:03,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:03,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:03,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:03,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:03,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-22 12:48:03,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:03,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:03,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:03,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:03,175 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:03,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:03,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:03,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:03,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:03,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:03,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:03,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:03,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-07-22 12:48:03,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:03,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:03,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:03,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:03,241 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:03,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:03,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:03,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:03,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:03,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:03,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:03,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:03,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:03,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-07-22 12:48:03,265 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:03,271 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:03,271 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:03,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:03,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:03,277 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:03,279 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:03,280 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:03,280 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:03,280 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~M~0, thread1Thread1of1ForFork1_~i~0) = 1*~M~0 - 1*thread1Thread1of1ForFork1_~i~0 Supporting invariants [] [2022-07-22 12:48:03,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-07-22 12:48:03,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:03,323 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:03,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:03,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:03,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:03,372 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:03,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:03,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:03,374 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:03,374 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 468 states and 2088 transitions. cyclomatic complexity: 1928 Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:03,411 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 468 states and 2088 transitions. cyclomatic complexity: 1928. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 473 states and 2099 transitions. Complement of second has 3 states. [2022-07-22 12:48:03,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:03,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:03,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2022-07-22 12:48:03,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-22 12:48:03,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:03,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:48:03,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:03,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-22 12:48:03,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:03,413 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 473 states and 2099 transitions. [2022-07-22 12:48:03,424 INFO L131 ngComponentsAnalysis]: Automaton has 228 accepting balls. 228 [2022-07-22 12:48:03,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 473 states to 473 states and 2099 transitions. [2022-07-22 12:48:03,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 388 [2022-07-22 12:48:03,435 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 392 [2022-07-22 12:48:03,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 473 states and 2099 transitions. [2022-07-22 12:48:03,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:03,437 INFO L220 hiAutomatonCegarLoop]: Abstraction has 473 states and 2099 transitions. [2022-07-22 12:48:03,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states and 2099 transitions. [2022-07-22 12:48:03,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 467. [2022-07-22 12:48:03,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 467 states have (on average 4.464668094218416) internal successors, (2085), 466 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:03,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 2085 transitions. [2022-07-22 12:48:03,459 INFO L242 hiAutomatonCegarLoop]: Abstraction has 467 states and 2085 transitions. [2022-07-22 12:48:03,459 INFO L425 stractBuchiCegarLoop]: Abstraction has 467 states and 2085 transitions. [2022-07-22 12:48:03,460 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 12:48:03,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 467 states and 2085 transitions. [2022-07-22 12:48:03,467 INFO L131 ngComponentsAnalysis]: Automaton has 228 accepting balls. 228 [2022-07-22 12:48:03,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:03,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:03,468 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 12:48:03,468 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:03,468 INFO L748 eck$LassoCheckResult]: Stem: 3798#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 3338#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 3088#[thread1ENTRY, L89-4]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 3090#[L89-4, L41-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 3320#[L90-3, L41-4]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 2918#[thread2ENTRY, L41-4, L90-4]don't care [2022-07-22 12:48:03,469 INFO L750 eck$LassoCheckResult]: Loop: 2918#[thread2ENTRY, L41-4, L90-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 2918#[thread2ENTRY, L41-4, L90-4]don't care [2022-07-22 12:48:03,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:03,469 INFO L85 PathProgramCache]: Analyzing trace with hash 495736736, now seen corresponding path program 1 times [2022-07-22 12:48:03,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:03,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500730460] [2022-07-22 12:48:03,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:03,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:03,488 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:03,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:03,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:03,503 INFO L85 PathProgramCache]: Analyzing trace with hash 513, now seen corresponding path program 3 times [2022-07-22 12:48:03,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:03,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805047050] [2022-07-22 12:48:03,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:03,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:03,508 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:03,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:03,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:03,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1812029886, now seen corresponding path program 1 times [2022-07-22 12:48:03,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:03,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994556879] [2022-07-22 12:48:03,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:03,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:03,547 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:03,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:03,581 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:03,581 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:03,581 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:03,581 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:03,582 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:03,582 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:03,582 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:03,582 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:03,582 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration3_Loop [2022-07-22 12:48:03,582 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:03,582 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:03,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:03,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:03,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:03,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:03,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:03,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:03,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:03,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:03,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:03,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:03,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:03,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:03,688 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:03,688 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:03,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:03,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:03,690 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:03,753 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:03,753 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:03,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-22 12:48:03,775 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:03,776 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post2=0} Honda state: {thread1Thread1of1ForFork1_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:03,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:03,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-07-22 12:48:03,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:03,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:03,821 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:03,827 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:03,827 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:03,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-22 12:48:03,850 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:03,850 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_5=-1} Honda state: {v_rep#funAddr~thread1.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:03,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:03,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:03,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:03,885 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:03,888 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:03,888 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:03,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-22 12:48:03,907 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:03,907 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_5=-1} Honda state: {v_rep#funAddr~thread4.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:03,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:03,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:03,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:03,943 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:03,950 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:03,950 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:03,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-22 12:48:03,970 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:03,970 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post1=0} Honda state: {thread1Thread1of1ForFork1_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:03,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:04,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:04,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:04,000 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:04,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-22 12:48:04,002 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:04,002 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:04,015 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:04,015 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_5=-1} Honda state: {v_rep#funAddr~thread2.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:04,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:04,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:04,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:04,038 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:04,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-22 12:48:04,041 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:04,041 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:04,054 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:04,054 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_5=-1} Honda state: {v_rep#funAddr~thread3.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:04,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:04,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:04,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:04,079 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:04,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-22 12:48:04,081 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:04,081 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:04,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:04,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:04,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:04,112 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:04,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-22 12:48:04,116 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:04,116 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:04,150 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:04,150 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter1~0=0} Honda state: {~counter1~0=0} Generalized eigenvectors: [{~counter1~0=1}, {~counter1~0=3}, {~counter1~0=-3}] Lambdas: [1, 1, 1] Nus: [0, 0] [2022-07-22 12:48:04,176 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-07-22 12:48:04,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:04,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:04,177 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:04,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-22 12:48:04,179 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:04,180 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:04,212 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:04,212 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_5=0} Honda state: {v_rep#funAddr~thread1.offset_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:04,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:04,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:04,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:04,251 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:04,253 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:04,253 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:04,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-07-22 12:48:04,273 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:04,273 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_5=3} Honda state: {v_rep#funAddr~thread4.offset_5=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:04,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-07-22 12:48:04,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:04,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:04,300 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:04,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-07-22 12:48:04,301 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:04,301 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:04,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:04,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:04,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:04,332 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:04,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-07-22 12:48:04,333 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:04,333 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:04,474 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:04,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-07-22 12:48:04,476 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:04,476 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:04,476 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:04,476 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:04,476 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:04,477 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:04,477 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:04,477 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:04,477 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration3_Loop [2022-07-22 12:48:04,477 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:04,477 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:04,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:04,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:04,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:04,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:04,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:04,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:04,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:04,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:04,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:04,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:04,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:04,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:04,587 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:04,587 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:04,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:04,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:04,588 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:04,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:04,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:04,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:04,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:04,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:04,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-07-22 12:48:04,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:04,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:04,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:04,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:04,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:04,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:04,655 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:04,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:04,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:04,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:04,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:04,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:04,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:04,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:04,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-07-22 12:48:04,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:04,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:04,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:04,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:04,714 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:04,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:04,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-07-22 12:48:04,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:04,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:04,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:04,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:04,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:04,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:04,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:04,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:04,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:04,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:04,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:04,764 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:04,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-07-22 12:48:04,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:04,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:04,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:04,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:04,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:04,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:04,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:04,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:04,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:04,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:04,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:04,836 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:04,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:04,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:04,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:04,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:04,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:04,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:04,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:04,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-07-22 12:48:04,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:04,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-07-22 12:48:04,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:04,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:04,880 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:04,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-07-22 12:48:04,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:04,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:04,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:04,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:04,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:04,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:04,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:04,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:04,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:04,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-07-22 12:48:04,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:04,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:04,913 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:04,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:04,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:04,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:04,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:04,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:04,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:04,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:04,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:04,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-07-22 12:48:04,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:04,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:04,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:04,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:04,971 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:04,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:04,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:04,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:04,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:04,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:04,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:04,983 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:04,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-07-22 12:48:04,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:05,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:05,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:05,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:05,027 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:05,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:05,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:05,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:05,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:05,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:05,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:05,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:05,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-07-22 12:48:05,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:05,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:05,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:05,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:05,064 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:05,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-07-22 12:48:05,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:05,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:05,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:05,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:05,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:05,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:05,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:05,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:05,087 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:05,092 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:05,093 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:48:05,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:05,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:05,094 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:05,099 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:05,099 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:05,099 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:05,099 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~M~0, thread1Thread1of1ForFork1_~i~0) = 1*~M~0 - 1*thread1Thread1of1ForFork1_~i~0 Supporting invariants [] [2022-07-22 12:48:05,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-07-22 12:48:05,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:05,133 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:05,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:05,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:05,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:05,183 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:05,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:05,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:05,184 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:05,184 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 467 states and 2085 transitions. cyclomatic complexity: 1925 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:05,221 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 467 states and 2085 transitions. cyclomatic complexity: 1925. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 475 states and 2111 transitions. Complement of second has 3 states. [2022-07-22 12:48:05,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:05,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:05,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2022-07-22 12:48:05,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:48:05,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:05,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:48:05,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:05,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-22 12:48:05,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:05,225 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 475 states and 2111 transitions. [2022-07-22 12:48:05,236 INFO L131 ngComponentsAnalysis]: Automaton has 227 accepting balls. 227 [2022-07-22 12:48:05,245 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 475 states to 475 states and 2111 transitions. [2022-07-22 12:48:05,245 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 387 [2022-07-22 12:48:05,247 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 394 [2022-07-22 12:48:05,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 475 states and 2111 transitions. [2022-07-22 12:48:05,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:05,249 INFO L220 hiAutomatonCegarLoop]: Abstraction has 475 states and 2111 transitions. [2022-07-22 12:48:05,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states and 2111 transitions. [2022-07-22 12:48:05,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 466. [2022-07-22 12:48:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 466 states have (on average 4.465665236051502) internal successors, (2081), 465 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:05,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 2081 transitions. [2022-07-22 12:48:05,271 INFO L242 hiAutomatonCegarLoop]: Abstraction has 466 states and 2081 transitions. [2022-07-22 12:48:05,271 INFO L425 stractBuchiCegarLoop]: Abstraction has 466 states and 2081 transitions. [2022-07-22 12:48:05,271 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-22 12:48:05,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 466 states and 2081 transitions. [2022-07-22 12:48:05,278 INFO L131 ngComponentsAnalysis]: Automaton has 227 accepting balls. 227 [2022-07-22 12:48:05,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:05,279 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:05,279 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 12:48:05,279 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:05,280 INFO L748 eck$LassoCheckResult]: Stem: 5239#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 4781#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 4531#[thread1ENTRY, L89-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 4535#[thread1ENTRY, L90-3]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 4849#[thread2ENTRY, thread1ENTRY, L90-4]don't care [350] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 4379#[L51-4, thread1ENTRY, L90-4]don't care [2022-07-22 12:48:05,280 INFO L750 eck$LassoCheckResult]: Loop: 4379#[L51-4, thread1ENTRY, L90-4]don't care [476] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_~i~1#1_27| (+ |v_thread2Thread1of1ForFork3_~i~1#1_28| 1)) (< |v_thread2Thread1of1ForFork3_~i~1#1_28| v_~N~0_27) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|) (= (+ v_~counter1~0_60 1) v_~counter1~0_61) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| 0)) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9| (ite (< 0 v_~counter1~0_61) 1 0))) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_28|, ~counter1~0=v_~counter1~0_61, ~N~0=v_~N~0_27} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_9|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_13|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_27|, ~counter1~0=v_~counter1~0_60, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 4379#[L51-4, thread1ENTRY, L90-4]don't care [2022-07-22 12:48:05,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:05,280 INFO L85 PathProgramCache]: Analyzing trace with hash 495874056, now seen corresponding path program 1 times [2022-07-22 12:48:05,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:05,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934372999] [2022-07-22 12:48:05,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:05,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:05,308 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:05,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:05,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:05,335 INFO L85 PathProgramCache]: Analyzing trace with hash 507, now seen corresponding path program 1 times [2022-07-22 12:48:05,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:05,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890500612] [2022-07-22 12:48:05,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:05,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:05,351 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:05,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:05,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:05,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1807772972, now seen corresponding path program 1 times [2022-07-22 12:48:05,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:05,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536191288] [2022-07-22 12:48:05,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:05,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:05,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:05,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:48:05,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536191288] [2022-07-22 12:48:05,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536191288] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:48:05,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:48:05,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-07-22 12:48:05,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245432019] [2022-07-22 12:48:05,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:48:05,537 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:05,537 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:05,538 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:05,538 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:05,538 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:05,538 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:05,538 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:05,538 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:05,538 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration4_Loop [2022-07-22 12:48:05,538 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:05,538 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:05,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,655 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:05,655 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:05,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:05,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:05,656 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:05,658 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:05,658 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:05,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-07-22 12:48:05,675 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:05,675 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_7=-1} Honda state: {v_rep#funAddr~thread2.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:05,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-07-22 12:48:05,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:05,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:05,697 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:05,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-07-22 12:48:05,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:05,698 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:05,711 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:05,712 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_7=-1} Honda state: {v_rep#funAddr~thread3.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:05,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:05,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:05,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:05,734 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:05,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-07-22 12:48:05,735 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:05,735 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:05,748 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:05,748 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_7=-1} Honda state: {v_rep#funAddr~thread4.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:05,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-07-22 12:48:05,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:05,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:05,770 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:05,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-07-22 12:48:05,772 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:05,772 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:05,786 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:05,787 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_7=-1} Honda state: {v_rep#funAddr~thread1.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:05,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-07-22 12:48:05,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:05,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:05,809 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:05,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-07-22 12:48:05,811 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:05,811 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:05,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:05,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:05,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:05,845 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:05,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-07-22 12:48:05,849 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:05,850 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:05,885 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:05,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:05,887 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:05,887 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:05,887 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:05,887 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:05,887 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:05,888 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:05,888 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:05,888 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:05,888 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration4_Loop [2022-07-22 12:48:05,888 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:05,888 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:05,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:05,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:06,017 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:06,018 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:06,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:06,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:06,019 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:06,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:06,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:06,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:06,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:06,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:06,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:06,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:06,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-07-22 12:48:06,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:06,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:06,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:06,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:06,070 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:06,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-07-22 12:48:06,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:06,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:06,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:06,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:06,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:06,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:06,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:06,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:06,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-07-22 12:48:06,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:06,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:06,114 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:06,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-07-22 12:48:06,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:06,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:06,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:06,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:06,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:06,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:06,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:06,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:06,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:06,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:06,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:06,182 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:06,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:06,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:06,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:06,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:06,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:06,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:06,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:06,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:06,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:06,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-07-22 12:48:06,243 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:06,250 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:06,251 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:06,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:06,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:06,252 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:06,261 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:06,261 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:06,262 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:06,262 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter1~0) = 1*~counter1~0 Supporting invariants [] [2022-07-22 12:48:06,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-07-22 12:48:06,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:06,293 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:06,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:06,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:06,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:06,350 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:48:06,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:06,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:06,352 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:06,352 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 466 states and 2081 transitions. cyclomatic complexity: 1921 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:06,442 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 466 states and 2081 transitions. cyclomatic complexity: 1921. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 867 states and 4017 transitions. Complement of second has 3 states. [2022-07-22 12:48:06,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:06,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 22 transitions. [2022-07-22 12:48:06,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:48:06,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:06,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:48:06,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:06,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-22 12:48:06,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:06,445 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 4017 transitions. [2022-07-22 12:48:06,467 INFO L131 ngComponentsAnalysis]: Automaton has 226 accepting balls. 226 [2022-07-22 12:48:06,486 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 864 states and 4011 transitions. [2022-07-22 12:48:06,486 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 478 [2022-07-22 12:48:06,489 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 664 [2022-07-22 12:48:06,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 864 states and 4011 transitions. [2022-07-22 12:48:06,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:06,493 INFO L220 hiAutomatonCegarLoop]: Abstraction has 864 states and 4011 transitions. [2022-07-22 12:48:06,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states and 4011 transitions. [2022-07-22 12:48:06,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 653. [2022-07-22 12:48:06,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 653 states have (on average 4.683001531393568) internal successors, (3058), 652 states have internal predecessors, (3058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:06,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 3058 transitions. [2022-07-22 12:48:06,527 INFO L242 hiAutomatonCegarLoop]: Abstraction has 653 states and 3058 transitions. [2022-07-22 12:48:06,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:48:06,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:48:06,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:48:06,531 INFO L87 Difference]: Start difference. First operand 653 states and 3058 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:06,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:48:06,608 INFO L93 Difference]: Finished difference Result 951 states and 4128 transitions. [2022-07-22 12:48:06,608 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 951 states and 4128 transitions. [2022-07-22 12:48:06,628 INFO L131 ngComponentsAnalysis]: Automaton has 327 accepting balls. 327 [2022-07-22 12:48:06,645 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 951 states to 941 states and 4083 transitions. [2022-07-22 12:48:06,646 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 765 [2022-07-22 12:48:06,648 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 765 [2022-07-22 12:48:06,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 941 states and 4083 transitions. [2022-07-22 12:48:06,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:06,651 INFO L220 hiAutomatonCegarLoop]: Abstraction has 941 states and 4083 transitions. [2022-07-22 12:48:06,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states and 4083 transitions. [2022-07-22 12:48:06,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 790. [2022-07-22 12:48:06,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 790 states have (on average 4.484810126582278) internal successors, (3543), 789 states have internal predecessors, (3543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:06,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 3543 transitions. [2022-07-22 12:48:06,684 INFO L242 hiAutomatonCegarLoop]: Abstraction has 790 states and 3543 transitions. [2022-07-22 12:48:06,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:48:06,686 INFO L425 stractBuchiCegarLoop]: Abstraction has 790 states and 3543 transitions. [2022-07-22 12:48:06,686 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-22 12:48:06,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 790 states and 3543 transitions. [2022-07-22 12:48:06,698 INFO L131 ngComponentsAnalysis]: Automaton has 281 accepting balls. 281 [2022-07-22 12:48:06,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:06,698 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:06,699 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:06,699 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:06,699 INFO L748 eck$LassoCheckResult]: Stem: 9782#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 8996#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 8684#[thread1ENTRY, L89-4]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 8686#[L89-4, L41-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 8970#[L89-4, L41-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 8976#[L90-3, L41-4]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 9814#[thread2ENTRY, L41-4, L90-4]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 9808#[L91-3, L41-4, thread2ENTRY]don't care [2022-07-22 12:48:06,700 INFO L750 eck$LassoCheckResult]: Loop: 9808#[L91-3, L41-4, thread2ENTRY]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 9808#[L91-3, L41-4, thread2ENTRY]don't care [2022-07-22 12:48:06,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:06,700 INFO L85 PathProgramCache]: Analyzing trace with hash -338381833, now seen corresponding path program 1 times [2022-07-22 12:48:06,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:06,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376998194] [2022-07-22 12:48:06,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:06,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:06,718 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:06,741 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:06,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:06,741 INFO L85 PathProgramCache]: Analyzing trace with hash 513, now seen corresponding path program 4 times [2022-07-22 12:48:06,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:06,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583795676] [2022-07-22 12:48:06,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:06,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:06,747 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:06,751 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:06,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:06,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1899901749, now seen corresponding path program 2 times [2022-07-22 12:48:06,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:06,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613593426] [2022-07-22 12:48:06,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:06,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:06,789 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:06,828 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:06,851 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:06,851 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:06,851 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:06,851 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:06,852 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:06,852 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:06,852 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:06,852 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:06,852 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration5_Loop [2022-07-22 12:48:06,852 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:06,852 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:06,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:06,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:06,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:06,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:06,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:06,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:06,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:06,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:06,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:06,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:06,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:06,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:06,955 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:06,955 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:06,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:06,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:06,957 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:06,966 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:06,967 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:06,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-07-22 12:48:06,987 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:06,987 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post1=0} Honda state: {thread1Thread1of1ForFork1_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:07,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:07,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:07,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:07,016 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:07,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-07-22 12:48:07,020 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:07,020 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:07,032 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:07,032 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.offset_9=2} Honda state: {v_rep#funAddr~thread3.offset_9=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:07,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:07,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:07,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:07,054 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:07,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-07-22 12:48:07,056 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:07,056 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:07,069 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:07,069 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_9=-1} Honda state: {v_rep#funAddr~thread2.base_9=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:07,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:07,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:07,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:07,091 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:07,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-07-22 12:48:07,092 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:07,092 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:07,105 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:07,105 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_9=-1} Honda state: {v_rep#funAddr~thread3.base_9=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:07,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2022-07-22 12:48:07,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:07,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:07,127 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:07,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-07-22 12:48:07,128 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:07,128 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:07,141 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:07,142 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_9=-1} Honda state: {v_rep#funAddr~thread4.base_9=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:07,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2022-07-22 12:48:07,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:07,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:07,164 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:07,165 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:07,165 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:07,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-07-22 12:48:07,174 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:07,174 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post2=0} Honda state: {thread1Thread1of1ForFork1_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:07,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:07,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:07,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:07,196 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:07,198 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:07,198 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:07,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-07-22 12:48:07,211 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:07,212 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_9=3} Honda state: {v_rep#funAddr~thread4.offset_9=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:07,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:07,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:07,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:07,234 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:07,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-07-22 12:48:07,235 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:07,235 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:07,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:07,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:07,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:07,266 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:07,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-07-22 12:48:07,267 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:07,268 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:07,412 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:07,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:07,415 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:07,415 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:07,415 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:07,415 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:07,415 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:07,415 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:07,415 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:07,415 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:07,415 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration5_Loop [2022-07-22 12:48:07,416 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:07,416 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:07,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,528 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:07,528 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:07,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:07,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:07,534 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:07,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:07,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:07,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:07,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:07,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:07,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:07,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:07,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:07,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-07-22 12:48:07,556 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:07,563 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:07,563 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:07,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:07,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:07,565 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:07,566 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:07,566 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:07,567 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:07,567 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~M~0, thread1Thread1of1ForFork1_~i~0) = 1*~M~0 - 1*thread1Thread1of1ForFork1_~i~0 Supporting invariants [] [2022-07-22 12:48:07,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-07-22 12:48:07,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:07,600 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:07,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:07,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:07,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:07,654 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:07,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:07,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:07,655 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:07,655 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 790 states and 3543 transitions. cyclomatic complexity: 3182 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:07,698 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 790 states and 3543 transitions. cyclomatic complexity: 3182. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 826 states and 3661 transitions. Complement of second has 3 states. [2022-07-22 12:48:07,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:07,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:07,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 12 transitions. [2022-07-22 12:48:07,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 7 letters. Loop has 1 letters. [2022-07-22 12:48:07,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:07,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:07,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:07,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-22 12:48:07,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:07,701 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 826 states and 3661 transitions. [2022-07-22 12:48:07,719 INFO L131 ngComponentsAnalysis]: Automaton has 280 accepting balls. 280 [2022-07-22 12:48:07,778 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 826 states to 826 states and 3661 transitions. [2022-07-22 12:48:07,782 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 619 [2022-07-22 12:48:07,786 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 641 [2022-07-22 12:48:07,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 826 states and 3661 transitions. [2022-07-22 12:48:07,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:07,793 INFO L220 hiAutomatonCegarLoop]: Abstraction has 826 states and 3661 transitions. [2022-07-22 12:48:07,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states and 3661 transitions. [2022-07-22 12:48:07,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 794. [2022-07-22 12:48:07,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 794 states have (on average 4.478589420654912) internal successors, (3556), 793 states have internal predecessors, (3556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 3556 transitions. [2022-07-22 12:48:07,842 INFO L242 hiAutomatonCegarLoop]: Abstraction has 794 states and 3556 transitions. [2022-07-22 12:48:07,842 INFO L425 stractBuchiCegarLoop]: Abstraction has 794 states and 3556 transitions. [2022-07-22 12:48:07,842 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-22 12:48:07,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 794 states and 3556 transitions. [2022-07-22 12:48:07,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:07,872 INFO L131 ngComponentsAnalysis]: Automaton has 280 accepting balls. 280 [2022-07-22 12:48:07,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:07,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:07,872 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:07,872 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:07,873 INFO L748 eck$LassoCheckResult]: Stem: 12248#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 11428#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 11126#[thread1ENTRY, L89-4]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 11128#[L89-4, L41-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 11404#[L90-3, L41-4]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 10904#[thread2ENTRY, L41-4, L90-4]don't care [350] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 10912#[L51-4, L41-4, L90-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 11218#[L51-4, L41-4, L90-4]don't care [2022-07-22 12:48:07,874 INFO L750 eck$LassoCheckResult]: Loop: 11218#[L51-4, L41-4, L90-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 11218#[L51-4, L41-4, L90-4]don't care [2022-07-22 12:48:07,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:07,874 INFO L85 PathProgramCache]: Analyzing trace with hash -338355228, now seen corresponding path program 1 times [2022-07-22 12:48:07,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:07,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774649060] [2022-07-22 12:48:07,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:07,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:07,896 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:07,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:07,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:07,907 INFO L85 PathProgramCache]: Analyzing trace with hash 513, now seen corresponding path program 5 times [2022-07-22 12:48:07,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:07,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913007841] [2022-07-22 12:48:07,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:07,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:07,911 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:07,914 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:07,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:07,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1899076994, now seen corresponding path program 2 times [2022-07-22 12:48:07,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:07,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937562291] [2022-07-22 12:48:07,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:07,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:07,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:07,928 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:07,939 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:07,954 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:07,954 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:07,954 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:07,954 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:07,954 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:07,954 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:07,955 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:07,955 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:07,955 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration6_Loop [2022-07-22 12:48:07,955 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:07,955 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:07,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:07,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,061 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:08,062 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:08,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:08,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:08,065 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:08,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-07-22 12:48:08,066 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:08,066 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:08,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:08,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:08,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:08,097 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:08,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-07-22 12:48:08,099 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:08,099 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:08,238 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:08,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2022-07-22 12:48:08,241 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:08,241 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:08,241 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:08,241 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:08,241 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:08,241 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:08,241 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:08,241 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:08,241 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration6_Loop [2022-07-22 12:48:08,241 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:08,241 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:08,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,347 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:08,348 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:08,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:08,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:08,349 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:08,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-07-22 12:48:08,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:08,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:08,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:08,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:08,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:08,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:08,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:08,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:08,365 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:08,368 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:08,368 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:08,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:08,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:08,369 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:08,376 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:08,376 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:08,376 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:08,376 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~M~0, thread1Thread1of1ForFork1_~i~0) = 1*~M~0 - 1*thread1Thread1of1ForFork1_~i~0 Supporting invariants [] [2022-07-22 12:48:08,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-07-22 12:48:08,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:08,409 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:08,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:08,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:08,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:08,457 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:08,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:08,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:08,458 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:08,458 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 794 states and 3556 transitions. cyclomatic complexity: 3191 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:08,550 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 794 states and 3556 transitions. cyclomatic complexity: 3191. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1214 states and 5477 transitions. Complement of second has 3 states. [2022-07-22 12:48:08,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:08,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:08,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 27 transitions. [2022-07-22 12:48:08,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 27 transitions. Stem has 7 letters. Loop has 1 letters. [2022-07-22 12:48:08,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:08,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 27 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:08,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:08,553 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 27 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-22 12:48:08,553 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:08,553 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1214 states and 5477 transitions. [2022-07-22 12:48:08,575 INFO L131 ngComponentsAnalysis]: Automaton has 326 accepting balls. 326 [2022-07-22 12:48:08,595 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1214 states to 1211 states and 5465 transitions. [2022-07-22 12:48:08,595 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 776 [2022-07-22 12:48:08,599 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 925 [2022-07-22 12:48:08,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1211 states and 5465 transitions. [2022-07-22 12:48:08,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:08,604 INFO L220 hiAutomatonCegarLoop]: Abstraction has 1211 states and 5465 transitions. [2022-07-22 12:48:08,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states and 5465 transitions. [2022-07-22 12:48:08,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 920. [2022-07-22 12:48:08,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 920 states have (on average 4.554347826086956) internal successors, (4190), 919 states have internal predecessors, (4190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:08,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 4190 transitions. [2022-07-22 12:48:08,645 INFO L242 hiAutomatonCegarLoop]: Abstraction has 920 states and 4190 transitions. [2022-07-22 12:48:08,645 INFO L425 stractBuchiCegarLoop]: Abstraction has 920 states and 4190 transitions. [2022-07-22 12:48:08,645 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-22 12:48:08,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 920 states and 4190 transitions. [2022-07-22 12:48:08,657 INFO L131 ngComponentsAnalysis]: Automaton has 292 accepting balls. 292 [2022-07-22 12:48:08,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:08,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:08,657 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:08,658 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:08,658 INFO L748 eck$LassoCheckResult]: Stem: 15012#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 14232#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 13946#[thread1ENTRY, L89-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 13950#[thread1ENTRY, L90-3]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 14318#[thread2ENTRY, thread1ENTRY, L90-4]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 14330#[L91-3, thread1ENTRY, thread2ENTRY]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 14334#[thread2ENTRY, thread1ENTRY, L91-4, thread3ENTRY]don't care [360] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 14754#[L62-4, thread2ENTRY, thread1ENTRY, L91-4]don't care [2022-07-22 12:48:08,658 INFO L750 eck$LassoCheckResult]: Loop: 14754#[L62-4, thread2ENTRY, thread1ENTRY, L91-4]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 14754#[L62-4, thread2ENTRY, thread1ENTRY, L91-4]don't care [2022-07-22 12:48:08,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:08,659 INFO L85 PathProgramCache]: Analyzing trace with hash -206269713, now seen corresponding path program 1 times [2022-07-22 12:48:08,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:08,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849299951] [2022-07-22 12:48:08,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:08,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:08,676 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:08,689 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:08,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:08,690 INFO L85 PathProgramCache]: Analyzing trace with hash 516, now seen corresponding path program 1 times [2022-07-22 12:48:08,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:08,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565121658] [2022-07-22 12:48:08,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:08,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:08,694 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:08,696 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:08,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:08,697 INFO L85 PathProgramCache]: Analyzing trace with hash -2099393322, now seen corresponding path program 1 times [2022-07-22 12:48:08,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:08,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177767571] [2022-07-22 12:48:08,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:08,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:08,713 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:08,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:08,739 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:08,740 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:08,740 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:08,740 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:08,740 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:08,740 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:08,740 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:08,740 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:08,741 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration7_Loop [2022-07-22 12:48:08,741 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:08,741 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:08,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:08,833 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:08,833 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:08,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:08,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:08,835 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:08,839 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:08,840 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:08,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-07-22 12:48:08,857 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:08,857 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork0_#t~post5=0} Honda state: {thread3Thread1of1ForFork0_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:08,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2022-07-22 12:48:08,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:08,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:08,885 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:08,893 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:08,893 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:08,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-07-22 12:48:08,913 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:08,913 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_13=0} Honda state: {v_rep#funAddr~thread1.offset_13=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:08,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:08,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:08,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:08,947 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:08,948 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:08,948 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:08,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-07-22 12:48:08,964 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:08,964 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_13=-1} Honda state: {v_rep#funAddr~thread1.base_13=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:08,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:08,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:08,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:08,987 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:08,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-07-22 12:48:08,988 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:08,988 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:09,000 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:09,001 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_13=-1} Honda state: {v_rep#funAddr~thread4.base_13=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:09,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2022-07-22 12:48:09,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:09,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:09,023 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:09,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-07-22 12:48:09,027 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:09,027 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:09,050 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:09,050 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_13=-1} Honda state: {v_rep#funAddr~thread2.base_13=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:09,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:09,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:09,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:09,084 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:09,088 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:09,088 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:09,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-07-22 12:48:09,106 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:09,106 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork0_#t~post6=0} Honda state: {thread3Thread1of1ForFork0_#t~post6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:09,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2022-07-22 12:48:09,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:09,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:09,129 INFO L229 MonitoredProcess]: Starting monitored process 88 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:09,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-07-22 12:48:09,155 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:09,155 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:09,204 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:09,204 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_13=-1} Honda state: {v_rep#funAddr~thread3.base_13=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:09,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:09,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2022-07-22 12:48:09,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:09,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:09,228 INFO L229 MonitoredProcess]: Starting monitored process 89 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:09,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-07-22 12:48:09,229 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:09,229 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:09,248 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:09,249 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_13=1} Honda state: {v_rep#funAddr~thread2.offset_13=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:09,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2022-07-22 12:48:09,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:09,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:09,271 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:09,272 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:09,272 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:09,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-07-22 12:48:09,285 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:09,285 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.offset_13=2} Honda state: {v_rep#funAddr~thread3.offset_13=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:09,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2022-07-22 12:48:09,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:09,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:09,307 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:09,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-07-22 12:48:09,308 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:09,308 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:09,320 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:09,320 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_13=3} Honda state: {v_rep#funAddr~thread4.offset_13=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:09,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2022-07-22 12:48:09,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:09,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:09,342 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:09,344 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:09,344 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:09,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-07-22 12:48:09,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2022-07-22 12:48:09,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:09,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:09,375 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:09,378 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:09,378 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:09,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-07-22 12:48:09,540 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:09,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2022-07-22 12:48:09,543 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:09,543 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:09,543 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:09,543 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:09,543 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:09,543 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:09,543 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:09,543 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:09,543 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration7_Loop [2022-07-22 12:48:09,543 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:09,544 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:09,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:09,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:09,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:09,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:09,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:09,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:09,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:09,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:09,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:09,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:09,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:09,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:09,638 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:09,638 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:09,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:09,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:09,640 INFO L229 MonitoredProcess]: Starting monitored process 94 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:09,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:09,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:09,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:09,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:09,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:09,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:09,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:09,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:09,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-07-22 12:48:09,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:09,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:09,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:09,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:09,705 INFO L229 MonitoredProcess]: Starting monitored process 95 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:09,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:09,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:09,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:09,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:09,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:09,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:09,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:09,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2022-07-22 12:48:09,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:09,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:09,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:09,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:09,766 INFO L229 MonitoredProcess]: Starting monitored process 96 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:09,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:09,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:09,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:09,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:09,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:09,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:09,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:09,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2022-07-22 12:48:09,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:09,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:09,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:09,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:09,818 INFO L229 MonitoredProcess]: Starting monitored process 97 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:09,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2022-07-22 12:48:09,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:09,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:09,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:09,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:09,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:09,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:09,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:09,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:09,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2022-07-22 12:48:09,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:09,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:09,854 INFO L229 MonitoredProcess]: Starting monitored process 98 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:09,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2022-07-22 12:48:09,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:09,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:09,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:09,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:09,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:09,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:09,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:09,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:09,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2022-07-22 12:48:09,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:09,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:09,897 INFO L229 MonitoredProcess]: Starting monitored process 99 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:09,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2022-07-22 12:48:09,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:09,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:09,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:09,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:09,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:09,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:09,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:09,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:09,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2022-07-22 12:48:09,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:09,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:09,931 INFO L229 MonitoredProcess]: Starting monitored process 100 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:09,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2022-07-22 12:48:09,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:09,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:09,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:09,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:09,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:09,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:09,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:09,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:09,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2022-07-22 12:48:09,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:09,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:09,967 INFO L229 MonitoredProcess]: Starting monitored process 101 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:09,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2022-07-22 12:48:09,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:09,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:09,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:09,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:09,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:09,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:09,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:09,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:10,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2022-07-22 12:48:10,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,013 INFO L229 MonitoredProcess]: Starting monitored process 102 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:10,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2022-07-22 12:48:10,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:10,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:10,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:10,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:10,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:10,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:10,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:10,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:10,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:10,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2022-07-22 12:48:10,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,044 INFO L229 MonitoredProcess]: Starting monitored process 103 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:10,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2022-07-22 12:48:10,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:10,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:10,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:10,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:10,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:10,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:10,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:10,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:10,055 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:10,058 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:10,058 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:10,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,059 INFO L229 MonitoredProcess]: Starting monitored process 104 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:10,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2022-07-22 12:48:10,061 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:10,061 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:10,061 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:10,061 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~M~0, thread3Thread1of1ForFork0_~i~2) = 1*~M~0 - 1*thread3Thread1of1ForFork0_~i~2 Supporting invariants [] [2022-07-22 12:48:10,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2022-07-22 12:48:10,085 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:10,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:10,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:10,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:10,131 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:10,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:10,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:10,133 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:10,133 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 920 states and 4190 transitions. cyclomatic complexity: 3737 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:10,220 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 920 states and 4190 transitions. cyclomatic complexity: 3737. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1566 states and 7304 transitions. Complement of second has 3 states. [2022-07-22 12:48:10,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:10,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:10,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 24 transitions. [2022-07-22 12:48:10,225 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 24 transitions. Stem has 7 letters. Loop has 1 letters. [2022-07-22 12:48:10,225 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:10,225 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 24 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:10,225 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:10,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-22 12:48:10,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:10,226 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1566 states and 7304 transitions. [2022-07-22 12:48:10,254 INFO L131 ngComponentsAnalysis]: Automaton has 291 accepting balls. 291 [2022-07-22 12:48:10,280 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1566 states to 1563 states and 7299 transitions. [2022-07-22 12:48:10,280 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 856 [2022-07-22 12:48:10,285 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1132 [2022-07-22 12:48:10,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1563 states and 7299 transitions. [2022-07-22 12:48:10,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:10,291 INFO L220 hiAutomatonCegarLoop]: Abstraction has 1563 states and 7299 transitions. [2022-07-22 12:48:10,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1563 states and 7299 transitions. [2022-07-22 12:48:10,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1563 to 1234. [2022-07-22 12:48:10,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1234 states, 1234 states have (on average 4.7058346839546195) internal successors, (5807), 1233 states have internal predecessors, (5807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:10,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 5807 transitions. [2022-07-22 12:48:10,345 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1234 states and 5807 transitions. [2022-07-22 12:48:10,345 INFO L425 stractBuchiCegarLoop]: Abstraction has 1234 states and 5807 transitions. [2022-07-22 12:48:10,345 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-07-22 12:48:10,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1234 states and 5807 transitions. [2022-07-22 12:48:10,360 INFO L131 ngComponentsAnalysis]: Automaton has 291 accepting balls. 291 [2022-07-22 12:48:10,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:10,360 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:10,360 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:10,361 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:10,361 INFO L748 eck$LassoCheckResult]: Stem: 18894#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 17742#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 17402#[thread1ENTRY, L89-4]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 17404#[L89-4, L41-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 17710#[L89-4, L41-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 17716#[L90-3, L41-4]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 18958#[thread2ENTRY, L41-4, L90-4]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 18960#[L91-3, L41-4, thread2ENTRY]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 18966#[thread2ENTRY, L91-4, thread3ENTRY, L41-4]don't care [2022-07-22 12:48:10,362 INFO L750 eck$LassoCheckResult]: Loop: 18966#[thread2ENTRY, L91-4, thread3ENTRY, L41-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 18966#[thread2ENTRY, L91-4, thread3ENTRY, L41-4]don't care [2022-07-22 12:48:10,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:10,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1899901849, now seen corresponding path program 1 times [2022-07-22 12:48:10,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:10,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879898546] [2022-07-22 12:48:10,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:10,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:10,379 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:10,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:10,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:10,402 INFO L85 PathProgramCache]: Analyzing trace with hash 513, now seen corresponding path program 6 times [2022-07-22 12:48:10,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:10,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237613337] [2022-07-22 12:48:10,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:10,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:10,411 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:10,417 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:10,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:10,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1232585307, now seen corresponding path program 2 times [2022-07-22 12:48:10,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:10,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400570271] [2022-07-22 12:48:10,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:10,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:10,441 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:10,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:10,483 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:10,483 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:10,483 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:10,483 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:10,483 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:10,483 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,483 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:10,483 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:10,484 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration8_Loop [2022-07-22 12:48:10,484 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:10,484 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:10,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:10,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:10,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:10,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:10,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:10,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:10,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:10,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:10,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:10,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:10,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:10,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:10,578 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:10,578 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:10,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,580 INFO L229 MonitoredProcess]: Starting monitored process 105 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:10,584 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:10,584 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:10,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2022-07-22 12:48:10,603 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:10,603 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_15=3} Honda state: {v_rep#funAddr~thread4.offset_15=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:10,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:10,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,626 INFO L229 MonitoredProcess]: Starting monitored process 106 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:10,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2022-07-22 12:48:10,627 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:10,627 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:10,640 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:10,640 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_15=-1} Honda state: {v_rep#funAddr~thread1.base_15=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:10,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2022-07-22 12:48:10,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,662 INFO L229 MonitoredProcess]: Starting monitored process 107 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:10,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2022-07-22 12:48:10,663 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:10,663 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:10,675 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:10,676 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_15=-1} Honda state: {v_rep#funAddr~thread4.base_15=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:10,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2022-07-22 12:48:10,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,698 INFO L229 MonitoredProcess]: Starting monitored process 108 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:10,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2022-07-22 12:48:10,699 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:10,699 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:10,712 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:10,712 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_15=-1} Honda state: {v_rep#funAddr~thread3.base_15=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:10,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:10,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,735 INFO L229 MonitoredProcess]: Starting monitored process 109 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:10,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2022-07-22 12:48:10,736 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:10,736 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:10,749 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:10,749 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_15=0} Honda state: {v_rep#funAddr~thread1.offset_15=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:10,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:10,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,773 INFO L229 MonitoredProcess]: Starting monitored process 110 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:10,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2022-07-22 12:48:10,774 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:10,774 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:10,791 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:10,791 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_15=-1} Honda state: {v_rep#funAddr~thread2.base_15=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:10,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:10,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,824 INFO L229 MonitoredProcess]: Starting monitored process 111 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:10,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:10,832 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:10,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2022-07-22 12:48:10,851 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:10,851 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_15=1} Honda state: {v_rep#funAddr~thread2.offset_15=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:10,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:10,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,873 INFO L229 MonitoredProcess]: Starting monitored process 112 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:10,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2022-07-22 12:48:10,874 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:10,874 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:10,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:10,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,905 INFO L229 MonitoredProcess]: Starting monitored process 113 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:10,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2022-07-22 12:48:10,906 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:10,906 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:11,047 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:11,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2022-07-22 12:48:11,049 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:11,049 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:11,049 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:11,049 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:11,049 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:11,049 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,049 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:11,049 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:11,050 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration8_Loop [2022-07-22 12:48:11,050 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:11,050 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:11,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,183 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:11,183 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:11,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:11,189 INFO L229 MonitoredProcess]: Starting monitored process 114 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:11,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:11,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:11,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2022-07-22 12:48:11,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:11,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:11,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:11,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:11,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:11,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:11,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:11,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2022-07-22 12:48:11,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:11,234 INFO L229 MonitoredProcess]: Starting monitored process 115 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:11,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2022-07-22 12:48:11,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:11,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:11,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:11,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:11,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:11,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:11,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:11,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:11,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:11,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:11,270 INFO L229 MonitoredProcess]: Starting monitored process 116 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:11,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:11,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2022-07-22 12:48:11,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:11,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:11,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:11,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:11,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:11,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:11,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:11,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2022-07-22 12:48:11,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:11,329 INFO L229 MonitoredProcess]: Starting monitored process 117 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:11,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2022-07-22 12:48:11,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:11,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:11,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:11,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:11,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:11,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:11,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:11,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:11,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:11,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:11,364 INFO L229 MonitoredProcess]: Starting monitored process 118 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:11,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2022-07-22 12:48:11,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:11,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:11,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:11,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:11,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:11,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:11,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:11,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:11,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2022-07-22 12:48:11,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:11,399 INFO L229 MonitoredProcess]: Starting monitored process 119 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:11,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2022-07-22 12:48:11,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:11,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:11,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:11,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:11,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:11,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:11,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:11,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:11,432 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2022-07-22 12:48:11,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:11,433 INFO L229 MonitoredProcess]: Starting monitored process 120 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:11,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2022-07-22 12:48:11,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:11,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:11,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:11,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:11,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:11,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:11,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:11,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:11,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2022-07-22 12:48:11,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:11,468 INFO L229 MonitoredProcess]: Starting monitored process 121 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:11,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2022-07-22 12:48:11,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:11,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:11,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:11,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:11,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:11,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:11,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:11,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:11,479 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:11,482 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:11,482 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:11,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:11,483 INFO L229 MonitoredProcess]: Starting monitored process 122 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:11,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2022-07-22 12:48:11,484 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:11,484 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:11,484 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:11,485 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork1_~i~0, ~M~0) = -1*thread1Thread1of1ForFork1_~i~0 + 1*~M~0 Supporting invariants [] [2022-07-22 12:48:11,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:11,506 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:11,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:11,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:11,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:11,560 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:11,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:11,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:11,561 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:11,562 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1234 states and 5807 transitions. cyclomatic complexity: 5186 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:11,622 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1234 states and 5807 transitions. cyclomatic complexity: 5186. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1291 states and 6051 transitions. Complement of second has 3 states. [2022-07-22 12:48:11,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:11,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:11,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 13 transitions. [2022-07-22 12:48:11,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:11,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:11,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:48:11,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:11,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 12:48:11,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:11,625 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1291 states and 6051 transitions. [2022-07-22 12:48:11,647 INFO L131 ngComponentsAnalysis]: Automaton has 290 accepting balls. 290 [2022-07-22 12:48:11,669 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1291 states to 1291 states and 6051 transitions. [2022-07-22 12:48:11,669 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 861 [2022-07-22 12:48:11,673 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 885 [2022-07-22 12:48:11,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1291 states and 6051 transitions. [2022-07-22 12:48:11,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:11,678 INFO L220 hiAutomatonCegarLoop]: Abstraction has 1291 states and 6051 transitions. [2022-07-22 12:48:11,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states and 6051 transitions. [2022-07-22 12:48:11,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1244. [2022-07-22 12:48:11,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 1244 states have (on average 4.696945337620579) internal successors, (5843), 1243 states have internal predecessors, (5843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:11,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 5843 transitions. [2022-07-22 12:48:11,729 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1244 states and 5843 transitions. [2022-07-22 12:48:11,729 INFO L425 stractBuchiCegarLoop]: Abstraction has 1244 states and 5843 transitions. [2022-07-22 12:48:11,729 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-07-22 12:48:11,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1244 states and 5843 transitions. [2022-07-22 12:48:11,745 INFO L131 ngComponentsAnalysis]: Automaton has 290 accepting balls. 290 [2022-07-22 12:48:11,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:11,745 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:11,746 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:11,746 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:11,747 INFO L748 eck$LassoCheckResult]: Stem: 22714#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 21552#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 21212#[thread1ENTRY, L89-4]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 21214#[L89-4, L41-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 21522#[L89-4, L41-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 21528#[L90-3, L41-4]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 22790#[thread2ENTRY, L41-4, L90-4]don't care [350] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 21314#[L51-4, L41-4, L90-4]don't care [450] L41-4-->thread1EXIT: Formula: (and (not (< v_thread1Thread1of1ForFork1_~i~0_19 v_~M~0_19)) (= |v_thread1Thread1of1ForFork1_#res.base_9| 0) (= |v_thread1Thread1of1ForFork1_#res.offset_9| 0)) InVars {~M~0=v_~M~0_19, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_19} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_9|, ~M~0=v_~M~0_19, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_19, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_9|} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#res.offset] 21316#[thread1EXIT, L51-4, L90-4]don't care [2022-07-22 12:48:11,747 INFO L750 eck$LassoCheckResult]: Loop: 21316#[thread1EXIT, L51-4, L90-4]don't care [476] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_~i~1#1_27| (+ |v_thread2Thread1of1ForFork3_~i~1#1_28| 1)) (< |v_thread2Thread1of1ForFork3_~i~1#1_28| v_~N~0_27) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|) (= (+ v_~counter1~0_60 1) v_~counter1~0_61) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| 0)) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9| (ite (< 0 v_~counter1~0_61) 1 0))) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_28|, ~counter1~0=v_~counter1~0_61, ~N~0=v_~N~0_27} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_9|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_13|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_27|, ~counter1~0=v_~counter1~0_60, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 21316#[thread1EXIT, L51-4, L90-4]don't care [2022-07-22 12:48:11,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:11,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1899905656, now seen corresponding path program 1 times [2022-07-22 12:48:11,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:11,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5242093] [2022-07-22 12:48:11,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:11,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:11,761 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:11,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:11,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:11,771 INFO L85 PathProgramCache]: Analyzing trace with hash 507, now seen corresponding path program 2 times [2022-07-22 12:48:11,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:11,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923844865] [2022-07-22 12:48:11,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:11,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:11,777 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:11,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:11,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:11,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1232467284, now seen corresponding path program 1 times [2022-07-22 12:48:11,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:11,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265775812] [2022-07-22 12:48:11,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:11,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:11,793 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:11,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:11,854 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:11,854 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:11,854 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:11,854 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:11,854 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:11,854 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,855 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:11,855 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:11,855 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration9_Loop [2022-07-22 12:48:11,855 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:11,855 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:11,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,980 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:11,980 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:11,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:11,981 INFO L229 MonitoredProcess]: Starting monitored process 123 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:11,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2022-07-22 12:48:11,987 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:11,987 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:11,994 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:11,994 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_#t~post3#1=0} Honda state: {thread2Thread1of1ForFork3_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:12,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2022-07-22 12:48:12,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,017 INFO L229 MonitoredProcess]: Starting monitored process 124 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:12,018 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:12,018 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:12,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2022-07-22 12:48:12,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:12,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,048 INFO L229 MonitoredProcess]: Starting monitored process 125 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:12,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2022-07-22 12:48:12,049 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:12,049 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:12,088 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:12,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2022-07-22 12:48:12,091 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:12,091 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:12,091 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:12,091 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:12,091 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:12,091 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,091 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:12,091 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:12,091 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration9_Loop [2022-07-22 12:48:12,091 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:12,091 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:12,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,216 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:12,216 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:12,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,225 INFO L229 MonitoredProcess]: Starting monitored process 126 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:12,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:12,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:12,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:12,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:12,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:12,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:12,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:12,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:12,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2022-07-22 12:48:12,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:12,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:12,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,294 INFO L229 MonitoredProcess]: Starting monitored process 127 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:12,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:12,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:12,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:12,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:12,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:12,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:12,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:12,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:12,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2022-07-22 12:48:12,319 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:12,325 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:12,325 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:12,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,327 INFO L229 MonitoredProcess]: Starting monitored process 128 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:12,332 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:12,333 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:12,333 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:12,333 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter1~0) = 1*~counter1~0 Supporting invariants [] [2022-07-22 12:48:12,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2022-07-22 12:48:12,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2022-07-22 12:48:12,369 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:12,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:12,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:12,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:12,415 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:48:12,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:12,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:12,417 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:12,417 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1244 states and 5843 transitions. cyclomatic complexity: 5213 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:12,499 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1244 states and 5843 transitions. cyclomatic complexity: 5213. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1621 states and 7300 transitions. Complement of second has 3 states. [2022-07-22 12:48:12,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:12,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:12,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 22 transitions. [2022-07-22 12:48:12,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:12,501 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:12,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:48:12,501 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:12,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 12:48:12,501 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:12,501 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1621 states and 7300 transitions. [2022-07-22 12:48:12,613 INFO L131 ngComponentsAnalysis]: Automaton has 289 accepting balls. 289 [2022-07-22 12:48:12,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:12,654 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1621 states to 1621 states and 7300 transitions. [2022-07-22 12:48:12,655 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 978 [2022-07-22 12:48:12,659 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1141 [2022-07-22 12:48:12,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1621 states and 7300 transitions. [2022-07-22 12:48:12,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:12,666 INFO L220 hiAutomatonCegarLoop]: Abstraction has 1621 states and 7300 transitions. [2022-07-22 12:48:12,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1621 states and 7300 transitions. [2022-07-22 12:48:12,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:12,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1621 to 1309. [2022-07-22 12:48:12,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1309 states, 1309 states have (on average 4.64935064935065) internal successors, (6086), 1308 states have internal predecessors, (6086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:12,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 6086 transitions. [2022-07-22 12:48:12,729 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1309 states and 6086 transitions. [2022-07-22 12:48:12,729 INFO L425 stractBuchiCegarLoop]: Abstraction has 1309 states and 6086 transitions. [2022-07-22 12:48:12,729 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-07-22 12:48:12,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1309 states and 6086 transitions. [2022-07-22 12:48:12,747 INFO L131 ngComponentsAnalysis]: Automaton has 289 accepting balls. 289 [2022-07-22 12:48:12,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:12,748 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:12,748 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:12,748 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:12,749 INFO L748 eck$LassoCheckResult]: Stem: 26888#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 25714#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 25368#[thread1ENTRY, L89-4]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 25370#[L89-4, L41-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 25680#[L89-4, L41-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 25686#[L90-3, L41-4]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 27088#[thread2ENTRY, L41-4, L90-4]don't care [350] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 27086#[L51-4, L41-4, L90-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 25468#[L51-4, L41-4, L90-4]don't care [2022-07-22 12:48:12,750 INFO L750 eck$LassoCheckResult]: Loop: 25468#[L51-4, L41-4, L90-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 25468#[L51-4, L41-4, L90-4]don't care [2022-07-22 12:48:12,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:12,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1899905624, now seen corresponding path program 3 times [2022-07-22 12:48:12,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:12,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470728078] [2022-07-22 12:48:12,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:12,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:12,769 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:12,784 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:12,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:12,785 INFO L85 PathProgramCache]: Analyzing trace with hash 513, now seen corresponding path program 7 times [2022-07-22 12:48:12,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:12,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012707010] [2022-07-22 12:48:12,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:12,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:12,789 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:12,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:12,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:12,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1232468282, now seen corresponding path program 4 times [2022-07-22 12:48:12,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:12,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729053902] [2022-07-22 12:48:12,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:12,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:12,808 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:12,819 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:12,833 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:12,833 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:12,833 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:12,833 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:12,833 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:12,833 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,833 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:12,834 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:12,834 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration10_Loop [2022-07-22 12:48:12,834 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:12,834 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:12,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,916 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:12,916 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:12,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,917 INFO L229 MonitoredProcess]: Starting monitored process 129 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:12,925 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:12,925 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:12,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2022-07-22 12:48:12,942 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:12,942 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_19=3} Honda state: {v_rep#funAddr~thread4.offset_19=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:12,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:12,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,976 INFO L229 MonitoredProcess]: Starting monitored process 130 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:12,978 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:12,978 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:12,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2022-07-22 12:48:13,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:13,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,026 INFO L229 MonitoredProcess]: Starting monitored process 131 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2022-07-22 12:48:13,027 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:13,027 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:13,049 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:13,049 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter1~0=0} Honda state: {~counter1~0=0} Generalized eigenvectors: [{~counter1~0=1}, {~counter1~0=3}, {~counter1~0=-3}] Lambdas: [1, 1, 1] Nus: [0, 0] [2022-07-22 12:48:13,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2022-07-22 12:48:13,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,073 INFO L229 MonitoredProcess]: Starting monitored process 132 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2022-07-22 12:48:13,073 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:13,074 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:13,081 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:13,081 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post2=0} Honda state: {thread1Thread1of1ForFork1_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:13,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:13,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,104 INFO L229 MonitoredProcess]: Starting monitored process 133 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2022-07-22 12:48:13,105 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:13,105 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:13,113 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:13,113 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post1=0} Honda state: {thread1Thread1of1ForFork1_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:13,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:13,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,135 INFO L229 MonitoredProcess]: Starting monitored process 134 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2022-07-22 12:48:13,137 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:13,137 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:13,149 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:13,149 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_19=-1} Honda state: {v_rep#funAddr~thread3.base_19=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:13,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:13,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,171 INFO L229 MonitoredProcess]: Starting monitored process 135 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2022-07-22 12:48:13,172 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:13,172 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:13,184 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:13,184 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.offset_19=2} Honda state: {v_rep#funAddr~thread3.offset_19=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:13,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:13,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,206 INFO L229 MonitoredProcess]: Starting monitored process 136 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2022-07-22 12:48:13,207 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:13,207 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:13,219 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:13,219 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_19=1} Honda state: {v_rep#funAddr~thread2.offset_19=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:13,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:13,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,242 INFO L229 MonitoredProcess]: Starting monitored process 137 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,244 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:13,244 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:13,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2022-07-22 12:48:13,256 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:13,257 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_19=-1} Honda state: {v_rep#funAddr~thread4.base_19=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:13,277 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2022-07-22 12:48:13,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,278 INFO L229 MonitoredProcess]: Starting monitored process 138 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2022-07-22 12:48:13,279 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:13,280 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:13,292 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:13,292 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_19=0} Honda state: {v_rep#funAddr~thread1.offset_19=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:13,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2022-07-22 12:48:13,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,314 INFO L229 MonitoredProcess]: Starting monitored process 139 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,317 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:13,317 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:13,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2022-07-22 12:48:13,336 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:13,336 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_19=-1} Honda state: {v_rep#funAddr~thread2.base_19=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:13,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2022-07-22 12:48:13,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,359 INFO L229 MonitoredProcess]: Starting monitored process 140 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2022-07-22 12:48:13,360 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:13,360 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:13,373 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:13,373 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_19=-1} Honda state: {v_rep#funAddr~thread1.base_19=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:13,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:13,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,399 INFO L229 MonitoredProcess]: Starting monitored process 141 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2022-07-22 12:48:13,400 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:13,400 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:13,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:13,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,430 INFO L229 MonitoredProcess]: Starting monitored process 142 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2022-07-22 12:48:13,431 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:13,431 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:13,573 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:13,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2022-07-22 12:48:13,575 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:13,575 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:13,575 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:13,575 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:13,575 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:13,575 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,576 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:13,576 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:13,576 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration10_Loop [2022-07-22 12:48:13,576 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:13,576 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:13,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,673 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:13,673 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:13,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,675 INFO L229 MonitoredProcess]: Starting monitored process 143 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2022-07-22 12:48:13,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:13,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:13,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:13,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:13,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:13,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:13,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:13,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:13,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:13,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:13,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,708 INFO L229 MonitoredProcess]: Starting monitored process 144 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2022-07-22 12:48:13,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:13,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:13,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:13,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:13,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:13,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:13,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:13,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:13,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:13,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2022-07-22 12:48:13,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,740 INFO L229 MonitoredProcess]: Starting monitored process 145 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2022-07-22 12:48:13,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:13,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:13,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:13,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:13,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:13,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:13,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:13,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:13,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:13,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,774 INFO L229 MonitoredProcess]: Starting monitored process 146 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2022-07-22 12:48:13,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:13,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:13,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:13,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:13,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:13,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:13,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:13,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:13,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:13,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:13,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,807 INFO L229 MonitoredProcess]: Starting monitored process 147 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2022-07-22 12:48:13,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:13,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:13,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:13,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:13,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:13,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:13,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:13,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:13,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:13,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,842 INFO L229 MonitoredProcess]: Starting monitored process 148 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2022-07-22 12:48:13,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:13,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:13,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:13,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:13,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:13,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:13,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:13,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:13,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2022-07-22 12:48:13,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,878 INFO L229 MonitoredProcess]: Starting monitored process 149 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2022-07-22 12:48:13,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:13,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:13,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:13,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:13,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:13,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:13,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:13,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:13,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:13,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,914 INFO L229 MonitoredProcess]: Starting monitored process 150 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2022-07-22 12:48:13,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:13,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:13,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:13,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:13,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:13,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:13,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:13,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:13,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:13,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,951 INFO L229 MonitoredProcess]: Starting monitored process 151 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2022-07-22 12:48:13,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:13,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:13,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:13,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:13,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:13,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:13,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:13,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:13,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2022-07-22 12:48:13,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,985 INFO L229 MonitoredProcess]: Starting monitored process 152 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:13,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2022-07-22 12:48:13,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:13,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:13,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:13,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:13,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:13,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:13,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:13,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:14,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2022-07-22 12:48:14,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:14,020 INFO L229 MonitoredProcess]: Starting monitored process 153 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:14,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2022-07-22 12:48:14,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:14,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:14,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:14,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:14,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:14,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:14,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:14,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:14,030 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:14,033 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:14,033 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:14,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:14,035 INFO L229 MonitoredProcess]: Starting monitored process 154 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:14,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2022-07-22 12:48:14,036 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:14,036 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:14,036 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:14,036 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~M~0, thread1Thread1of1ForFork1_~i~0) = 1*~M~0 - 1*thread1Thread1of1ForFork1_~i~0 Supporting invariants [] [2022-07-22 12:48:14,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:14,058 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:14,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:14,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:14,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:14,114 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:14,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:14,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:14,115 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:14,115 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1309 states and 6086 transitions. cyclomatic complexity: 5399 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:14,211 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1309 states and 6086 transitions. cyclomatic complexity: 5399. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1680 states and 7728 transitions. Complement of second has 3 states. [2022-07-22 12:48:14,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:14,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:14,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 27 transitions. [2022-07-22 12:48:14,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 27 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:14,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:14,213 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:48:14,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:14,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:14,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:14,254 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:14,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:14,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:14,255 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:14,255 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1309 states and 6086 transitions. cyclomatic complexity: 5399 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:14,332 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1309 states and 6086 transitions. cyclomatic complexity: 5399. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1680 states and 7728 transitions. Complement of second has 3 states. [2022-07-22 12:48:14,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:14,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:14,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 27 transitions. [2022-07-22 12:48:14,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 27 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:14,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:14,333 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:48:14,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:14,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:14,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:14,373 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:14,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:14,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:14,374 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:14,374 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1309 states and 6086 transitions. cyclomatic complexity: 5399 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:14,502 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1309 states and 6086 transitions. cyclomatic complexity: 5399. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1740 states and 8325 transitions. Complement of second has 2 states. [2022-07-22 12:48:14,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:14,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:14,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 29 transitions. [2022-07-22 12:48:14,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:14,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:14,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:48:14,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:14,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 12:48:14,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:14,507 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1740 states and 8325 transitions. [2022-07-22 12:48:14,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:14,565 INFO L131 ngComponentsAnalysis]: Automaton has 264 accepting balls. 414 [2022-07-22 12:48:14,595 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1740 states to 1726 states and 8232 transitions. [2022-07-22 12:48:14,595 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 981 [2022-07-22 12:48:14,600 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1068 [2022-07-22 12:48:14,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1726 states and 8232 transitions. [2022-07-22 12:48:14,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:14,605 INFO L220 hiAutomatonCegarLoop]: Abstraction has 1726 states and 8232 transitions. [2022-07-22 12:48:14,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states and 8232 transitions. [2022-07-22 12:48:14,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1341. [2022-07-22 12:48:14,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1341 states, 1341 states have (on average 4.647278150633856) internal successors, (6232), 1340 states have internal predecessors, (6232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:14,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 6232 transitions. [2022-07-22 12:48:14,659 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1341 states and 6232 transitions. [2022-07-22 12:48:14,659 INFO L425 stractBuchiCegarLoop]: Abstraction has 1341 states and 6232 transitions. [2022-07-22 12:48:14,659 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-07-22 12:48:14,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1341 states and 6232 transitions. [2022-07-22 12:48:14,671 INFO L131 ngComponentsAnalysis]: Automaton has 254 accepting balls. 354 [2022-07-22 12:48:14,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:14,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:14,672 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:14,672 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 12:48:14,673 INFO L748 eck$LassoCheckResult]: Stem: 34814#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 33566#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 33186#[thread1ENTRY, L89-4]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 33188#[L89-4, L41-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 33520#[L90-3, L41-4]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 32972#[thread2ENTRY, L41-4, L90-4]don't care [350] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 32980#[L51-4, L41-4, L90-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 33306#[L51-4, L41-4, L90-4]don't care [2022-07-22 12:48:14,673 INFO L750 eck$LassoCheckResult]: Loop: 33306#[L51-4, L41-4, L90-4]don't care [476] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_~i~1#1_27| (+ |v_thread2Thread1of1ForFork3_~i~1#1_28| 1)) (< |v_thread2Thread1of1ForFork3_~i~1#1_28| v_~N~0_27) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|) (= (+ v_~counter1~0_60 1) v_~counter1~0_61) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| 0)) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9| (ite (< 0 v_~counter1~0_61) 1 0))) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_28|, ~counter1~0=v_~counter1~0_61, ~N~0=v_~N~0_27} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_9|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_13|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_27|, ~counter1~0=v_~counter1~0_60, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 33302#[L51-4, L41-4, L90-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 33306#[L51-4, L41-4, L90-4]don't care [2022-07-22 12:48:14,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:14,673 INFO L85 PathProgramCache]: Analyzing trace with hash -338355228, now seen corresponding path program 5 times [2022-07-22 12:48:14,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:14,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237591415] [2022-07-22 12:48:14,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:14,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:14,684 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:14,693 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:14,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:14,694 INFO L85 PathProgramCache]: Analyzing trace with hash 16199, now seen corresponding path program 1 times [2022-07-22 12:48:14,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:14,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544501223] [2022-07-22 12:48:14,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:14,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:14,699 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:14,703 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:14,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:14,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1258155626, now seen corresponding path program 1 times [2022-07-22 12:48:14,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:14,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962996256] [2022-07-22 12:48:14,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:14,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:14,716 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:14,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:14,788 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:14,788 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:14,788 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:14,789 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:14,789 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:14,789 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,789 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:14,789 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:14,789 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration11_Loop [2022-07-22 12:48:14,789 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:14,789 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:14,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,936 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:14,936 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:14,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:14,940 INFO L229 MonitoredProcess]: Starting monitored process 155 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:14,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2022-07-22 12:48:14,941 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:14,941 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:14,963 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:14,963 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_21=0} Honda state: {v_rep#funAddr~thread1.offset_21=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:14,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:14,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:14,996 INFO L229 MonitoredProcess]: Starting monitored process 156 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:14,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2022-07-22 12:48:14,997 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:14,998 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:15,010 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:15,011 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_21=-1} Honda state: {v_rep#funAddr~thread2.base_21=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:15,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:15,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,033 INFO L229 MonitoredProcess]: Starting monitored process 157 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:15,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2022-07-22 12:48:15,034 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:15,034 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:15,047 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:15,047 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=1} Honda state: {thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:15,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2022-07-22 12:48:15,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,069 INFO L229 MonitoredProcess]: Starting monitored process 158 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:15,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2022-07-22 12:48:15,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:15,072 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:15,085 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:15,085 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_21=-1} Honda state: {v_rep#funAddr~thread1.base_21=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:15,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2022-07-22 12:48:15,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,107 INFO L229 MonitoredProcess]: Starting monitored process 159 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:15,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2022-07-22 12:48:15,111 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:15,111 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:15,124 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:15,124 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter1~0=1} Honda state: {~counter1~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:15,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2022-07-22 12:48:15,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,146 INFO L229 MonitoredProcess]: Starting monitored process 160 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:15,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2022-07-22 12:48:15,147 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:15,147 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:15,160 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:15,160 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_21=-1} Honda state: {v_rep#funAddr~thread3.base_21=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:15,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2022-07-22 12:48:15,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,182 INFO L229 MonitoredProcess]: Starting monitored process 161 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:15,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2022-07-22 12:48:15,183 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:15,183 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:15,196 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:15,196 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.offset_21=2} Honda state: {v_rep#funAddr~thread3.offset_21=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:15,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2022-07-22 12:48:15,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,219 INFO L229 MonitoredProcess]: Starting monitored process 162 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:15,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2022-07-22 12:48:15,220 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:15,220 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:15,227 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:15,227 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post2=0} Honda state: {thread1Thread1of1ForFork1_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:15,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2022-07-22 12:48:15,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,249 INFO L229 MonitoredProcess]: Starting monitored process 163 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:15,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2022-07-22 12:48:15,250 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:15,251 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:15,264 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:15,265 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_21=-1} Honda state: {v_rep#funAddr~thread4.base_21=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:15,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2022-07-22 12:48:15,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,286 INFO L229 MonitoredProcess]: Starting monitored process 164 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:15,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2022-07-22 12:48:15,287 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:15,287 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:15,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:15,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,317 INFO L229 MonitoredProcess]: Starting monitored process 165 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:15,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2022-07-22 12:48:15,318 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:15,318 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:15,457 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:15,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:15,460 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:15,460 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:15,460 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:15,460 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:15,460 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:15,460 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,460 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:15,460 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:15,460 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration11_Loop [2022-07-22 12:48:15,461 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:15,461 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:15,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,609 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:15,610 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:15,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,611 INFO L229 MonitoredProcess]: Starting monitored process 166 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:15,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:15,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2022-07-22 12:48:15,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:15,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:15,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:15,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:15,627 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:15,627 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:15,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:15,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:15,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,653 INFO L229 MonitoredProcess]: Starting monitored process 167 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:15,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2022-07-22 12:48:15,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:15,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:15,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:15,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:15,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:15,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:15,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:15,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:15,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:15,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,717 INFO L229 MonitoredProcess]: Starting monitored process 168 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:15,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2022-07-22 12:48:15,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:15,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:15,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:15,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:15,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:15,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:15,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:15,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:15,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:15,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,751 INFO L229 MonitoredProcess]: Starting monitored process 169 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:15,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2022-07-22 12:48:15,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:15,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:15,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:15,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:15,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:15,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:15,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:15,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:15,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:15,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:15,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,786 INFO L229 MonitoredProcess]: Starting monitored process 170 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:15,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2022-07-22 12:48:15,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:15,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:15,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:15,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:15,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:15,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:15,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:15,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:15,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:15,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:15,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,839 INFO L229 MonitoredProcess]: Starting monitored process 171 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:15,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:15,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:15,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:15,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:15,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:15,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:15,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:15,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2022-07-22 12:48:15,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:15,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:15,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,898 INFO L229 MonitoredProcess]: Starting monitored process 172 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:15,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:15,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:15,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:15,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:15,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:15,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:15,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:15,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2022-07-22 12:48:15,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:15,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Ended with exit code 0 [2022-07-22 12:48:15,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,954 INFO L229 MonitoredProcess]: Starting monitored process 173 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:15,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2022-07-22 12:48:15,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:15,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:15,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:15,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:15,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:15,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:15,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:15,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:15,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:15,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:15,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,984 INFO L229 MonitoredProcess]: Starting monitored process 174 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:15,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2022-07-22 12:48:15,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:15,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:15,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:15,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:15,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:15,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:15,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:15,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:15,995 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:15,998 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:15,998 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:15,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,000 INFO L229 MonitoredProcess]: Starting monitored process 175 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:16,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2022-07-22 12:48:16,001 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:16,001 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:16,001 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:16,001 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork1_~i~0, ~M~0) = -1*thread1Thread1of1ForFork1_~i~0 + 1*~M~0 Supporting invariants [] [2022-07-22 12:48:16,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2022-07-22 12:48:16,023 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:16,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:16,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:16,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:16,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:16,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:16,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:16,092 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:48:16,092 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1341 states and 6232 transitions. cyclomatic complexity: 5469 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:16,207 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1341 states and 6232 transitions. cyclomatic complexity: 5469. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2575 states and 12916 transitions. Complement of second has 4 states. [2022-07-22 12:48:16,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:16,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:16,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 68 transitions. [2022-07-22 12:48:16,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 68 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-22 12:48:16,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:16,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 68 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-22 12:48:16,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:16,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 68 transitions. Stem has 7 letters. Loop has 4 letters. [2022-07-22 12:48:16,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:16,210 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2575 states and 12916 transitions. [2022-07-22 12:48:16,281 INFO L131 ngComponentsAnalysis]: Automaton has 298 accepting balls. 298 [2022-07-22 12:48:16,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Ended with exit code 0 [2022-07-22 12:48:16,318 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2575 states to 2086 states and 10373 transitions. [2022-07-22 12:48:16,319 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1126 [2022-07-22 12:48:16,323 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1218 [2022-07-22 12:48:16,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2086 states and 10373 transitions. [2022-07-22 12:48:16,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:16,324 INFO L220 hiAutomatonCegarLoop]: Abstraction has 2086 states and 10373 transitions. [2022-07-22 12:48:16,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2086 states and 10373 transitions. [2022-07-22 12:48:16,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2086 to 1565. [2022-07-22 12:48:16,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1565 states, 1565 states have (on average 4.993610223642173) internal successors, (7815), 1564 states have internal predecessors, (7815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:16,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 7815 transitions. [2022-07-22 12:48:16,390 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1565 states and 7815 transitions. [2022-07-22 12:48:16,390 INFO L425 stractBuchiCegarLoop]: Abstraction has 1565 states and 7815 transitions. [2022-07-22 12:48:16,391 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-07-22 12:48:16,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1565 states and 7815 transitions. [2022-07-22 12:48:16,406 INFO L131 ngComponentsAnalysis]: Automaton has 264 accepting balls. 264 [2022-07-22 12:48:16,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:16,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:16,407 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:16,407 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:16,408 INFO L748 eck$LassoCheckResult]: Stem: 40034#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 38858#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 38490#[thread1ENTRY, L89-4]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 38492#[L89-4, L41-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 38828#[L89-4, L41-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 38834#[L90-3, L41-4]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 38274#[thread2ENTRY, L41-4, L90-4]don't care [350] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 38280#[L51-4, L41-4, L90-4]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 38600#[L51-4, L91-3, L41-4]don't care [2022-07-22 12:48:16,408 INFO L750 eck$LassoCheckResult]: Loop: 38600#[L51-4, L91-3, L41-4]don't care [476] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_~i~1#1_27| (+ |v_thread2Thread1of1ForFork3_~i~1#1_28| 1)) (< |v_thread2Thread1of1ForFork3_~i~1#1_28| v_~N~0_27) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|) (= (+ v_~counter1~0_60 1) v_~counter1~0_61) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| 0)) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9| (ite (< 0 v_~counter1~0_61) 1 0))) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_28|, ~counter1~0=v_~counter1~0_61, ~N~0=v_~N~0_27} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_9|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_13|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_27|, ~counter1~0=v_~counter1~0_60, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 38600#[L51-4, L91-3, L41-4]don't care [2022-07-22 12:48:16,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:16,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1899905631, now seen corresponding path program 1 times [2022-07-22 12:48:16,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:16,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783126312] [2022-07-22 12:48:16,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:16,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:16,424 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:16,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:16,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:16,437 INFO L85 PathProgramCache]: Analyzing trace with hash 507, now seen corresponding path program 3 times [2022-07-22 12:48:16,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:16,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364016253] [2022-07-22 12:48:16,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:16,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:16,442 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:16,446 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:16,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:16,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1232468059, now seen corresponding path program 1 times [2022-07-22 12:48:16,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:16,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362793361] [2022-07-22 12:48:16,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:16,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:16,460 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:16,473 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:16,506 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:16,506 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:16,506 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:16,506 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:16,506 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:16,506 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,506 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:16,506 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:16,506 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration12_Loop [2022-07-22 12:48:16,507 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:16,507 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:16,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,631 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:16,632 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:16,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,633 INFO L229 MonitoredProcess]: Starting monitored process 176 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:16,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2022-07-22 12:48:16,635 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:16,635 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:16,647 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:16,647 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_23=0} Honda state: {v_rep#funAddr~thread1.offset_23=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:16,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:16,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,669 INFO L229 MonitoredProcess]: Starting monitored process 177 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:16,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2022-07-22 12:48:16,670 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:16,670 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:16,682 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:16,682 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_23=-1} Honda state: {v_rep#funAddr~thread1.base_23=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:16,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Ended with exit code 0 [2022-07-22 12:48:16,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,704 INFO L229 MonitoredProcess]: Starting monitored process 178 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:16,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2022-07-22 12:48:16,705 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:16,705 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:16,714 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:16,714 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_#t~post4#1=0} Honda state: {thread2Thread1of1ForFork3_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:16,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Ended with exit code 0 [2022-07-22 12:48:16,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,736 INFO L229 MonitoredProcess]: Starting monitored process 179 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:16,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2022-07-22 12:48:16,737 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:16,737 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:16,751 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:16,751 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_23=-1} Honda state: {v_rep#funAddr~thread2.base_23=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:16,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2022-07-22 12:48:16,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,773 INFO L229 MonitoredProcess]: Starting monitored process 180 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:16,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2022-07-22 12:48:16,774 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:16,774 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:16,788 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:16,788 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=1} Honda state: {thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:16,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:16,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,810 INFO L229 MonitoredProcess]: Starting monitored process 181 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:16,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2022-07-22 12:48:16,811 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:16,811 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:16,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:16,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,841 INFO L229 MonitoredProcess]: Starting monitored process 182 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:16,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2022-07-22 12:48:16,842 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:16,842 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:16,877 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:16,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Ended with exit code 0 [2022-07-22 12:48:16,879 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:16,879 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:16,879 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:16,879 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:16,879 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:16,880 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,880 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:16,880 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:16,880 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration12_Loop [2022-07-22 12:48:16,880 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:16,880 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:16,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,998 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:16,998 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:16,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,000 INFO L229 MonitoredProcess]: Starting monitored process 183 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:17,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2022-07-22 12:48:17,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:17,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:17,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:17,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:17,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:17,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:17,017 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:17,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:17,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:17,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,044 INFO L229 MonitoredProcess]: Starting monitored process 184 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:17,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2022-07-22 12:48:17,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:17,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:17,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:17,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:17,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:17,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:17,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:17,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:17,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2022-07-22 12:48:17,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,077 INFO L229 MonitoredProcess]: Starting monitored process 185 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:17,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2022-07-22 12:48:17,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:17,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:17,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:17,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:17,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:17,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:17,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:17,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:17,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2022-07-22 12:48:17,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,112 INFO L229 MonitoredProcess]: Starting monitored process 186 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:17,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2022-07-22 12:48:17,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:17,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:17,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:17,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:17,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:17,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:17,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:17,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:17,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:17,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Ended with exit code 0 [2022-07-22 12:48:17,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,144 INFO L229 MonitoredProcess]: Starting monitored process 187 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:17,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:17,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2022-07-22 12:48:17,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:17,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:17,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:17,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:17,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:17,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:17,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:17,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Ended with exit code 0 [2022-07-22 12:48:17,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,179 INFO L229 MonitoredProcess]: Starting monitored process 188 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:17,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2022-07-22 12:48:17,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:17,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:17,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:17,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:17,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:17,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:17,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:17,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:17,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:17,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:17,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,211 INFO L229 MonitoredProcess]: Starting monitored process 189 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:17,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2022-07-22 12:48:17,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:17,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:17,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:17,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:17,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:17,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:17,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:17,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:17,220 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:17,222 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:17,222 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:17,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,224 INFO L229 MonitoredProcess]: Starting monitored process 190 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:17,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2022-07-22 12:48:17,225 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:17,225 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:17,225 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:17,225 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter1~0) = 1*~counter1~0 Supporting invariants [] [2022-07-22 12:48:17,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Ended with exit code 0 [2022-07-22 12:48:17,247 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:17,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:17,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:17,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:17,298 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:48:17,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:17,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:17,299 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:17,299 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1565 states and 7815 transitions. cyclomatic complexity: 6919 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:17,342 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1565 states and 7815 transitions. cyclomatic complexity: 6919. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1615 states and 7987 transitions. Complement of second has 3 states. [2022-07-22 12:48:17,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:17,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:17,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 12 transitions. [2022-07-22 12:48:17,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:17,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:17,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:48:17,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:17,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 12:48:17,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:17,348 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1615 states and 7987 transitions. [2022-07-22 12:48:17,373 INFO L131 ngComponentsAnalysis]: Automaton has 263 accepting balls. 263 [2022-07-22 12:48:17,392 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1615 states to 1615 states and 7987 transitions. [2022-07-22 12:48:17,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 989 [2022-07-22 12:48:17,397 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 995 [2022-07-22 12:48:17,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1615 states and 7987 transitions. [2022-07-22 12:48:17,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:17,397 INFO L220 hiAutomatonCegarLoop]: Abstraction has 1615 states and 7987 transitions. [2022-07-22 12:48:17,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1615 states and 7987 transitions. [2022-07-22 12:48:17,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1615 to 1573. [2022-07-22 12:48:17,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1573 states have (on average 4.9879211697393515) internal successors, (7846), 1572 states have internal predecessors, (7846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:17,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 7846 transitions. [2022-07-22 12:48:17,521 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1573 states and 7846 transitions. [2022-07-22 12:48:17,521 INFO L425 stractBuchiCegarLoop]: Abstraction has 1573 states and 7846 transitions. [2022-07-22 12:48:17,521 INFO L332 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-07-22 12:48:17,522 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1573 states and 7846 transitions. [2022-07-22 12:48:17,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:17,549 INFO L131 ngComponentsAnalysis]: Automaton has 263 accepting balls. 263 [2022-07-22 12:48:17,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:17,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:17,550 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:17,550 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:17,551 INFO L748 eck$LassoCheckResult]: Stem: 44856#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 43646#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 43272#[thread1ENTRY, L89-4]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 43274#[L89-4, L41-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 43616#[L90-3, L41-4]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 44102#[thread2ENTRY, L41-4, L90-4]don't care [350] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 43390#[L51-4, L41-4, L90-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 43394#[L51-4, L41-4, L90-4]don't care [476] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_~i~1#1_27| (+ |v_thread2Thread1of1ForFork3_~i~1#1_28| 1)) (< |v_thread2Thread1of1ForFork3_~i~1#1_28| v_~N~0_27) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|) (= (+ v_~counter1~0_60 1) v_~counter1~0_61) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| 0)) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9| (ite (< 0 v_~counter1~0_61) 1 0))) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_28|, ~counter1~0=v_~counter1~0_61, ~N~0=v_~N~0_27} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_9|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_13|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_27|, ~counter1~0=v_~counter1~0_60, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 45718#[L51-4, L41-4, L90-4]don't care [2022-07-22 12:48:17,551 INFO L750 eck$LassoCheckResult]: Loop: 45718#[L51-4, L41-4, L90-4]don't care [476] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_~i~1#1_27| (+ |v_thread2Thread1of1ForFork3_~i~1#1_28| 1)) (< |v_thread2Thread1of1ForFork3_~i~1#1_28| v_~N~0_27) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|) (= (+ v_~counter1~0_60 1) v_~counter1~0_61) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| 0)) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9| (ite (< 0 v_~counter1~0_61) 1 0))) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_28|, ~counter1~0=v_~counter1~0_61, ~N~0=v_~N~0_27} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_9|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_13|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_27|, ~counter1~0=v_~counter1~0_60, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 45718#[L51-4, L41-4, L90-4]don't care [2022-07-22 12:48:17,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:17,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1899077000, now seen corresponding path program 2 times [2022-07-22 12:48:17,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:17,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572298282] [2022-07-22 12:48:17,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:17,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:17,563 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:17,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:17,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:17,574 INFO L85 PathProgramCache]: Analyzing trace with hash 507, now seen corresponding path program 4 times [2022-07-22 12:48:17,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:17,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19383390] [2022-07-22 12:48:17,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:17,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:17,579 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:17,582 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:17,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:17,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1258155620, now seen corresponding path program 3 times [2022-07-22 12:48:17,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:17,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795913722] [2022-07-22 12:48:17,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:17,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:17,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:17,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:48:17,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795913722] [2022-07-22 12:48:17,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795913722] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:48:17,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:48:17,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:48:17,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104256668] [2022-07-22 12:48:17,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:48:17,661 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:17,661 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:17,661 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:17,661 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:17,661 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:17,661 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,662 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:17,662 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:17,662 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration13_Loop [2022-07-22 12:48:17,662 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:17,662 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:17,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:17,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:17,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:17,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:17,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:17,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:17,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:17,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:17,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:17,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:17,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:17,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:17,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:17,772 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:17,772 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:17,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,774 INFO L229 MonitoredProcess]: Starting monitored process 191 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:17,779 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:17,779 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:17,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2022-07-22 12:48:17,798 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:17,798 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_25=-1} Honda state: {v_rep#funAddr~thread4.base_25=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:17,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:17,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,832 INFO L229 MonitoredProcess]: Starting monitored process 192 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:17,835 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:17,835 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:17,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2022-07-22 12:48:17,853 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:17,853 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_25=-1} Honda state: {v_rep#funAddr~thread1.base_25=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:17,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:17,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,884 INFO L229 MonitoredProcess]: Starting monitored process 193 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:17,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2022-07-22 12:48:17,885 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:17,885 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:17,899 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:17,899 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_25=-1} Honda state: {v_rep#funAddr~thread3.base_25=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:17,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:17,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,922 INFO L229 MonitoredProcess]: Starting monitored process 194 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:17,923 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:17,924 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:17,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2022-07-22 12:48:17,936 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:17,937 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_25=0} Honda state: {v_rep#funAddr~thread1.offset_25=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:17,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2022-07-22 12:48:17,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,959 INFO L229 MonitoredProcess]: Starting monitored process 195 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:17,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2022-07-22 12:48:17,959 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:17,960 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:17,973 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:17,973 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_25=-1} Honda state: {v_rep#funAddr~thread2.base_25=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:17,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Ended with exit code 0 [2022-07-22 12:48:17,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,995 INFO L229 MonitoredProcess]: Starting monitored process 196 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:17,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2022-07-22 12:48:17,996 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:17,996 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:18,009 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:18,009 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_25=1} Honda state: {v_rep#funAddr~thread2.offset_25=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:18,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Ended with exit code 0 [2022-07-22 12:48:18,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,031 INFO L229 MonitoredProcess]: Starting monitored process 197 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:18,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2022-07-22 12:48:18,032 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:18,032 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:18,044 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:18,045 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.offset_25=2} Honda state: {v_rep#funAddr~thread3.offset_25=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:18,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Ended with exit code 0 [2022-07-22 12:48:18,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,066 INFO L229 MonitoredProcess]: Starting monitored process 198 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:18,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2022-07-22 12:48:18,069 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:18,069 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:18,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2022-07-22 12:48:18,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,098 INFO L229 MonitoredProcess]: Starting monitored process 199 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:18,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2022-07-22 12:48:18,099 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:18,099 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:18,132 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:18,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:18,135 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:18,135 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:18,135 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:18,135 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:18,135 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:18,135 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,135 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:18,135 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:18,135 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration13_Loop [2022-07-22 12:48:18,135 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:18,136 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:18,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:18,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:18,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:18,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:18,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:18,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:18,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:18,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:18,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:18,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:18,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:18,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:18,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:18,254 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:18,254 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:18,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,256 INFO L229 MonitoredProcess]: Starting monitored process 200 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:18,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2022-07-22 12:48:18,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:18,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:18,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:18,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:18,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:18,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:18,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:18,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:18,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:18,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,290 INFO L229 MonitoredProcess]: Starting monitored process 201 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:18,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2022-07-22 12:48:18,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:18,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:18,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:18,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:18,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:18,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:18,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:18,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:18,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:18,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,323 INFO L229 MonitoredProcess]: Starting monitored process 202 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:18,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2022-07-22 12:48:18,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:18,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:18,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:18,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:18,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:18,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:18,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:18,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:18,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Ended with exit code 0 [2022-07-22 12:48:18,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,357 INFO L229 MonitoredProcess]: Starting monitored process 203 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:18,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2022-07-22 12:48:18,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:18,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:18,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:18,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:18,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:18,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:18,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:18,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:18,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Ended with exit code 0 [2022-07-22 12:48:18,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,392 INFO L229 MonitoredProcess]: Starting monitored process 204 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:18,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2022-07-22 12:48:18,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:18,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:18,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:18,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:18,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:18,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:18,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:18,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:18,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Ended with exit code 0 [2022-07-22 12:48:18,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,455 INFO L229 MonitoredProcess]: Starting monitored process 205 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:18,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2022-07-22 12:48:18,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:18,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:18,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:18,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:18,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:18,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:18,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:18,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:18,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:18,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,488 INFO L229 MonitoredProcess]: Starting monitored process 206 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:18,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2022-07-22 12:48:18,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:18,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:18,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:18,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:18,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:18,498 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:18,498 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:18,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:18,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Ended with exit code 0 [2022-07-22 12:48:18,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,523 INFO L229 MonitoredProcess]: Starting monitored process 207 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:18,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2022-07-22 12:48:18,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:18,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:18,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:18,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:18,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:18,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:18,531 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:18,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:18,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2022-07-22 12:48:18,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,559 INFO L229 MonitoredProcess]: Starting monitored process 208 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:18,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2022-07-22 12:48:18,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:18,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:18,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:18,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:18,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:18,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:18,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:18,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:18,569 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:18,571 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:18,571 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:18,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,573 INFO L229 MonitoredProcess]: Starting monitored process 209 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:18,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2022-07-22 12:48:18,574 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:18,574 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:18,575 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:18,575 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter1~0) = 1*~counter1~0 Supporting invariants [] [2022-07-22 12:48:18,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:18,597 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:18,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:18,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:18,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:18,642 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:48:18,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:18,644 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:18,644 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1573 states and 7846 transitions. cyclomatic complexity: 6942 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:18,730 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1573 states and 7846 transitions. cyclomatic complexity: 6942. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2577 states and 12732 transitions. Complement of second has 3 states. [2022-07-22 12:48:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:18,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:18,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 28 transitions. [2022-07-22 12:48:18,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:18,731 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:18,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:48:18,731 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:18,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 12:48:18,731 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:18,731 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2577 states and 12732 transitions. [2022-07-22 12:48:18,764 INFO L131 ngComponentsAnalysis]: Automaton has 343 accepting balls. 343 [2022-07-22 12:48:18,795 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2577 states to 2574 states and 12720 transitions. [2022-07-22 12:48:18,795 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1348 [2022-07-22 12:48:18,800 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1474 [2022-07-22 12:48:18,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2574 states and 12720 transitions. [2022-07-22 12:48:18,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:18,800 INFO L220 hiAutomatonCegarLoop]: Abstraction has 2574 states and 12720 transitions. [2022-07-22 12:48:18,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2574 states and 12720 transitions. [2022-07-22 12:48:18,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:18,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2574 to 1949. [2022-07-22 12:48:18,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1949 states, 1949 states have (on average 5.109799897383273) internal successors, (9959), 1948 states have internal predecessors, (9959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:18,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1949 states and 9959 transitions. [2022-07-22 12:48:18,971 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1949 states and 9959 transitions. [2022-07-22 12:48:18,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:48:18,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 12:48:18,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-22 12:48:18,972 INFO L87 Difference]: Start difference. First operand 1949 states and 9959 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:19,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:48:19,111 INFO L93 Difference]: Finished difference Result 3551 states and 17398 transitions. [2022-07-22 12:48:19,111 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3551 states and 17398 transitions. [2022-07-22 12:48:19,168 INFO L131 ngComponentsAnalysis]: Automaton has 525 accepting balls. 525 [2022-07-22 12:48:19,220 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3551 states to 3502 states and 17117 transitions. [2022-07-22 12:48:19,220 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2067 [2022-07-22 12:48:19,230 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2234 [2022-07-22 12:48:19,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3502 states and 17117 transitions. [2022-07-22 12:48:19,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:19,230 INFO L220 hiAutomatonCegarLoop]: Abstraction has 3502 states and 17117 transitions. [2022-07-22 12:48:19,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3502 states and 17117 transitions. [2022-07-22 12:48:19,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3502 to 2646. [2022-07-22 12:48:19,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2646 states, 2646 states have (on average 5.193121693121693) internal successors, (13741), 2645 states have internal predecessors, (13741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:19,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 13741 transitions. [2022-07-22 12:48:19,345 INFO L242 hiAutomatonCegarLoop]: Abstraction has 2646 states and 13741 transitions. [2022-07-22 12:48:19,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:48:19,346 INFO L425 stractBuchiCegarLoop]: Abstraction has 2646 states and 13741 transitions. [2022-07-22 12:48:19,346 INFO L332 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-07-22 12:48:19,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2646 states and 13741 transitions. [2022-07-22 12:48:19,376 INFO L131 ngComponentsAnalysis]: Automaton has 383 accepting balls. 383 [2022-07-22 12:48:19,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:19,376 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:19,377 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:19,377 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:19,378 INFO L748 eck$LassoCheckResult]: Stem: 58254#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 56912#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 56516#[thread1ENTRY, L89-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 56520#[thread1ENTRY, L90-3]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 57016#[thread2ENTRY, thread1ENTRY, L90-4]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 57032#[L91-3, thread1ENTRY, thread2ENTRY]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 57036#[thread2ENTRY, thread1ENTRY, L91-4, thread3ENTRY]don't care [360] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 57740#[L62-4, thread2ENTRY, thread1ENTRY, L91-4]don't care [483] L91-4-->L92-3: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (select |v_#length_75| |v_ULTIMATE.start_main_~#t4~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre17#1_21| |v_#pthreadsForks_54|) (= (+ |v_#pthreadsForks_54| 1) |v_#pthreadsForks_53|) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) 1) (= (store |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31| (store (select |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) |v_ULTIMATE.start_main_~#t4~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre17#1_21|)) |v_#memory_int_55|)) InVars {#pthreadsForks=|v_#pthreadsForks_54|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_56|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_11|, #pthreadsForks=|v_#pthreadsForks_53|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_55|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet16#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~pre17#1] 57742#[L62-4, thread2ENTRY, thread1ENTRY, L92-3]don't care [2022-07-22 12:48:19,378 INFO L750 eck$LassoCheckResult]: Loop: 57742#[L62-4, thread2ENTRY, thread1ENTRY, L92-3]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 57742#[L62-4, thread2ENTRY, thread1ENTRY, L92-3]don't care [2022-07-22 12:48:19,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:19,378 INFO L85 PathProgramCache]: Analyzing trace with hash -2099393324, now seen corresponding path program 1 times [2022-07-22 12:48:19,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:19,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123200025] [2022-07-22 12:48:19,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:19,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:19,394 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:19,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:19,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:19,407 INFO L85 PathProgramCache]: Analyzing trace with hash 516, now seen corresponding path program 2 times [2022-07-22 12:48:19,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:19,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122442617] [2022-07-22 12:48:19,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:19,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:19,411 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:19,414 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:19,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:19,415 INFO L85 PathProgramCache]: Analyzing trace with hash -656683119, now seen corresponding path program 1 times [2022-07-22 12:48:19,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:19,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030671606] [2022-07-22 12:48:19,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:19,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:19,430 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:19,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:19,456 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:19,456 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:19,456 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:19,456 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:19,456 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:19,456 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,457 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:19,457 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:19,457 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration14_Loop [2022-07-22 12:48:19,457 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:19,457 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:19,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,547 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:19,547 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:19,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:19,549 INFO L229 MonitoredProcess]: Starting monitored process 210 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:19,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2022-07-22 12:48:19,551 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:19,551 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:19,563 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:19,564 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_27=3} Honda state: {v_rep#funAddr~thread4.offset_27=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:19,585 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Ended with exit code 0 [2022-07-22 12:48:19,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:19,586 INFO L229 MonitoredProcess]: Starting monitored process 211 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:19,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2022-07-22 12:48:19,587 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:19,587 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:19,600 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:19,600 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_27=-1} Honda state: {v_rep#funAddr~thread4.base_27=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:19,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Ended with exit code 0 [2022-07-22 12:48:19,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:19,622 INFO L229 MonitoredProcess]: Starting monitored process 212 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:19,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Waiting until timeout for monitored process [2022-07-22 12:48:19,623 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:19,623 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:19,635 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:19,635 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.offset_27=2} Honda state: {v_rep#funAddr~thread3.offset_27=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:19,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Ended with exit code 0 [2022-07-22 12:48:19,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:19,658 INFO L229 MonitoredProcess]: Starting monitored process 213 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:19,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Waiting until timeout for monitored process [2022-07-22 12:48:19,659 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:19,659 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:19,671 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:19,672 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_27=0} Honda state: {v_rep#funAddr~thread1.offset_27=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:19,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:19,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:19,694 INFO L229 MonitoredProcess]: Starting monitored process 214 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:19,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Waiting until timeout for monitored process [2022-07-22 12:48:19,696 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:19,696 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:19,709 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:19,709 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_27=-1} Honda state: {v_rep#funAddr~thread3.base_27=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:19,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:19,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:19,732 INFO L229 MonitoredProcess]: Starting monitored process 215 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:19,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Waiting until timeout for monitored process [2022-07-22 12:48:19,733 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:19,733 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:19,745 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:19,746 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_27=1} Honda state: {v_rep#funAddr~thread2.offset_27=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:19,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:19,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:19,767 INFO L229 MonitoredProcess]: Starting monitored process 216 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:19,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Waiting until timeout for monitored process [2022-07-22 12:48:19,768 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:19,769 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:19,780 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:19,781 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_27=-1} Honda state: {v_rep#funAddr~thread2.base_27=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:19,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:19,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:19,803 INFO L229 MonitoredProcess]: Starting monitored process 217 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:19,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Waiting until timeout for monitored process [2022-07-22 12:48:19,804 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:19,804 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:19,812 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:19,812 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork0_#t~post5=0} Honda state: {thread3Thread1of1ForFork0_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:19,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Ended with exit code 0 [2022-07-22 12:48:19,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:19,835 INFO L229 MonitoredProcess]: Starting monitored process 218 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:19,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Waiting until timeout for monitored process [2022-07-22 12:48:19,837 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:19,838 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:19,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Ended with exit code 0 [2022-07-22 12:48:19,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:19,867 INFO L229 MonitoredProcess]: Starting monitored process 219 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:19,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Waiting until timeout for monitored process [2022-07-22 12:48:19,868 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:19,869 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:20,017 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:20,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:20,019 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:20,019 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:20,019 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:20,019 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:20,019 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:20,019 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,019 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:20,020 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:20,020 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration14_Loop [2022-07-22 12:48:20,020 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:20,020 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:20,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,160 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:20,160 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:20,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:20,162 INFO L229 MonitoredProcess]: Starting monitored process 220 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:20,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Waiting until timeout for monitored process [2022-07-22 12:48:20,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:20,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:20,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:20,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:20,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:20,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:20,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:20,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:20,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:20,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:20,198 INFO L229 MonitoredProcess]: Starting monitored process 221 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:20,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Waiting until timeout for monitored process [2022-07-22 12:48:20,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:20,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:20,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:20,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:20,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:20,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:20,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:20,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:20,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:20,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:20,233 INFO L229 MonitoredProcess]: Starting monitored process 222 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:20,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2022-07-22 12:48:20,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:20,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:20,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:20,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:20,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:20,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:20,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:20,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:20,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:20,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:20,268 INFO L229 MonitoredProcess]: Starting monitored process 223 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:20,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Waiting until timeout for monitored process [2022-07-22 12:48:20,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:20,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:20,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:20,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:20,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:20,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:20,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:20,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:20,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Ended with exit code 0 [2022-07-22 12:48:20,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:20,303 INFO L229 MonitoredProcess]: Starting monitored process 224 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:20,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Waiting until timeout for monitored process [2022-07-22 12:48:20,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:20,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:20,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:20,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:20,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:20,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:20,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:20,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:20,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:20,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:20,338 INFO L229 MonitoredProcess]: Starting monitored process 225 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:20,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Waiting until timeout for monitored process [2022-07-22 12:48:20,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:20,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:20,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:20,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:20,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:20,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:20,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:20,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:20,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Ended with exit code 0 [2022-07-22 12:48:20,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:20,373 INFO L229 MonitoredProcess]: Starting monitored process 226 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:20,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:20,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Waiting until timeout for monitored process [2022-07-22 12:48:20,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:20,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:20,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:20,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:20,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:20,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:20,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:20,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:20,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Ended with exit code 0 [2022-07-22 12:48:20,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:20,406 INFO L229 MonitoredProcess]: Starting monitored process 227 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:20,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Waiting until timeout for monitored process [2022-07-22 12:48:20,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:20,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:20,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:20,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:20,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:20,418 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:20,418 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:20,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:20,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Ended with exit code 0 [2022-07-22 12:48:20,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:20,445 INFO L229 MonitoredProcess]: Starting monitored process 228 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:20,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Waiting until timeout for monitored process [2022-07-22 12:48:20,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:20,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:20,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:20,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:20,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:20,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:20,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:20,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:20,456 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:20,458 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:20,458 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:20,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:20,459 INFO L229 MonitoredProcess]: Starting monitored process 229 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:20,462 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:20,462 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:20,462 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:20,462 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork0_~i~2, ~M~0) = -1*thread3Thread1of1ForFork0_~i~2 + 1*~M~0 Supporting invariants [] [2022-07-22 12:48:20,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Waiting until timeout for monitored process [2022-07-22 12:48:20,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Ended with exit code 0 [2022-07-22 12:48:20,485 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:20,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:20,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:20,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:20,540 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:20,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:20,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:20,542 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:20,542 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2646 states and 13741 transitions. cyclomatic complexity: 12067 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:20,616 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2646 states and 13741 transitions. cyclomatic complexity: 12067. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2975 states and 15272 transitions. Complement of second has 3 states. [2022-07-22 12:48:20,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:20,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:20,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 17 transitions. [2022-07-22 12:48:20,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 17 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:20,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:20,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 17 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:48:20,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:20,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 17 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 12:48:20,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:20,618 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2975 states and 15272 transitions. [2022-07-22 12:48:20,666 INFO L131 ngComponentsAnalysis]: Automaton has 382 accepting balls. 382 [2022-07-22 12:48:20,705 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2975 states to 2975 states and 15272 transitions. [2022-07-22 12:48:20,706 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1638 [2022-07-22 12:48:20,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1748 [2022-07-22 12:48:20,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2975 states and 15272 transitions. [2022-07-22 12:48:20,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:20,714 INFO L220 hiAutomatonCegarLoop]: Abstraction has 2975 states and 15272 transitions. [2022-07-22 12:48:20,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2975 states and 15272 transitions. [2022-07-22 12:48:20,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2975 to 2674. [2022-07-22 12:48:20,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 2674 states have (on average 5.194839192221391) internal successors, (13891), 2673 states have internal predecessors, (13891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:20,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 13891 transitions. [2022-07-22 12:48:20,813 INFO L242 hiAutomatonCegarLoop]: Abstraction has 2674 states and 13891 transitions. [2022-07-22 12:48:20,813 INFO L425 stractBuchiCegarLoop]: Abstraction has 2674 states and 13891 transitions. [2022-07-22 12:48:20,813 INFO L332 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-07-22 12:48:20,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2674 states and 13891 transitions. [2022-07-22 12:48:20,840 INFO L131 ngComponentsAnalysis]: Automaton has 382 accepting balls. 382 [2022-07-22 12:48:20,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:20,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:20,842 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:20,842 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:20,843 INFO L748 eck$LassoCheckResult]: Stem: 66638#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 65242#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 64832#[thread1ENTRY, L89-4]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 64834#[L89-4, L41-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 65208#[L90-3, L41-4]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 67594#[thread2ENTRY, L41-4, L90-4]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 67592#[L91-3, L41-4, thread2ENTRY]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 68506#[thread2ENTRY, L91-4, thread3ENTRY, L41-4]don't care [360] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 68510#[L62-4, thread2ENTRY, L91-4, L41-4]don't care [450] L41-4-->thread1EXIT: Formula: (and (not (< v_thread1Thread1of1ForFork1_~i~0_19 v_~M~0_19)) (= |v_thread1Thread1of1ForFork1_#res.base_9| 0) (= |v_thread1Thread1of1ForFork1_#res.offset_9| 0)) InVars {~M~0=v_~M~0_19, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_19} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_9|, ~M~0=v_~M~0_19, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_19, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_9|} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#res.offset] 69456#[L62-4, thread2ENTRY, L91-4, thread1EXIT]don't care [2022-07-22 12:48:20,843 INFO L750 eck$LassoCheckResult]: Loop: 69456#[L62-4, thread2ENTRY, L91-4, thread1EXIT]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 69456#[L62-4, thread2ENTRY, L91-4, thread1EXIT]don't care [2022-07-22 12:48:20,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:20,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1261779773, now seen corresponding path program 1 times [2022-07-22 12:48:20,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:20,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954458454] [2022-07-22 12:48:20,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:20,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:20,877 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:20,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:20,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:20,894 INFO L85 PathProgramCache]: Analyzing trace with hash 516, now seen corresponding path program 3 times [2022-07-22 12:48:20,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:20,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730768209] [2022-07-22 12:48:20,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:20,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:20,898 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:20,901 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:20,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:20,902 INFO L85 PathProgramCache]: Analyzing trace with hash 460467784, now seen corresponding path program 1 times [2022-07-22 12:48:20,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:20,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285932376] [2022-07-22 12:48:20,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:20,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:20,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:20,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:48:20,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285932376] [2022-07-22 12:48:20,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285932376] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:48:20,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:48:20,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 12:48:20,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820414130] [2022-07-22 12:48:20,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:48:20,974 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:20,974 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:20,974 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:20,974 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:20,975 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:20,975 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,975 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:20,975 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:20,975 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration15_Loop [2022-07-22 12:48:20,976 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:20,976 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:20,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,080 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:21,080 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:21,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:21,083 INFO L229 MonitoredProcess]: Starting monitored process 230 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:21,085 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:21,085 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:21,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Waiting until timeout for monitored process [2022-07-22 12:48:21,107 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:21,107 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_29=3} Honda state: {v_rep#funAddr~thread4.offset_29=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:21,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:21,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:21,144 INFO L229 MonitoredProcess]: Starting monitored process 231 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:21,146 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:21,146 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:21,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Waiting until timeout for monitored process [2022-07-22 12:48:21,164 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:21,164 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_29=-1} Honda state: {v_rep#funAddr~thread3.base_29=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:21,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:21,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:21,204 INFO L229 MonitoredProcess]: Starting monitored process 232 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:21,206 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:21,206 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:21,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Waiting until timeout for monitored process [2022-07-22 12:48:21,226 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:21,226 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.offset_29=2} Honda state: {v_rep#funAddr~thread3.offset_29=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:21,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:21,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:21,264 INFO L229 MonitoredProcess]: Starting monitored process 233 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:21,271 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:21,272 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:21,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Waiting until timeout for monitored process [2022-07-22 12:48:21,290 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:21,290 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_29=-1} Honda state: {v_rep#funAddr~thread4.base_29=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:21,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Ended with exit code 0 [2022-07-22 12:48:21,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:21,322 INFO L229 MonitoredProcess]: Starting monitored process 234 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:21,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Waiting until timeout for monitored process [2022-07-22 12:48:21,323 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:21,323 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:21,335 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:21,336 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_29=1} Honda state: {v_rep#funAddr~thread2.offset_29=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:21,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:21,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:21,360 INFO L229 MonitoredProcess]: Starting monitored process 235 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:21,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Waiting until timeout for monitored process [2022-07-22 12:48:21,361 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:21,361 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:21,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Ended with exit code 0 [2022-07-22 12:48:21,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:21,392 INFO L229 MonitoredProcess]: Starting monitored process 236 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:21,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Waiting until timeout for monitored process [2022-07-22 12:48:21,393 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:21,393 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:21,558 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:21,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:21,561 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:21,561 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:21,561 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:21,561 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:21,561 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:21,561 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,561 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:21,561 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:21,561 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration15_Loop [2022-07-22 12:48:21,562 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:21,562 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:21,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,665 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:21,665 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:21,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:21,666 INFO L229 MonitoredProcess]: Starting monitored process 237 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:21,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Waiting until timeout for monitored process [2022-07-22 12:48:21,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:21,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:21,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:21,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:21,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:21,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:21,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:21,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:21,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:21,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:21,701 INFO L229 MonitoredProcess]: Starting monitored process 238 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:21,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Waiting until timeout for monitored process [2022-07-22 12:48:21,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:21,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:21,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:21,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:21,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:21,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:21,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:21,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:21,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:21,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:21,736 INFO L229 MonitoredProcess]: Starting monitored process 239 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:21,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Waiting until timeout for monitored process [2022-07-22 12:48:21,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:21,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:21,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:21,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:21,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:21,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:21,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:21,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:21,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:21,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:21,776 INFO L229 MonitoredProcess]: Starting monitored process 240 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:21,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Waiting until timeout for monitored process [2022-07-22 12:48:21,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:21,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:21,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:21,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:21,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:21,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:21,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:21,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:21,789 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:21,801 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:21,802 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:21,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:21,803 INFO L229 MonitoredProcess]: Starting monitored process 241 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:21,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Waiting until timeout for monitored process [2022-07-22 12:48:21,804 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:21,804 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:21,805 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:21,805 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork0_~i~2, ~M~0) = -1*thread3Thread1of1ForFork0_~i~2 + 1*~M~0 Supporting invariants [] [2022-07-22 12:48:21,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Ended with exit code 0 [2022-07-22 12:48:21,874 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:21,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:21,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:21,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:21,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:21,931 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:21,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:21,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:21,932 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:21,933 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2674 states and 13891 transitions. cyclomatic complexity: 12195 Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:21,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:22,015 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2674 states and 13891 transitions. cyclomatic complexity: 12195. Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3379 states and 16866 transitions. Complement of second has 3 states. [2022-07-22 12:48:22,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:22,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:22,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 22 transitions. [2022-07-22 12:48:22,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:48:22,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:22,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-22 12:48:22,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:22,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-22 12:48:22,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:22,017 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3379 states and 16866 transitions. [2022-07-22 12:48:22,064 INFO L131 ngComponentsAnalysis]: Automaton has 376 accepting balls. 376 [2022-07-22 12:48:22,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3379 states to 3379 states and 16866 transitions. [2022-07-22 12:48:22,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1745 [2022-07-22 12:48:22,113 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2003 [2022-07-22 12:48:22,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3379 states and 16866 transitions. [2022-07-22 12:48:22,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:22,114 INFO L220 hiAutomatonCegarLoop]: Abstraction has 3379 states and 16866 transitions. [2022-07-22 12:48:22,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3379 states and 16866 transitions. [2022-07-22 12:48:22,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3379 to 2722. [2022-07-22 12:48:22,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2722 states have (on average 5.191403379867745) internal successors, (14131), 2721 states have internal predecessors, (14131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:22,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 14131 transitions. [2022-07-22 12:48:22,235 INFO L242 hiAutomatonCegarLoop]: Abstraction has 2722 states and 14131 transitions. [2022-07-22 12:48:22,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:48:22,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 12:48:22,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-22 12:48:22,235 INFO L87 Difference]: Start difference. First operand 2722 states and 14131 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:22,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:48:22,402 INFO L93 Difference]: Finished difference Result 3177 states and 15705 transitions. [2022-07-22 12:48:22,402 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3177 states and 15705 transitions. [2022-07-22 12:48:22,449 INFO L131 ngComponentsAnalysis]: Automaton has 488 accepting balls. 488 [2022-07-22 12:48:22,488 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3177 states to 3153 states and 15628 transitions. [2022-07-22 12:48:22,488 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1964 [2022-07-22 12:48:22,562 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1967 [2022-07-22 12:48:22,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3153 states and 15628 transitions. [2022-07-22 12:48:22,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:22,562 INFO L220 hiAutomatonCegarLoop]: Abstraction has 3153 states and 15628 transitions. [2022-07-22 12:48:22,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3153 states and 15628 transitions. [2022-07-22 12:48:22,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3153 to 2793. [2022-07-22 12:48:22,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2793 states, 2793 states have (on average 5.163981382026495) internal successors, (14423), 2792 states have internal predecessors, (14423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:22,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2793 states and 14423 transitions. [2022-07-22 12:48:22,662 INFO L242 hiAutomatonCegarLoop]: Abstraction has 2793 states and 14423 transitions. [2022-07-22 12:48:22,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 12:48:22,663 INFO L425 stractBuchiCegarLoop]: Abstraction has 2793 states and 14423 transitions. [2022-07-22 12:48:22,663 INFO L332 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2022-07-22 12:48:22,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2793 states and 14423 transitions. [2022-07-22 12:48:22,696 INFO L131 ngComponentsAnalysis]: Automaton has 398 accepting balls. 398 [2022-07-22 12:48:22,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:22,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:22,697 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:22,697 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:22,698 INFO L748 eck$LassoCheckResult]: Stem: 83987#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 82629#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 82243#[thread1ENTRY, L89-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 82247#[thread1ENTRY, L90-3]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 82739#[thread2ENTRY, thread1ENTRY, L90-4]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 82743#[L91-3, thread1ENTRY, thread2ENTRY]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 82747#[thread2ENTRY, thread1ENTRY, L91-4, thread3ENTRY]don't care [483] L91-4-->L92-3: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (select |v_#length_75| |v_ULTIMATE.start_main_~#t4~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre17#1_21| |v_#pthreadsForks_54|) (= (+ |v_#pthreadsForks_54| 1) |v_#pthreadsForks_53|) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) 1) (= (store |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31| (store (select |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) |v_ULTIMATE.start_main_~#t4~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre17#1_21|)) |v_#memory_int_55|)) InVars {#pthreadsForks=|v_#pthreadsForks_54|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_56|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_11|, #pthreadsForks=|v_#pthreadsForks_53|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_55|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet16#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~pre17#1] 83409#[thread2ENTRY, thread1ENTRY, L92-3, thread3ENTRY]don't care [388] L92-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre17#1_6| v_thread4Thread1of1ForFork2_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 83149#[thread3ENTRY, thread2ENTRY, L92-4, thread4ENTRY, thread1ENTRY]don't care [370] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 82377#[L72-4, thread3ENTRY, thread2ENTRY, L92-4, thread1ENTRY]don't care [2022-07-22 12:48:22,698 INFO L750 eck$LassoCheckResult]: Loop: 82377#[L72-4, thread3ENTRY, thread2ENTRY, L92-4, thread1ENTRY]don't care [484] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_~i~3#1_25| (+ |v_thread4Thread1of1ForFork2_~i~3#1_26| 1)) (< |v_thread4Thread1of1ForFork2_~i~3#1_26| v_~N~0_31) (= (+ v_~counter2~0_58 1) v_~counter2~0_59) (not (= 0 |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) (= (ite (< 0 v_~counter2~0_59) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9| |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) InVars {~counter2~0=v_~counter2~0_59, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_26|, ~N~0=v_~N~0_31} OutVars{~counter2~0=v_~counter2~0_58, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_25|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_19|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_9|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_31} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 82377#[L72-4, thread3ENTRY, thread2ENTRY, L92-4, thread1ENTRY]don't care [2022-07-22 12:48:22,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:22,699 INFO L85 PathProgramCache]: Analyzing trace with hash -656567976, now seen corresponding path program 1 times [2022-07-22 12:48:22,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:22,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168754718] [2022-07-22 12:48:22,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:22,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:22,716 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:22,729 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:22,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:22,730 INFO L85 PathProgramCache]: Analyzing trace with hash 515, now seen corresponding path program 1 times [2022-07-22 12:48:22,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:22,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283731567] [2022-07-22 12:48:22,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:22,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:22,735 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:22,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:22,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:22,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1121229708, now seen corresponding path program 1 times [2022-07-22 12:48:22,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:22,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947814988] [2022-07-22 12:48:22,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:22,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:22,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:22,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:48:22,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947814988] [2022-07-22 12:48:22,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947814988] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:48:22,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:48:22,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-07-22 12:48:22,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154690464] [2022-07-22 12:48:22,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:48:22,806 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:22,806 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:22,806 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:22,806 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:22,806 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:22,806 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:22,806 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:22,806 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:22,806 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration16_Loop [2022-07-22 12:48:22,807 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:22,807 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:22,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,924 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:22,925 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:22,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:22,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:22,926 INFO L229 MonitoredProcess]: Starting monitored process 242 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:22,934 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:22,934 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:22,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Waiting until timeout for monitored process [2022-07-22 12:48:22,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Ended with exit code 0 [2022-07-22 12:48:22,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:22,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:22,973 INFO L229 MonitoredProcess]: Starting monitored process 243 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:22,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Waiting until timeout for monitored process [2022-07-22 12:48:22,975 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:22,975 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:23,009 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:23,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Ended with exit code 0 [2022-07-22 12:48:23,012 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:23,012 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:23,012 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:23,012 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:23,012 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:23,013 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:23,013 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:23,013 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:23,013 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration16_Loop [2022-07-22 12:48:23,013 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:23,013 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:23,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:23,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:23,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:23,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:23,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:23,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:23,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:23,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:23,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:23,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:23,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:23,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:23,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:23,124 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:23,124 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:23,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:23,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:23,126 INFO L229 MonitoredProcess]: Starting monitored process 244 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:23,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Waiting until timeout for monitored process [2022-07-22 12:48:23,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:23,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:23,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:23,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:23,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:23,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:23,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:23,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:23,143 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:23,146 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:23,146 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:23,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:23,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:23,147 INFO L229 MonitoredProcess]: Starting monitored process 245 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:23,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Waiting until timeout for monitored process [2022-07-22 12:48:23,149 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:23,149 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:23,149 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:23,149 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter2~0) = 1*~counter2~0 Supporting invariants [] [2022-07-22 12:48:23,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Ended with exit code 0 [2022-07-22 12:48:23,174 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:23,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:23,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:23,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:23,241 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:48:23,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:23,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:23,242 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:23,243 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2793 states and 14423 transitions. cyclomatic complexity: 12638 Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:23,349 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2793 states and 14423 transitions. cyclomatic complexity: 12638. Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3938 states and 20339 transitions. Complement of second has 3 states. [2022-07-22 12:48:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:23,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:23,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 26 transitions. [2022-07-22 12:48:23,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 26 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:48:23,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:23,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 26 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-22 12:48:23,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:23,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 26 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-22 12:48:23,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:23,351 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3938 states and 20339 transitions. [2022-07-22 12:48:23,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Ended with exit code 0 [2022-07-22 12:48:23,529 INFO L131 ngComponentsAnalysis]: Automaton has 397 accepting balls. 397 [2022-07-22 12:48:23,585 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3938 states to 3935 states and 20335 transitions. [2022-07-22 12:48:23,585 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1909 [2022-07-22 12:48:23,596 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2265 [2022-07-22 12:48:23,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3935 states and 20335 transitions. [2022-07-22 12:48:23,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:23,597 INFO L220 hiAutomatonCegarLoop]: Abstraction has 3935 states and 20335 transitions. [2022-07-22 12:48:23,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3935 states and 20335 transitions. [2022-07-22 12:48:23,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3935 to 3248. [2022-07-22 12:48:23,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3248 states, 3248 states have (on average 5.173337438423645) internal successors, (16803), 3247 states have internal predecessors, (16803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:23,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 3248 states and 16803 transitions. [2022-07-22 12:48:23,745 INFO L242 hiAutomatonCegarLoop]: Abstraction has 3248 states and 16803 transitions. [2022-07-22 12:48:23,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:48:23,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:48:23,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:48:23,746 INFO L87 Difference]: Start difference. First operand 3248 states and 16803 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:23,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:48:23,950 INFO L93 Difference]: Finished difference Result 4743 states and 23934 transitions. [2022-07-22 12:48:23,950 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4743 states and 23934 transitions. [2022-07-22 12:48:24,027 INFO L131 ngComponentsAnalysis]: Automaton has 360 accepting balls. 360 [2022-07-22 12:48:24,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4743 states to 4518 states and 22447 transitions. [2022-07-22 12:48:24,080 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2583 [2022-07-22 12:48:24,089 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2583 [2022-07-22 12:48:24,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4518 states and 22447 transitions. [2022-07-22 12:48:24,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:24,090 INFO L220 hiAutomatonCegarLoop]: Abstraction has 4518 states and 22447 transitions. [2022-07-22 12:48:24,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4518 states and 22447 transitions. [2022-07-22 12:48:24,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4518 to 4105. [2022-07-22 12:48:24,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4105 states, 4105 states have (on average 5.054323995127893) internal successors, (20748), 4104 states have internal predecessors, (20748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:24,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4105 states to 4105 states and 20748 transitions. [2022-07-22 12:48:24,235 INFO L242 hiAutomatonCegarLoop]: Abstraction has 4105 states and 20748 transitions. [2022-07-22 12:48:24,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:48:24,235 INFO L425 stractBuchiCegarLoop]: Abstraction has 4105 states and 20748 transitions. [2022-07-22 12:48:24,236 INFO L332 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2022-07-22 12:48:24,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4105 states and 20748 transitions. [2022-07-22 12:48:24,280 INFO L131 ngComponentsAnalysis]: Automaton has 348 accepting balls. 348 [2022-07-22 12:48:24,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:24,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:24,281 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:24,281 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:24,282 INFO L748 eck$LassoCheckResult]: Stem: 105129#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 103483#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 103043#[thread1ENTRY, L89-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 103047#[thread1ENTRY, L90-3]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 103643#[thread2ENTRY, thread1ENTRY, L90-4]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 103647#[L91-3, thread1ENTRY, thread2ENTRY]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 103651#[thread2ENTRY, thread1ENTRY, L91-4, thread3ENTRY]don't care [360] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 104513#[L62-4, thread2ENTRY, thread1ENTRY, L91-4]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 104517#[L62-4, thread2ENTRY, L91-4, L41-4]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 107039#[L62-4, thread2ENTRY, L91-4, L41-4]don't care [2022-07-22 12:48:24,282 INFO L750 eck$LassoCheckResult]: Loop: 107039#[L62-4, thread2ENTRY, L91-4, L41-4]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 107039#[L62-4, thread2ENTRY, L91-4, L41-4]don't care [2022-07-22 12:48:24,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:24,283 INFO L85 PathProgramCache]: Analyzing trace with hash -656687552, now seen corresponding path program 1 times [2022-07-22 12:48:24,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:24,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776910127] [2022-07-22 12:48:24,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:24,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:24,298 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:24,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:24,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:24,311 INFO L85 PathProgramCache]: Analyzing trace with hash 516, now seen corresponding path program 4 times [2022-07-22 12:48:24,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:24,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642152884] [2022-07-22 12:48:24,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:24,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:24,316 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:24,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:24,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:24,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1117522853, now seen corresponding path program 2 times [2022-07-22 12:48:24,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:24,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610830918] [2022-07-22 12:48:24,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:24,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:24,334 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:24,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:24,369 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:24,370 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:24,370 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:24,370 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:24,370 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:24,370 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:24,370 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:24,370 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:24,370 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration17_Loop [2022-07-22 12:48:24,370 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:24,370 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:24,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,522 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:24,523 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:24,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:24,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:24,524 INFO L229 MonitoredProcess]: Starting monitored process 246 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:24,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Waiting until timeout for monitored process [2022-07-22 12:48:24,526 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:24,526 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:24,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Ended with exit code 0 [2022-07-22 12:48:24,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:24,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:24,555 INFO L229 MonitoredProcess]: Starting monitored process 247 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:24,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Waiting until timeout for monitored process [2022-07-22 12:48:24,556 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:24,556 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:24,579 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:24,579 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter2~0=0} Honda state: {~counter2~0=0} Generalized eigenvectors: [{~counter2~0=-2}, {~counter2~0=4}, {~counter2~0=-1}] Lambdas: [1, 1, 1] Nus: [0, 0] [2022-07-22 12:48:24,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:24,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:24,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:24,602 INFO L229 MonitoredProcess]: Starting monitored process 248 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:24,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Waiting until timeout for monitored process [2022-07-22 12:48:24,603 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:24,603 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:24,611 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:24,611 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork0_#t~post6=0} Honda state: {thread3Thread1of1ForFork0_#t~post6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:24,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Ended with exit code 0 [2022-07-22 12:48:24,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:24,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:24,636 INFO L229 MonitoredProcess]: Starting monitored process 249 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:24,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Waiting until timeout for monitored process [2022-07-22 12:48:24,637 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:24,638 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:24,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Ended with exit code 0 [2022-07-22 12:48:24,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:24,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:24,669 INFO L229 MonitoredProcess]: Starting monitored process 250 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:24,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Waiting until timeout for monitored process [2022-07-22 12:48:24,670 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:24,670 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:24,819 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:24,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:24,823 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:24,823 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:24,823 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:24,823 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:24,823 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:24,823 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:24,823 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:24,823 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:24,823 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration17_Loop [2022-07-22 12:48:24,823 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:24,823 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:24,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:24,924 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:24,924 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:24,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:24,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:24,926 INFO L229 MonitoredProcess]: Starting monitored process 251 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:24,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Waiting until timeout for monitored process [2022-07-22 12:48:24,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:24,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:24,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:24,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:24,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:24,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:24,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:24,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:24,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:24,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Ended with exit code 0 [2022-07-22 12:48:24,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:24,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:24,962 INFO L229 MonitoredProcess]: Starting monitored process 252 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:24,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Waiting until timeout for monitored process [2022-07-22 12:48:24,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:24,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:24,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:24,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:24,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:24,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:24,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:24,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:25,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Ended with exit code 0 [2022-07-22 12:48:25,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:25,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:25,001 INFO L229 MonitoredProcess]: Starting monitored process 253 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:25,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:25,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Waiting until timeout for monitored process [2022-07-22 12:48:25,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:25,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:25,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:25,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:25,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:25,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:25,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:25,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:25,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:25,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:25,056 INFO L229 MonitoredProcess]: Starting monitored process 254 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:25,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Waiting until timeout for monitored process [2022-07-22 12:48:25,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:25,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:25,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:25,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:25,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:25,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:25,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:25,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:25,067 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:25,070 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:25,070 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:25,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:25,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:25,071 INFO L229 MonitoredProcess]: Starting monitored process 255 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:25,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Waiting until timeout for monitored process [2022-07-22 12:48:25,074 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:25,074 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:25,074 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:25,074 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork0_~i~2, ~M~0) = -1*thread3Thread1of1ForFork0_~i~2 + 1*~M~0 Supporting invariants [] [2022-07-22 12:48:25,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Ended with exit code 0 [2022-07-22 12:48:25,097 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:25,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:25,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:25,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:25,154 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:25,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:25,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:25,155 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:25,155 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4105 states and 20748 transitions. cyclomatic complexity: 17858 Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:25,271 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4105 states and 20748 transitions. cyclomatic complexity: 17858. Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 5940 states and 29993 transitions. Complement of second has 3 states. [2022-07-22 12:48:25,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:25,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:25,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 25 transitions. [2022-07-22 12:48:25,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 25 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:48:25,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:25,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 25 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-22 12:48:25,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:25,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 25 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-22 12:48:25,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:25,273 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5940 states and 29993 transitions. [2022-07-22 12:48:25,368 INFO L131 ngComponentsAnalysis]: Automaton has 360 accepting balls. 360 [2022-07-22 12:48:25,425 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5940 states to 5937 states and 29985 transitions. [2022-07-22 12:48:25,425 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2805 [2022-07-22 12:48:25,439 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3182 [2022-07-22 12:48:25,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5937 states and 29985 transitions. [2022-07-22 12:48:25,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:25,439 INFO L220 hiAutomatonCegarLoop]: Abstraction has 5937 states and 29985 transitions. [2022-07-22 12:48:25,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5937 states and 29985 transitions. [2022-07-22 12:48:25,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:25,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5937 to 4633. [2022-07-22 12:48:25,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4633 states, 4633 states have (on average 5.073170731707317) internal successors, (23504), 4632 states have internal predecessors, (23504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:25,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4633 states to 4633 states and 23504 transitions. [2022-07-22 12:48:25,751 INFO L242 hiAutomatonCegarLoop]: Abstraction has 4633 states and 23504 transitions. [2022-07-22 12:48:25,751 INFO L425 stractBuchiCegarLoop]: Abstraction has 4633 states and 23504 transitions. [2022-07-22 12:48:25,752 INFO L332 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2022-07-22 12:48:25,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4633 states and 23504 transitions. [2022-07-22 12:48:25,789 INFO L131 ngComponentsAnalysis]: Automaton has 354 accepting balls. 354 [2022-07-22 12:48:25,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:25,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:25,790 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:25,790 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:25,791 INFO L748 eck$LassoCheckResult]: Stem: 119317#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 117665#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 117249#[thread1ENTRY, L89-4]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 117251#[L89-4, L41-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 117627#[L90-3, L41-4]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 119575#[thread2ENTRY, L41-4, L90-4]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 119579#[L91-3, L41-4, thread2ENTRY]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 120033#[thread2ENTRY, L91-4, thread3ENTRY, L41-4]don't care [360] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 120547#[L62-4, thread2ENTRY, L91-4, L41-4]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 122035#[L62-4, thread2ENTRY, L91-4, L41-4]don't care [350] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 122547#[L62-4, L91-4, L51-4, L41-4]don't care [2022-07-22 12:48:25,791 INFO L750 eck$LassoCheckResult]: Loop: 122547#[L62-4, L91-4, L51-4, L41-4]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 122547#[L62-4, L91-4, L51-4, L41-4]don't care [2022-07-22 12:48:25,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:25,791 INFO L85 PathProgramCache]: Analyzing trace with hash 460468734, now seen corresponding path program 1 times [2022-07-22 12:48:25,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:25,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135991592] [2022-07-22 12:48:25,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:25,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:25,808 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:25,820 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:25,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:25,821 INFO L85 PathProgramCache]: Analyzing trace with hash 516, now seen corresponding path program 5 times [2022-07-22 12:48:25,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:25,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119865359] [2022-07-22 12:48:25,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:25,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:25,825 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:25,828 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:25,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:25,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1389629351, now seen corresponding path program 2 times [2022-07-22 12:48:25,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:25,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166005714] [2022-07-22 12:48:25,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:25,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:25,843 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:25,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:25,868 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:25,868 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:25,868 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:25,869 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:25,869 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:25,869 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:25,869 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:25,869 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:25,869 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration18_Loop [2022-07-22 12:48:25,869 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:25,869 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:25,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:25,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:25,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:25,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:25,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:25,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:25,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:25,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:25,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:25,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:25,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:25,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:26,032 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:26,033 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:26,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:26,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:26,034 INFO L229 MonitoredProcess]: Starting monitored process 256 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:26,040 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:26,041 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:26,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Waiting until timeout for monitored process [2022-07-22 12:48:26,060 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:26,061 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_35=-1} Honda state: {v_rep#funAddr~thread1.base_35=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:26,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:26,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:26,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:26,096 INFO L229 MonitoredProcess]: Starting monitored process 257 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:26,098 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:26,098 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:26,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Waiting until timeout for monitored process [2022-07-22 12:48:26,118 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:26,118 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_35=-1} Honda state: {v_rep#funAddr~thread4.base_35=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:26,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:26,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:26,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:26,142 INFO L229 MonitoredProcess]: Starting monitored process 258 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:26,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Waiting until timeout for monitored process [2022-07-22 12:48:26,143 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:26,144 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:26,156 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:26,156 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_35=0} Honda state: {v_rep#funAddr~thread1.offset_35=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:26,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Ended with exit code 0 [2022-07-22 12:48:26,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:26,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:26,179 INFO L229 MonitoredProcess]: Starting monitored process 259 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:26,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Waiting until timeout for monitored process [2022-07-22 12:48:26,180 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:26,180 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:26,194 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:26,194 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_35=-1} Honda state: {v_rep#funAddr~thread2.base_35=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:26,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:26,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:26,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:26,216 INFO L229 MonitoredProcess]: Starting monitored process 260 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:26,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Waiting until timeout for monitored process [2022-07-22 12:48:26,217 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:26,217 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:26,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:26,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:26,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:26,247 INFO L229 MonitoredProcess]: Starting monitored process 261 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:26,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Waiting until timeout for monitored process [2022-07-22 12:48:26,248 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:26,248 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:26,400 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:26,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Ended with exit code 0 [2022-07-22 12:48:26,402 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:26,402 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:26,402 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:26,402 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:26,402 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:26,402 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:26,403 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:26,403 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:26,403 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration18_Loop [2022-07-22 12:48:26,403 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:26,403 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:26,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:26,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:26,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:26,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:26,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:26,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:26,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:26,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:26,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:26,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:26,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:26,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:26,512 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:26,512 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:26,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:26,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:26,513 INFO L229 MonitoredProcess]: Starting monitored process 262 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:26,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Waiting until timeout for monitored process [2022-07-22 12:48:26,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:26,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:26,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:26,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:26,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:26,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:26,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:26,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:26,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Ended with exit code 0 [2022-07-22 12:48:26,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:26,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:26,550 INFO L229 MonitoredProcess]: Starting monitored process 263 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:26,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Waiting until timeout for monitored process [2022-07-22 12:48:26,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:26,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:26,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:26,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:26,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:26,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:26,560 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:26,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:26,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Ended with exit code 0 [2022-07-22 12:48:26,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:26,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:26,588 INFO L229 MonitoredProcess]: Starting monitored process 264 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:26,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Waiting until timeout for monitored process [2022-07-22 12:48:26,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:26,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:26,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:26,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:26,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:26,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:26,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:26,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:26,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Ended with exit code 0 [2022-07-22 12:48:26,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:26,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:26,623 INFO L229 MonitoredProcess]: Starting monitored process 265 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:26,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Waiting until timeout for monitored process [2022-07-22 12:48:26,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:26,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:26,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:26,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:26,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:26,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:26,640 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:26,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:26,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Ended with exit code 0 [2022-07-22 12:48:26,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:26,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:26,665 INFO L229 MonitoredProcess]: Starting monitored process 266 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:26,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Waiting until timeout for monitored process [2022-07-22 12:48:26,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:26,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:26,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:26,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:26,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:26,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:26,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:26,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:26,684 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:26,687 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:26,687 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:26,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:26,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:26,689 INFO L229 MonitoredProcess]: Starting monitored process 267 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:26,695 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:26,696 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:26,696 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:26,696 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~M~0, thread3Thread1of1ForFork0_~i~2) = 1*~M~0 - 1*thread3Thread1of1ForFork0_~i~2 Supporting invariants [] [2022-07-22 12:48:26,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Waiting until timeout for monitored process [2022-07-22 12:48:26,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:26,729 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:26,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:26,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:26,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:26,777 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:26,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:26,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:26,778 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:26,778 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4633 states and 23504 transitions. cyclomatic complexity: 20246 Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:26,911 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4633 states and 23504 transitions. cyclomatic complexity: 20246. Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6484 states and 32694 transitions. Complement of second has 3 states. [2022-07-22 12:48:26,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:26,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:26,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 22 transitions. [2022-07-22 12:48:26,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-22 12:48:26,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:26,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 11 letters. Loop has 1 letters. [2022-07-22 12:48:26,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:26,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 10 letters. Loop has 2 letters. [2022-07-22 12:48:26,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:26,912 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6484 states and 32694 transitions. [2022-07-22 12:48:26,997 INFO L131 ngComponentsAnalysis]: Automaton has 348 accepting balls. 348 [2022-07-22 12:48:27,054 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6484 states to 6484 states and 32694 transitions. [2022-07-22 12:48:27,054 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2894 [2022-07-22 12:48:27,066 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3350 [2022-07-22 12:48:27,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6484 states and 32694 transitions. [2022-07-22 12:48:27,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:27,067 INFO L220 hiAutomatonCegarLoop]: Abstraction has 6484 states and 32694 transitions. [2022-07-22 12:48:27,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6484 states and 32694 transitions. [2022-07-22 12:48:27,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6484 to 4719. [2022-07-22 12:48:27,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4719 states, 4719 states have (on average 5.059122695486332) internal successors, (23874), 4718 states have internal predecessors, (23874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:27,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4719 states to 4719 states and 23874 transitions. [2022-07-22 12:48:27,292 INFO L242 hiAutomatonCegarLoop]: Abstraction has 4719 states and 23874 transitions. [2022-07-22 12:48:27,292 INFO L425 stractBuchiCegarLoop]: Abstraction has 4719 states and 23874 transitions. [2022-07-22 12:48:27,292 INFO L332 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2022-07-22 12:48:27,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4719 states and 23874 transitions. [2022-07-22 12:48:27,349 INFO L131 ngComponentsAnalysis]: Automaton has 348 accepting balls. 348 [2022-07-22 12:48:27,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:27,349 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:27,350 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:27,350 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:27,351 INFO L748 eck$LassoCheckResult]: Stem: 135176#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 133464#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 133046#[thread1ENTRY, L89-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 133050#[thread1ENTRY, L90-3]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 133604#[thread2ENTRY, thread1ENTRY, L90-4]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 133608#[L91-3, thread1ENTRY, thread2ENTRY]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 133612#[thread2ENTRY, thread1ENTRY, L91-4, thread3ENTRY]don't care [483] L91-4-->L92-3: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (select |v_#length_75| |v_ULTIMATE.start_main_~#t4~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre17#1_21| |v_#pthreadsForks_54|) (= (+ |v_#pthreadsForks_54| 1) |v_#pthreadsForks_53|) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) 1) (= (store |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31| (store (select |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) |v_ULTIMATE.start_main_~#t4~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre17#1_21|)) |v_#memory_int_55|)) InVars {#pthreadsForks=|v_#pthreadsForks_54|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_56|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_11|, #pthreadsForks=|v_#pthreadsForks_53|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_55|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet16#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~pre17#1] 134396#[thread2ENTRY, thread1ENTRY, L92-3, thread3ENTRY]don't care [360] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 134400#[L62-4, thread2ENTRY, thread1ENTRY, L92-3]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 135240#[L62-4, thread2ENTRY, thread1ENTRY, L92-3]don't care [388] L92-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre17#1_6| v_thread4Thread1of1ForFork2_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 136364#[thread2ENTRY, L92-4, thread4ENTRY, L62-4, thread1ENTRY]don't care [2022-07-22 12:48:27,351 INFO L750 eck$LassoCheckResult]: Loop: 136364#[thread2ENTRY, L92-4, thread4ENTRY, L62-4, thread1ENTRY]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 136364#[thread2ENTRY, L92-4, thread4ENTRY, L62-4, thread1ENTRY]don't care [2022-07-22 12:48:27,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:27,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1121206269, now seen corresponding path program 1 times [2022-07-22 12:48:27,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:27,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808194040] [2022-07-22 12:48:27,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:27,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:27,369 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:27,382 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:27,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:27,383 INFO L85 PathProgramCache]: Analyzing trace with hash 516, now seen corresponding path program 6 times [2022-07-22 12:48:27,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:27,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768195004] [2022-07-22 12:48:27,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:27,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:27,388 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:27,391 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:27,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:27,391 INFO L85 PathProgramCache]: Analyzing trace with hash 397656456, now seen corresponding path program 2 times [2022-07-22 12:48:27,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:27,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958535350] [2022-07-22 12:48:27,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:27,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:27,409 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:27,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:27,443 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:27,443 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:27,443 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:27,443 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:27,443 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:27,443 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:27,443 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:27,444 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:27,444 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration19_Loop [2022-07-22 12:48:27,444 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:27,444 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:27,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:27,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:27,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:27,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:27,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:27,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:27,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:27,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:27,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:27,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:27,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:27,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:27,550 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:27,550 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:27,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:27,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:27,551 INFO L229 MonitoredProcess]: Starting monitored process 268 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:27,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Waiting until timeout for monitored process [2022-07-22 12:48:27,553 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:27,553 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:27,566 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:27,567 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_37=3} Honda state: {v_rep#funAddr~thread4.offset_37=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:27,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:27,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:27,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:27,591 INFO L229 MonitoredProcess]: Starting monitored process 269 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:27,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Waiting until timeout for monitored process [2022-07-22 12:48:27,592 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:27,592 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:27,604 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:27,604 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_37=-1} Honda state: {v_rep#funAddr~thread4.base_37=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:27,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:27,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:27,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:27,627 INFO L229 MonitoredProcess]: Starting monitored process 270 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:27,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Waiting until timeout for monitored process [2022-07-22 12:48:27,628 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:27,628 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:27,641 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:27,641 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_37=-1} Honda state: {v_rep#funAddr~thread1.base_37=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:27,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:27,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:27,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:27,663 INFO L229 MonitoredProcess]: Starting monitored process 271 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:27,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Waiting until timeout for monitored process [2022-07-22 12:48:27,664 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:27,664 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:27,679 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:27,679 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_37=-1} Honda state: {v_rep#funAddr~thread3.base_37=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:27,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:27,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:27,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:27,704 INFO L229 MonitoredProcess]: Starting monitored process 272 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:27,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Waiting until timeout for monitored process [2022-07-22 12:48:27,705 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:27,706 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:27,719 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:27,719 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_37=0} Honda state: {v_rep#funAddr~thread1.offset_37=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:27,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:27,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:27,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:27,742 INFO L229 MonitoredProcess]: Starting monitored process 273 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:27,749 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:27,749 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:27,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Waiting until timeout for monitored process [2022-07-22 12:48:27,762 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:27,762 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_37=-1} Honda state: {v_rep#funAddr~thread2.base_37=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:27,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Ended with exit code 0 [2022-07-22 12:48:27,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:27,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:27,786 INFO L229 MonitoredProcess]: Starting monitored process 274 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:27,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Waiting until timeout for monitored process [2022-07-22 12:48:27,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:27,787 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:27,802 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:27,802 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_37=1} Honda state: {v_rep#funAddr~thread2.offset_37=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:27,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Ended with exit code 0 [2022-07-22 12:48:27,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:27,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:27,826 INFO L229 MonitoredProcess]: Starting monitored process 275 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:27,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Waiting until timeout for monitored process [2022-07-22 12:48:27,827 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:27,827 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:27,835 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:27,835 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork0_#t~post5=0} Honda state: {thread3Thread1of1ForFork0_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:27,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Ended with exit code 0 [2022-07-22 12:48:27,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:27,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:27,858 INFO L229 MonitoredProcess]: Starting monitored process 276 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:27,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Waiting until timeout for monitored process [2022-07-22 12:48:27,939 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:27,939 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:27,960 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:27,960 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.offset_37=2} Honda state: {v_rep#funAddr~thread3.offset_37=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:27,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:27,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Ended with exit code 0 [2022-07-22 12:48:27,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:27,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:27,986 INFO L229 MonitoredProcess]: Starting monitored process 277 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:27,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Waiting until timeout for monitored process [2022-07-22 12:48:27,987 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:27,987 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:28,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Ended with exit code 0 [2022-07-22 12:48:28,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:28,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:28,017 INFO L229 MonitoredProcess]: Starting monitored process 278 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:28,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Waiting until timeout for monitored process [2022-07-22 12:48:28,019 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:28,020 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:28,195 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:28,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:28,198 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:28,198 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:28,198 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:28,198 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:28,198 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:28,198 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:28,198 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:28,198 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:28,198 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration19_Loop [2022-07-22 12:48:28,198 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:28,199 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:28,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:28,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:28,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:28,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:28,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:28,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:28,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:28,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:28,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:28,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:28,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:28,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:28,304 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:28,304 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:28,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:28,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:28,305 INFO L229 MonitoredProcess]: Starting monitored process 279 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:28,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Waiting until timeout for monitored process [2022-07-22 12:48:28,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:28,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:28,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:28,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:28,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:28,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:28,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:28,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:28,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:28,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:28,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:28,341 INFO L229 MonitoredProcess]: Starting monitored process 280 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:28,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Waiting until timeout for monitored process [2022-07-22 12:48:28,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:28,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:28,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:28,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:28,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:28,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:28,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:28,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:28,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:28,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:28,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:28,375 INFO L229 MonitoredProcess]: Starting monitored process 281 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:28,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:28,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Waiting until timeout for monitored process [2022-07-22 12:48:28,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:28,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:28,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:28,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:28,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:28,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:28,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:28,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Ended with exit code 0 [2022-07-22 12:48:28,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:28,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:28,409 INFO L229 MonitoredProcess]: Starting monitored process 282 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:28,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Waiting until timeout for monitored process [2022-07-22 12:48:28,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:28,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:28,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:28,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:28,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:28,418 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:28,418 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:28,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:28,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Ended with exit code 0 [2022-07-22 12:48:28,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:28,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:28,444 INFO L229 MonitoredProcess]: Starting monitored process 283 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:28,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Waiting until timeout for monitored process [2022-07-22 12:48:28,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:28,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:28,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:28,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:28,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:28,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:28,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:28,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:28,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Ended with exit code 0 [2022-07-22 12:48:28,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:28,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:28,479 INFO L229 MonitoredProcess]: Starting monitored process 284 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:28,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Waiting until timeout for monitored process [2022-07-22 12:48:28,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:28,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:28,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:28,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:28,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:28,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:28,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:28,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:28,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Ended with exit code 0 [2022-07-22 12:48:28,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:28,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:28,514 INFO L229 MonitoredProcess]: Starting monitored process 285 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:28,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (285)] Waiting until timeout for monitored process [2022-07-22 12:48:28,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:28,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:28,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:28,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:28,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:28,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:28,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:28,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:28,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (285)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:28,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:28,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:28,552 INFO L229 MonitoredProcess]: Starting monitored process 286 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:28,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Waiting until timeout for monitored process [2022-07-22 12:48:28,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:28,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:28,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:28,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:28,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:28,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:28,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:28,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:28,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:28,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Ended with exit code 0 [2022-07-22 12:48:28,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:28,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:28,585 INFO L229 MonitoredProcess]: Starting monitored process 287 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:28,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Waiting until timeout for monitored process [2022-07-22 12:48:28,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:28,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:28,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:28,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:28,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:28,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:28,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:28,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:28,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Ended with exit code 0 [2022-07-22 12:48:28,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:28,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:28,639 INFO L229 MonitoredProcess]: Starting monitored process 288 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:28,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Waiting until timeout for monitored process [2022-07-22 12:48:28,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:28,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:28,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:28,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:28,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:28,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:28,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:28,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:28,651 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:28,655 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:28,655 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:28,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:28,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:28,657 INFO L229 MonitoredProcess]: Starting monitored process 289 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:28,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Waiting until timeout for monitored process [2022-07-22 12:48:28,658 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:28,658 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:28,658 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:28,658 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~M~0, thread3Thread1of1ForFork0_~i~2) = 1*~M~0 - 1*thread3Thread1of1ForFork0_~i~2 Supporting invariants [] [2022-07-22 12:48:28,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Ended with exit code 0 [2022-07-22 12:48:28,682 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:28,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:28,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:28,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:28,740 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:28,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:28,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:28,741 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:28,741 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4719 states and 23874 transitions. cyclomatic complexity: 20524 Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:28,835 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4719 states and 23874 transitions. cyclomatic complexity: 20524. Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 5399 states and 27426 transitions. Complement of second has 3 states. [2022-07-22 12:48:28,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:28,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:28,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 18 transitions. [2022-07-22 12:48:28,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 18 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-22 12:48:28,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:28,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 18 transitions. Stem has 11 letters. Loop has 1 letters. [2022-07-22 12:48:28,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:28,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 18 transitions. Stem has 10 letters. Loop has 2 letters. [2022-07-22 12:48:28,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:28,838 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5399 states and 27426 transitions. [2022-07-22 12:48:28,902 INFO L131 ngComponentsAnalysis]: Automaton has 341 accepting balls. 341 [2022-07-22 12:48:28,942 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5399 states to 5399 states and 27426 transitions. [2022-07-22 12:48:28,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2700 [2022-07-22 12:48:28,955 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2862 [2022-07-22 12:48:28,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5399 states and 27426 transitions. [2022-07-22 12:48:28,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:28,955 INFO L220 hiAutomatonCegarLoop]: Abstraction has 5399 states and 27426 transitions. [2022-07-22 12:48:28,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5399 states and 27426 transitions. [2022-07-22 12:48:29,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5399 to 4801. [2022-07-22 12:48:29,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4801 states, 4801 states have (on average 5.045615496771506) internal successors, (24224), 4800 states have internal predecessors, (24224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4801 states to 4801 states and 24224 transitions. [2022-07-22 12:48:29,109 INFO L242 hiAutomatonCegarLoop]: Abstraction has 4801 states and 24224 transitions. [2022-07-22 12:48:29,110 INFO L425 stractBuchiCegarLoop]: Abstraction has 4801 states and 24224 transitions. [2022-07-22 12:48:29,110 INFO L332 stractBuchiCegarLoop]: ======== Iteration 20 ============ [2022-07-22 12:48:29,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4801 states and 24224 transitions. [2022-07-22 12:48:29,157 INFO L131 ngComponentsAnalysis]: Automaton has 341 accepting balls. 341 [2022-07-22 12:48:29,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:29,157 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:29,158 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:29,158 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:29,158 INFO L748 eck$LassoCheckResult]: Stem: 150050#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 148350#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 147938#[thread1ENTRY, L89-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 147942#[thread1ENTRY, L90-3]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 148512#[thread2ENTRY, thread1ENTRY, L90-4]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 148516#[L91-3, thread1ENTRY, thread2ENTRY]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 148520#[thread2ENTRY, thread1ENTRY, L91-4, thread3ENTRY]don't care [360] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 149428#[L62-4, thread2ENTRY, thread1ENTRY, L91-4]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 149436#[L62-4, thread2ENTRY, thread1ENTRY, L91-4]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 151578#[L62-4, thread2ENTRY, L91-4, L41-4]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 152812#[L62-4, thread2ENTRY, L91-4, L41-4]don't care [2022-07-22 12:48:29,159 INFO L750 eck$LassoCheckResult]: Loop: 152812#[L62-4, thread2ENTRY, L91-4, L41-4]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 152812#[L62-4, thread2ENTRY, L91-4, L41-4]don't care [2022-07-22 12:48:29,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:29,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1117657703, now seen corresponding path program 3 times [2022-07-22 12:48:29,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:29,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432150084] [2022-07-22 12:48:29,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:29,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:29,173 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:29,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:29,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:29,185 INFO L85 PathProgramCache]: Analyzing trace with hash 516, now seen corresponding path program 7 times [2022-07-22 12:48:29,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:29,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684073745] [2022-07-22 12:48:29,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:29,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:29,189 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:29,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:29,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:29,192 INFO L85 PathProgramCache]: Analyzing trace with hash 287650910, now seen corresponding path program 4 times [2022-07-22 12:48:29,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:29,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377316897] [2022-07-22 12:48:29,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:29,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:29,206 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:29,220 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:29,244 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:29,244 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:29,244 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:29,244 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:29,244 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:29,244 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:29,244 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:29,245 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:29,245 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration20_Loop [2022-07-22 12:48:29,245 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:29,245 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:29,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,339 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:29,339 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:29,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:29,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:29,341 INFO L229 MonitoredProcess]: Starting monitored process 290 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:29,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Waiting until timeout for monitored process [2022-07-22 12:48:29,346 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:29,346 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:29,358 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:29,358 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_39=3} Honda state: {v_rep#funAddr~thread4.offset_39=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:29,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:29,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:29,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:29,380 INFO L229 MonitoredProcess]: Starting monitored process 291 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:29,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Waiting until timeout for monitored process [2022-07-22 12:48:29,381 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:29,381 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:29,394 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:29,394 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.offset_39=2} Honda state: {v_rep#funAddr~thread3.offset_39=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:29,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Ended with exit code 0 [2022-07-22 12:48:29,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:29,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:29,416 INFO L229 MonitoredProcess]: Starting monitored process 292 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:29,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Waiting until timeout for monitored process [2022-07-22 12:48:29,418 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:29,418 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:29,431 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:29,431 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_39=0} Honda state: {v_rep#funAddr~thread1.offset_39=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:29,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:29,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:29,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:29,454 INFO L229 MonitoredProcess]: Starting monitored process 293 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:29,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Waiting until timeout for monitored process [2022-07-22 12:48:29,455 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:29,455 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:29,467 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:29,467 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_39=-1} Honda state: {v_rep#funAddr~thread4.base_39=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:29,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Ended with exit code 0 [2022-07-22 12:48:29,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:29,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:29,490 INFO L229 MonitoredProcess]: Starting monitored process 294 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:29,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Waiting until timeout for monitored process [2022-07-22 12:48:29,490 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:29,490 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:29,504 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:29,504 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_39=-1} Honda state: {v_rep#funAddr~thread3.base_39=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:29,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:29,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:29,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:29,527 INFO L229 MonitoredProcess]: Starting monitored process 295 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:29,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Waiting until timeout for monitored process [2022-07-22 12:48:29,528 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:29,528 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:29,541 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:29,542 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_39=1} Honda state: {v_rep#funAddr~thread2.offset_39=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:29,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Ended with exit code 0 [2022-07-22 12:48:29,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:29,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:29,565 INFO L229 MonitoredProcess]: Starting monitored process 296 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:29,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Waiting until timeout for monitored process [2022-07-22 12:48:29,566 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:29,566 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:29,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:29,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:29,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:29,597 INFO L229 MonitoredProcess]: Starting monitored process 297 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:29,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Waiting until timeout for monitored process [2022-07-22 12:48:29,598 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:29,598 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:29,748 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:29,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Ended with exit code 0 [2022-07-22 12:48:29,751 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:29,751 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:29,751 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:29,751 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:29,751 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:29,751 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:29,751 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:29,751 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:29,751 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration20_Loop [2022-07-22 12:48:29,751 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:29,751 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:29,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:29,865 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:29,865 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:29,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:29,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:29,867 INFO L229 MonitoredProcess]: Starting monitored process 298 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:29,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Waiting until timeout for monitored process [2022-07-22 12:48:29,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:29,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:29,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:29,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:29,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:29,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:29,876 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:29,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:29,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Ended with exit code 0 [2022-07-22 12:48:29,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:29,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:29,902 INFO L229 MonitoredProcess]: Starting monitored process 299 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:29,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Waiting until timeout for monitored process [2022-07-22 12:48:29,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:29,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:29,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:29,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:29,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:29,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:29,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:29,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:29,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Ended with exit code 0 [2022-07-22 12:48:29,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:29,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:29,937 INFO L229 MonitoredProcess]: Starting monitored process 300 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:29,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Waiting until timeout for monitored process [2022-07-22 12:48:29,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:29,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:29,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:29,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:29,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:29,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:29,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:29,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:29,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Ended with exit code 0 [2022-07-22 12:48:29,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:29,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:29,972 INFO L229 MonitoredProcess]: Starting monitored process 301 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:29,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Waiting until timeout for monitored process [2022-07-22 12:48:29,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:29,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:29,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:29,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:29,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:29,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:29,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:29,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:29,983 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:29,988 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:29,988 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:29,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:29,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:29,989 INFO L229 MonitoredProcess]: Starting monitored process 302 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:29,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Waiting until timeout for monitored process [2022-07-22 12:48:29,990 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:29,990 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:29,990 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:29,990 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~M~0, thread3Thread1of1ForFork0_~i~2) = 1*~M~0 - 1*thread3Thread1of1ForFork0_~i~2 Supporting invariants [] [2022-07-22 12:48:30,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:30,014 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:30,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:30,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:30,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:30,079 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:30,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:30,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:30,080 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:30,080 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4801 states and 24224 transitions. cyclomatic complexity: 20790 Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:30,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:30,308 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4801 states and 24224 transitions. cyclomatic complexity: 20790. Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6222 states and 31393 transitions. Complement of second has 3 states. [2022-07-22 12:48:30,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:30,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:30,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 25 transitions. [2022-07-22 12:48:30,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 25 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-22 12:48:30,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:30,310 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:48:30,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:30,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:30,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:30,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:30,377 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:30,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:30,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:30,378 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:30,378 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4801 states and 24224 transitions. cyclomatic complexity: 20790 Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:30,507 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4801 states and 24224 transitions. cyclomatic complexity: 20790. Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6222 states and 31393 transitions. Complement of second has 3 states. [2022-07-22 12:48:30,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:30,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:30,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 25 transitions. [2022-07-22 12:48:30,508 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 25 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-22 12:48:30,508 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:30,509 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:48:30,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:30,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:30,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:30,562 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:30,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:30,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:30,564 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:30,564 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4801 states and 24224 transitions. cyclomatic complexity: 20790 Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:30,691 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4801 states and 24224 transitions. cyclomatic complexity: 20790. Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6604 states and 33736 transitions. Complement of second has 2 states. [2022-07-22 12:48:30,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:30,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:30,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 29 transitions. [2022-07-22 12:48:30,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-22 12:48:30,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:30,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 11 letters. Loop has 1 letters. [2022-07-22 12:48:30,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:30,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 10 letters. Loop has 2 letters. [2022-07-22 12:48:30,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:30,695 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6604 states and 33736 transitions. [2022-07-22 12:48:30,775 INFO L131 ngComponentsAnalysis]: Automaton has 216 accepting balls. 444 [2022-07-22 12:48:30,825 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6604 states to 6102 states and 30549 transitions. [2022-07-22 12:48:30,825 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2703 [2022-07-22 12:48:30,834 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3019 [2022-07-22 12:48:30,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6102 states and 30549 transitions. [2022-07-22 12:48:30,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:30,835 INFO L220 hiAutomatonCegarLoop]: Abstraction has 6102 states and 30549 transitions. [2022-07-22 12:48:30,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6102 states and 30549 transitions. [2022-07-22 12:48:30,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6102 to 4390. [2022-07-22 12:48:30,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4390 states, 4390 states have (on average 4.926423690205011) internal successors, (21627), 4389 states have internal predecessors, (21627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:30,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4390 states to 4390 states and 21627 transitions. [2022-07-22 12:48:30,982 INFO L242 hiAutomatonCegarLoop]: Abstraction has 4390 states and 21627 transitions. [2022-07-22 12:48:30,983 INFO L425 stractBuchiCegarLoop]: Abstraction has 4390 states and 21627 transitions. [2022-07-22 12:48:30,983 INFO L332 stractBuchiCegarLoop]: ======== Iteration 21 ============ [2022-07-22 12:48:30,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4390 states and 21627 transitions. [2022-07-22 12:48:31,029 INFO L131 ngComponentsAnalysis]: Automaton has 210 accepting balls. 362 [2022-07-22 12:48:31,030 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:31,030 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:31,031 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:31,031 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:31,031 INFO L748 eck$LassoCheckResult]: Stem: 178732#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 177072#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 176674#[thread1ENTRY, L89-4]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 176676#[L89-4, L41-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 177028#[L89-4, L41-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 177034#[L89-4, L41-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 180904#[L90-3, L41-4]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 180900#[thread2ENTRY, L41-4, L90-4]don't care [350] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 176788#[L51-4, L41-4, L90-4]don't care [476] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_~i~1#1_27| (+ |v_thread2Thread1of1ForFork3_~i~1#1_28| 1)) (< |v_thread2Thread1of1ForFork3_~i~1#1_28| v_~N~0_27) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|) (= (+ v_~counter1~0_60 1) v_~counter1~0_61) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| 0)) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9| (ite (< 0 v_~counter1~0_61) 1 0))) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_28|, ~counter1~0=v_~counter1~0_61, ~N~0=v_~N~0_27} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_9|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_13|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_27|, ~counter1~0=v_~counter1~0_60, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 176786#[L51-4, L41-4, L90-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 182574#[L51-4, L41-4, L90-4]don't care [476] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_~i~1#1_27| (+ |v_thread2Thread1of1ForFork3_~i~1#1_28| 1)) (< |v_thread2Thread1of1ForFork3_~i~1#1_28| v_~N~0_27) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|) (= (+ v_~counter1~0_60 1) v_~counter1~0_61) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| 0)) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9| (ite (< 0 v_~counter1~0_61) 1 0))) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_28|, ~counter1~0=v_~counter1~0_61, ~N~0=v_~N~0_27} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_9|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_13|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_27|, ~counter1~0=v_~counter1~0_60, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 182868#[L51-4, L41-4, L90-4]don't care [2022-07-22 12:48:31,032 INFO L750 eck$LassoCheckResult]: Loop: 182868#[L51-4, L41-4, L90-4]don't care [476] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_~i~1#1_27| (+ |v_thread2Thread1of1ForFork3_~i~1#1_28| 1)) (< |v_thread2Thread1of1ForFork3_~i~1#1_28| v_~N~0_27) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|) (= (+ v_~counter1~0_60 1) v_~counter1~0_61) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| 0)) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9| (ite (< 0 v_~counter1~0_61) 1 0))) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_28|, ~counter1~0=v_~counter1~0_61, ~N~0=v_~N~0_27} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_9|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_13|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_27|, ~counter1~0=v_~counter1~0_60, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 182868#[L51-4, L41-4, L90-4]don't care [2022-07-22 12:48:31,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:31,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1805258472, now seen corresponding path program 4 times [2022-07-22 12:48:31,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:31,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169669739] [2022-07-22 12:48:31,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:31,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:31,047 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:31,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:31,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:31,060 INFO L85 PathProgramCache]: Analyzing trace with hash 507, now seen corresponding path program 5 times [2022-07-22 12:48:31,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:31,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72101510] [2022-07-22 12:48:31,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:31,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:31,065 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:31,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:31,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:31,069 INFO L85 PathProgramCache]: Analyzing trace with hash -128437308, now seen corresponding path program 5 times [2022-07-22 12:48:31,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:31,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303174294] [2022-07-22 12:48:31,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:31,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:31,088 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:31,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:31,141 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:31,141 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:31,142 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:31,142 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:31,142 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:31,142 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:31,142 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:31,142 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:31,142 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration21_Loop [2022-07-22 12:48:31,142 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:31,142 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:31,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,250 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:31,250 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:31,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:31,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:31,252 INFO L229 MonitoredProcess]: Starting monitored process 303 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:31,254 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:31,254 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:31,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Waiting until timeout for monitored process [2022-07-22 12:48:31,274 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:31,274 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_#t~post3#1=0} Honda state: {thread2Thread1of1ForFork3_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:31,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:31,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:31,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:31,307 INFO L229 MonitoredProcess]: Starting monitored process 304 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:31,309 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:31,309 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:31,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (304)] Waiting until timeout for monitored process [2022-07-22 12:48:31,323 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:31,323 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_41=0} Honda state: {v_rep#funAddr~thread1.offset_41=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:31,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (304)] Ended with exit code 0 [2022-07-22 12:48:31,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:31,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:31,346 INFO L229 MonitoredProcess]: Starting monitored process 305 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:31,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Waiting until timeout for monitored process [2022-07-22 12:48:31,347 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:31,347 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:31,359 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:31,359 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_41=-1} Honda state: {v_rep#funAddr~thread2.base_41=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:31,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:31,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:31,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:31,383 INFO L229 MonitoredProcess]: Starting monitored process 306 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:31,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Waiting until timeout for monitored process [2022-07-22 12:48:31,384 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:31,384 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:31,396 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:31,396 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_41=-1} Honda state: {v_rep#funAddr~thread1.base_41=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:31,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:31,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:31,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:31,419 INFO L229 MonitoredProcess]: Starting monitored process 307 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:31,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Waiting until timeout for monitored process [2022-07-22 12:48:31,420 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:31,420 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:31,427 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:31,427 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_#t~post4#1=0} Honda state: {thread2Thread1of1ForFork3_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:31,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Ended with exit code 0 [2022-07-22 12:48:31,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:31,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:31,451 INFO L229 MonitoredProcess]: Starting monitored process 308 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:31,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Waiting until timeout for monitored process [2022-07-22 12:48:31,452 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:31,452 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:31,466 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:31,466 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_41=-1} Honda state: {v_rep#funAddr~thread4.base_41=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:31,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Ended with exit code 0 [2022-07-22 12:48:31,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:31,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:31,488 INFO L229 MonitoredProcess]: Starting monitored process 309 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:31,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Waiting until timeout for monitored process [2022-07-22 12:48:31,489 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:31,489 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:31,502 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:31,502 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.offset_41=2} Honda state: {v_rep#funAddr~thread3.offset_41=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:31,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Ended with exit code 0 [2022-07-22 12:48:31,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:31,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:31,524 INFO L229 MonitoredProcess]: Starting monitored process 310 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:31,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Waiting until timeout for monitored process [2022-07-22 12:48:31,567 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:31,567 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:31,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:31,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:31,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:31,605 INFO L229 MonitoredProcess]: Starting monitored process 311 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:31,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Waiting until timeout for monitored process [2022-07-22 12:48:31,607 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:31,607 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:31,748 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:31,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Ended with exit code 0 [2022-07-22 12:48:31,750 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:31,751 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:31,751 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:31,751 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:31,751 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:31,751 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:31,751 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:31,751 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:31,751 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration21_Loop [2022-07-22 12:48:31,751 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:31,752 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:31,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:31,882 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:31,883 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:31,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:31,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:31,884 INFO L229 MonitoredProcess]: Starting monitored process 312 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:31,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Waiting until timeout for monitored process [2022-07-22 12:48:31,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:31,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:31,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:31,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:31,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:31,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:31,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:31,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:31,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:31,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Ended with exit code 0 [2022-07-22 12:48:31,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:31,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:31,915 INFO L229 MonitoredProcess]: Starting monitored process 313 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:31,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Waiting until timeout for monitored process [2022-07-22 12:48:31,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:31,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:31,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:31,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:31,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:31,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:31,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:31,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:31,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:31,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:31,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:31,982 INFO L229 MonitoredProcess]: Starting monitored process 314 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:31,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Waiting until timeout for monitored process [2022-07-22 12:48:31,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:31,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:31,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:31,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:31,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:31,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:31,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:32,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:32,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:32,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:32,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:32,049 INFO L229 MonitoredProcess]: Starting monitored process 315 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:32,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:32,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:32,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:32,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:32,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:32,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:32,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:32,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Waiting until timeout for monitored process [2022-07-22 12:48:32,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:32,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Ended with exit code 0 [2022-07-22 12:48:32,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:32,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:32,104 INFO L229 MonitoredProcess]: Starting monitored process 316 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:32,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Waiting until timeout for monitored process [2022-07-22 12:48:32,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:32,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:32,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:32,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:32,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:32,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:32,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:32,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:32,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:32,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Ended with exit code 0 [2022-07-22 12:48:32,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:32,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:32,136 INFO L229 MonitoredProcess]: Starting monitored process 317 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:32,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Waiting until timeout for monitored process [2022-07-22 12:48:32,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:32,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:32,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:32,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:32,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:32,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:32,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:32,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:32,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:32,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:32,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:32,171 INFO L229 MonitoredProcess]: Starting monitored process 318 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:32,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Waiting until timeout for monitored process [2022-07-22 12:48:32,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:32,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:32,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:32,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:32,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:32,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:32,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:32,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:32,181 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:32,186 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:32,186 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:32,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:32,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:32,187 INFO L229 MonitoredProcess]: Starting monitored process 319 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:32,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Waiting until timeout for monitored process [2022-07-22 12:48:32,188 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:32,188 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:32,188 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:32,188 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork3_~i~1#1, ~N~0) = -1*thread2Thread1of1ForFork3_~i~1#1 + 1*~N~0 Supporting invariants [] [2022-07-22 12:48:32,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:32,211 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:32,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:32,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:32,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:32,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:32,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:32,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:32,273 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:32,273 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4390 states and 21627 transitions. cyclomatic complexity: 18363 Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:32,384 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4390 states and 21627 transitions. cyclomatic complexity: 18363. Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 5939 states and 28180 transitions. Complement of second has 3 states. [2022-07-22 12:48:32,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:32,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:32,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 28 transitions. [2022-07-22 12:48:32,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 11 letters. Loop has 1 letters. [2022-07-22 12:48:32,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:32,385 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:48:32,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:32,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:32,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:32,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:32,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:32,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:32,447 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:32,447 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4390 states and 21627 transitions. cyclomatic complexity: 18363 Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:32,546 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4390 states and 21627 transitions. cyclomatic complexity: 18363. Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 5939 states and 28180 transitions. Complement of second has 3 states. [2022-07-22 12:48:32,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:32,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 28 transitions. [2022-07-22 12:48:32,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 11 letters. Loop has 1 letters. [2022-07-22 12:48:32,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:32,547 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:48:32,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:32,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:32,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:32,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:32,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:32,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:32,601 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:32,601 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4390 states and 21627 transitions. cyclomatic complexity: 18363 Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:32,728 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4390 states and 21627 transitions. cyclomatic complexity: 18363. Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 5572 states and 26965 transitions. Complement of second has 2 states. [2022-07-22 12:48:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:32,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:32,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 29 transitions. [2022-07-22 12:48:32,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 11 letters. Loop has 1 letters. [2022-07-22 12:48:32,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:32,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 12 letters. Loop has 1 letters. [2022-07-22 12:48:32,730 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:32,730 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 11 letters. Loop has 2 letters. [2022-07-22 12:48:32,730 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:32,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5572 states and 26965 transitions. [2022-07-22 12:48:32,809 INFO L131 ngComponentsAnalysis]: Automaton has 138 accepting balls. 348 [2022-07-22 12:48:32,848 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5572 states to 4933 states and 23741 transitions. [2022-07-22 12:48:32,848 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2227 [2022-07-22 12:48:32,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2393 [2022-07-22 12:48:32,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4933 states and 23741 transitions. [2022-07-22 12:48:32,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:32,857 INFO L220 hiAutomatonCegarLoop]: Abstraction has 4933 states and 23741 transitions. [2022-07-22 12:48:32,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4933 states and 23741 transitions. [2022-07-22 12:48:32,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4933 to 3926. [2022-07-22 12:48:32,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3926 states, 3926 states have (on average 4.871370351502802) internal successors, (19125), 3925 states have internal predecessors, (19125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:32,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 3926 states and 19125 transitions. [2022-07-22 12:48:32,971 INFO L242 hiAutomatonCegarLoop]: Abstraction has 3926 states and 19125 transitions. [2022-07-22 12:48:32,971 INFO L425 stractBuchiCegarLoop]: Abstraction has 3926 states and 19125 transitions. [2022-07-22 12:48:32,971 INFO L332 stractBuchiCegarLoop]: ======== Iteration 22 ============ [2022-07-22 12:48:32,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3926 states and 19125 transitions. [2022-07-22 12:48:33,016 INFO L131 ngComponentsAnalysis]: Automaton has 132 accepting balls. 308 [2022-07-22 12:48:33,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:33,016 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:33,017 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:33,017 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 12:48:33,018 INFO L748 eck$LassoCheckResult]: Stem: 204973#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 203415#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 203017#[thread1ENTRY, L89-4]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 203019#[L89-4, L41-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 203371#[L90-3, L41-4]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 205525#[thread2ENTRY, L41-4, L90-4]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 205531#[L91-3, L41-4, thread2ENTRY]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 205729#[thread2ENTRY, L91-4, thread3ENTRY, L41-4]don't care [483] L91-4-->L92-3: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (select |v_#length_75| |v_ULTIMATE.start_main_~#t4~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre17#1_21| |v_#pthreadsForks_54|) (= (+ |v_#pthreadsForks_54| 1) |v_#pthreadsForks_53|) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) 1) (= (store |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31| (store (select |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) |v_ULTIMATE.start_main_~#t4~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre17#1_21|)) |v_#memory_int_55|)) InVars {#pthreadsForks=|v_#pthreadsForks_54|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_56|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_11|, #pthreadsForks=|v_#pthreadsForks_53|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_55|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet16#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~pre17#1] 205421#[thread2ENTRY, L92-3, thread3ENTRY, L41-4]don't care [388] L92-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre17#1_6| v_thread4Thread1of1ForFork2_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 205417#[thread3ENTRY, thread2ENTRY, L41-4, thread4ENTRY, L92-4]don't care [360] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 205723#[L41-4, thread2ENTRY, L92-4, thread4ENTRY, L62-4]don't care [370] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 207275#[L72-4, L41-4, thread2ENTRY, L92-4, L62-4]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 207671#[L72-4, L41-4, thread2ENTRY, L92-4, L62-4]don't care [2022-07-22 12:48:33,018 INFO L750 eck$LassoCheckResult]: Loop: 207671#[L72-4, L41-4, thread2ENTRY, L92-4, L62-4]don't care [484] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_~i~3#1_25| (+ |v_thread4Thread1of1ForFork2_~i~3#1_26| 1)) (< |v_thread4Thread1of1ForFork2_~i~3#1_26| v_~N~0_31) (= (+ v_~counter2~0_58 1) v_~counter2~0_59) (not (= 0 |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) (= (ite (< 0 v_~counter2~0_59) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9| |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) InVars {~counter2~0=v_~counter2~0_59, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_26|, ~N~0=v_~N~0_31} OutVars{~counter2~0=v_~counter2~0_58, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_25|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_19|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_9|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_31} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 207821#[L72-4, L41-4, thread2ENTRY, L92-4, L62-4]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 207671#[L72-4, L41-4, thread2ENTRY, L92-4, L62-4]don't care [2022-07-22 12:48:33,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:33,019 INFO L85 PathProgramCache]: Analyzing trace with hash 239546807, now seen corresponding path program 1 times [2022-07-22 12:48:33,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:33,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666781167] [2022-07-22 12:48:33,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:33,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:33,035 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:33,048 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:33,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:33,049 INFO L85 PathProgramCache]: Analyzing trace with hash 16450, now seen corresponding path program 1 times [2022-07-22 12:48:33,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:33,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151313309] [2022-07-22 12:48:33,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:33,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:33,054 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:33,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:33,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:33,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1723736968, now seen corresponding path program 1 times [2022-07-22 12:48:33,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:33,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173521625] [2022-07-22 12:48:33,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:33,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:33,077 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:33,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:33,141 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:33,141 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:33,141 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:33,141 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:33,142 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:33,142 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:33,142 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:33,142 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:33,142 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration22_Loop [2022-07-22 12:48:33,142 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:33,142 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:33,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,278 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:33,278 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:33,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:33,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:33,280 INFO L229 MonitoredProcess]: Starting monitored process 320 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:33,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Waiting until timeout for monitored process [2022-07-22 12:48:33,282 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:33,282 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:33,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:33,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:33,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:33,311 INFO L229 MonitoredProcess]: Starting monitored process 321 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:33,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Waiting until timeout for monitored process [2022-07-22 12:48:33,312 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:33,312 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:33,477 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:33,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Ended with exit code 0 [2022-07-22 12:48:33,479 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:33,480 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:33,480 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:33,480 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:33,480 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:33,480 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:33,480 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:33,480 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:33,480 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration22_Loop [2022-07-22 12:48:33,480 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:33,481 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:33,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:33,629 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:33,630 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:33,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:33,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:33,632 INFO L229 MonitoredProcess]: Starting monitored process 322 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:33,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Waiting until timeout for monitored process [2022-07-22 12:48:33,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:33,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:33,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:33,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:33,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:33,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:33,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:33,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:33,642 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:33,644 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:33,644 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:33,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:33,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:33,715 INFO L229 MonitoredProcess]: Starting monitored process 323 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:33,729 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:33,730 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:33,730 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:33,730 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread4Thread1of1ForFork2_~i~3#1, ~N~0) = -1*thread4Thread1of1ForFork2_~i~3#1 + 1*~N~0 Supporting invariants [] [2022-07-22 12:48:33,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Waiting until timeout for monitored process [2022-07-22 12:48:33,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:33,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Ended with exit code 0 [2022-07-22 12:48:33,756 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:33,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:33,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:33,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:33,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:33,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:33,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:33,847 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:48:33,848 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 3926 states and 19125 transitions. cyclomatic complexity: 16202 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:33,988 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 3926 states and 19125 transitions. cyclomatic complexity: 16202. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 5563 states and 27430 transitions. Complement of second has 3 states. [2022-07-22 12:48:33,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 24 transitions. [2022-07-22 12:48:33,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 24 transitions. Stem has 12 letters. Loop has 2 letters. [2022-07-22 12:48:33,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:33,990 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:48:33,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:34,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:34,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:34,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:34,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:34,057 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:48:34,057 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 3926 states and 19125 transitions. cyclomatic complexity: 16202 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:34,262 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 3926 states and 19125 transitions. cyclomatic complexity: 16202. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6764 states and 33504 transitions. Complement of second has 5 states. [2022-07-22 12:48:34,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:34,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:34,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 41 transitions. [2022-07-22 12:48:34,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 41 transitions. Stem has 12 letters. Loop has 2 letters. [2022-07-22 12:48:34,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:34,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 41 transitions. Stem has 14 letters. Loop has 2 letters. [2022-07-22 12:48:34,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:34,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 41 transitions. Stem has 12 letters. Loop has 4 letters. [2022-07-22 12:48:34,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:34,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6764 states and 33504 transitions. [2022-07-22 12:48:34,408 INFO L131 ngComponentsAnalysis]: Automaton has 248 accepting balls. 448 [2022-07-22 12:48:34,504 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6764 states to 6460 states and 31926 transitions. [2022-07-22 12:48:34,505 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2603 [2022-07-22 12:48:34,519 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2919 [2022-07-22 12:48:34,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6460 states and 31926 transitions. [2022-07-22 12:48:34,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:34,520 INFO L220 hiAutomatonCegarLoop]: Abstraction has 6460 states and 31926 transitions. [2022-07-22 12:48:34,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6460 states and 31926 transitions. [2022-07-22 12:48:34,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6460 to 4709. [2022-07-22 12:48:34,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4709 states, 4709 states have (on average 4.970906774262051) internal successors, (23408), 4708 states have internal predecessors, (23408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:34,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4709 states to 4709 states and 23408 transitions. [2022-07-22 12:48:34,729 INFO L242 hiAutomatonCegarLoop]: Abstraction has 4709 states and 23408 transitions. [2022-07-22 12:48:34,729 INFO L425 stractBuchiCegarLoop]: Abstraction has 4709 states and 23408 transitions. [2022-07-22 12:48:34,729 INFO L332 stractBuchiCegarLoop]: ======== Iteration 23 ============ [2022-07-22 12:48:34,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4709 states and 23408 transitions. [2022-07-22 12:48:34,784 INFO L131 ngComponentsAnalysis]: Automaton has 186 accepting balls. 374 [2022-07-22 12:48:34,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:34,784 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:34,785 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:34,785 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:34,786 INFO L748 eck$LassoCheckResult]: Stem: 225290#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 223690#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 223304#[thread1ENTRY, L89-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 223308#[thread1ENTRY, L90-3]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 223814#[thread2ENTRY, thread1ENTRY, L90-4]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 223828#[L91-3, thread1ENTRY, thread2ENTRY]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 223832#[thread2ENTRY, thread1ENTRY, L91-4, thread3ENTRY]don't care [483] L91-4-->L92-3: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (select |v_#length_75| |v_ULTIMATE.start_main_~#t4~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre17#1_21| |v_#pthreadsForks_54|) (= (+ |v_#pthreadsForks_54| 1) |v_#pthreadsForks_53|) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) 1) (= (store |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31| (store (select |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) |v_ULTIMATE.start_main_~#t4~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre17#1_21|)) |v_#memory_int_55|)) InVars {#pthreadsForks=|v_#pthreadsForks_54|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_56|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_11|, #pthreadsForks=|v_#pthreadsForks_53|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_55|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet16#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~pre17#1] 224584#[thread2ENTRY, thread1ENTRY, L92-3, thread3ENTRY]don't care [388] L92-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre17#1_6| v_thread4Thread1of1ForFork2_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 224272#[thread3ENTRY, thread2ENTRY, L92-4, thread4ENTRY, thread1ENTRY]don't care [370] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 223422#[L72-4, thread3ENTRY, thread2ENTRY, L92-4, thread1ENTRY]don't care [360] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 223428#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 228492#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [449] L92-4-->L93-1: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_13|) (= (select |v_#valid_64| |v_ULTIMATE.start_main_~#t1~0#1.base_15|) 1) (= |v_ULTIMATE.start_main_#t~mem19#1_10| (select (select |v_#memory_int_27| |v_ULTIMATE.start_main_~#t1~0#1.base_15|) |v_ULTIMATE.start_main_~#t1~0#1.offset_13|)) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_13|) (select |v_#length_41| |v_ULTIMATE.start_main_~#t1~0#1.base_15|))) InVars {#valid=|v_#valid_64|, #memory_int=|v_#memory_int_27|, #length=|v_#length_41|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_15|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_13|} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_10|, #valid=|v_#valid_64|, #memory_int=|v_#memory_int_27|, #length=|v_#length_41|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_7|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_15|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_13|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_#t~pre17#1] 227190#[L72-4, L93-1, thread2ENTRY, L62-4, thread1ENTRY]don't care [2022-07-22 12:48:34,787 INFO L750 eck$LassoCheckResult]: Loop: 227190#[L72-4, L93-1, thread2ENTRY, L62-4, thread1ENTRY]don't care [484] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_~i~3#1_25| (+ |v_thread4Thread1of1ForFork2_~i~3#1_26| 1)) (< |v_thread4Thread1of1ForFork2_~i~3#1_26| v_~N~0_31) (= (+ v_~counter2~0_58 1) v_~counter2~0_59) (not (= 0 |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) (= (ite (< 0 v_~counter2~0_59) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9| |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) InVars {~counter2~0=v_~counter2~0_59, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_26|, ~N~0=v_~N~0_31} OutVars{~counter2~0=v_~counter2~0_58, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_25|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_19|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_9|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_31} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 227190#[L72-4, L93-1, thread2ENTRY, L62-4, thread1ENTRY]don't care [2022-07-22 12:48:34,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:34,787 INFO L85 PathProgramCache]: Analyzing trace with hash -535145588, now seen corresponding path program 1 times [2022-07-22 12:48:34,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:34,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871947440] [2022-07-22 12:48:34,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:34,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:34,804 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:34,820 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:34,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:34,820 INFO L85 PathProgramCache]: Analyzing trace with hash 515, now seen corresponding path program 2 times [2022-07-22 12:48:34,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:34,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83824681] [2022-07-22 12:48:34,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:34,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:34,825 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:34,829 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:34,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:34,829 INFO L85 PathProgramCache]: Analyzing trace with hash 590356440, now seen corresponding path program 1 times [2022-07-22 12:48:34,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:34,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163179663] [2022-07-22 12:48:34,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:34,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:34,853 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:34,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:34,914 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:34,914 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:34,914 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:34,914 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:34,914 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:34,914 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:34,915 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:34,915 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:34,915 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration23_Loop [2022-07-22 12:48:34,915 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:34,915 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:34,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:34,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:34,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:34,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:34,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:34,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:34,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:34,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:34,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:34,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:34,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:34,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:34,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,031 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:35,032 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:35,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:35,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:35,033 INFO L229 MonitoredProcess]: Starting monitored process 324 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:35,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Waiting until timeout for monitored process [2022-07-22 12:48:35,035 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:35,035 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:35,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:35,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:35,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:35,065 INFO L229 MonitoredProcess]: Starting monitored process 325 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:35,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (325)] Waiting until timeout for monitored process [2022-07-22 12:48:35,066 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:35,066 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:35,102 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:35,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (325)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:35,104 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:35,104 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:35,105 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:35,105 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:35,105 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:35,105 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:35,105 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:35,105 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:35,105 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration23_Loop [2022-07-22 12:48:35,105 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:35,105 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:35,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,233 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:35,234 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:35,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:35,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:35,235 INFO L229 MonitoredProcess]: Starting monitored process 326 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:35,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Waiting until timeout for monitored process [2022-07-22 12:48:35,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:35,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:35,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:35,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:35,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:35,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:35,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:35,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:35,247 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:35,249 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:35,249 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:35,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:35,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:35,250 INFO L229 MonitoredProcess]: Starting monitored process 327 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:35,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Waiting until timeout for monitored process [2022-07-22 12:48:35,252 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:35,252 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:35,252 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:35,252 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter2~0) = 1*~counter2~0 Supporting invariants [] [2022-07-22 12:48:35,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:35,277 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:35,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:35,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:35,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:35,350 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:48:35,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:35,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:35,352 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:35,352 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4709 states and 23408 transitions. cyclomatic complexity: 19915 Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:35,486 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4709 states and 23408 transitions. cyclomatic complexity: 19915. Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 5852 states and 28272 transitions. Complement of second has 3 states. [2022-07-22 12:48:35,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:35,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:35,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 22 transitions. [2022-07-22 12:48:35,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 12 letters. Loop has 1 letters. [2022-07-22 12:48:35,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:35,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 13 letters. Loop has 1 letters. [2022-07-22 12:48:35,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:35,488 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 12 letters. Loop has 2 letters. [2022-07-22 12:48:35,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:35,488 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5852 states and 28272 transitions. [2022-07-22 12:48:35,585 INFO L131 ngComponentsAnalysis]: Automaton has 186 accepting balls. 374 [2022-07-22 12:48:35,640 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5852 states to 5852 states and 28272 transitions. [2022-07-22 12:48:35,640 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2496 [2022-07-22 12:48:35,650 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2687 [2022-07-22 12:48:35,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5852 states and 28272 transitions. [2022-07-22 12:48:35,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:35,650 INFO L220 hiAutomatonCegarLoop]: Abstraction has 5852 states and 28272 transitions. [2022-07-22 12:48:35,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5852 states and 28272 transitions. [2022-07-22 12:48:35,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5852 to 4858. [2022-07-22 12:48:35,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4858 states, 4858 states have (on average 4.930218196788802) internal successors, (23951), 4857 states have internal predecessors, (23951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:35,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4858 states to 4858 states and 23951 transitions. [2022-07-22 12:48:35,801 INFO L242 hiAutomatonCegarLoop]: Abstraction has 4858 states and 23951 transitions. [2022-07-22 12:48:35,801 INFO L425 stractBuchiCegarLoop]: Abstraction has 4858 states and 23951 transitions. [2022-07-22 12:48:35,801 INFO L332 stractBuchiCegarLoop]: ======== Iteration 24 ============ [2022-07-22 12:48:35,801 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4858 states and 23951 transitions. [2022-07-22 12:48:35,845 INFO L131 ngComponentsAnalysis]: Automaton has 186 accepting balls. 374 [2022-07-22 12:48:35,845 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:35,846 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:35,846 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:35,846 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:35,847 INFO L748 eck$LassoCheckResult]: Stem: 240699#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 239015#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 238635#[thread1ENTRY, L89-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 238639#[thread1ENTRY, L90-3]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 239149#[thread2ENTRY, thread1ENTRY, L90-4]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 239163#[L91-3, thread1ENTRY, thread2ENTRY]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 239167#[thread2ENTRY, thread1ENTRY, L91-4, thread3ENTRY]don't care [483] L91-4-->L92-3: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (select |v_#length_75| |v_ULTIMATE.start_main_~#t4~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre17#1_21| |v_#pthreadsForks_54|) (= (+ |v_#pthreadsForks_54| 1) |v_#pthreadsForks_53|) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) 1) (= (store |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31| (store (select |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) |v_ULTIMATE.start_main_~#t4~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre17#1_21|)) |v_#memory_int_55|)) InVars {#pthreadsForks=|v_#pthreadsForks_54|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_56|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_11|, #pthreadsForks=|v_#pthreadsForks_53|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_55|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet16#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~pre17#1] 239921#[thread2ENTRY, thread1ENTRY, L92-3, thread3ENTRY]don't care [388] L92-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre17#1_6| v_thread4Thread1of1ForFork2_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 239615#[thread3ENTRY, thread2ENTRY, L92-4, thread4ENTRY, thread1ENTRY]don't care [370] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 238753#[L72-4, thread3ENTRY, thread2ENTRY, L92-4, thread1ENTRY]don't care [360] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 238759#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 242793#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [484] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_~i~3#1_25| (+ |v_thread4Thread1of1ForFork2_~i~3#1_26| 1)) (< |v_thread4Thread1of1ForFork2_~i~3#1_26| v_~N~0_31) (= (+ v_~counter2~0_58 1) v_~counter2~0_59) (not (= 0 |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) (= (ite (< 0 v_~counter2~0_59) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9| |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) InVars {~counter2~0=v_~counter2~0_59, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_26|, ~N~0=v_~N~0_31} OutVars{~counter2~0=v_~counter2~0_58, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_25|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_19|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_9|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_31} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 241299#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [2022-07-22 12:48:35,847 INFO L750 eck$LassoCheckResult]: Loop: 241299#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [484] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_~i~3#1_25| (+ |v_thread4Thread1of1ForFork2_~i~3#1_26| 1)) (< |v_thread4Thread1of1ForFork2_~i~3#1_26| v_~N~0_31) (= (+ v_~counter2~0_58 1) v_~counter2~0_59) (not (= 0 |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) (= (ite (< 0 v_~counter2~0_59) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9| |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) InVars {~counter2~0=v_~counter2~0_59, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_26|, ~N~0=v_~N~0_31} OutVars{~counter2~0=v_~counter2~0_58, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_25|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_19|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_9|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_31} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 241299#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [2022-07-22 12:48:35,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:35,848 INFO L85 PathProgramCache]: Analyzing trace with hash -535145553, now seen corresponding path program 1 times [2022-07-22 12:48:35,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:35,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011954139] [2022-07-22 12:48:35,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:35,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:35,863 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:35,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:35,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:35,875 INFO L85 PathProgramCache]: Analyzing trace with hash 515, now seen corresponding path program 3 times [2022-07-22 12:48:35,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:35,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3857211] [2022-07-22 12:48:35,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:35,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:35,880 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:35,883 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:35,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:35,883 INFO L85 PathProgramCache]: Analyzing trace with hash 590357525, now seen corresponding path program 2 times [2022-07-22 12:48:35,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:35,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127174337] [2022-07-22 12:48:35,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:35,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:35,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:35,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:48:35,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127174337] [2022-07-22 12:48:35,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127174337] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:48:35,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:48:35,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:48:35,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164478904] [2022-07-22 12:48:35,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:48:35,964 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:35,964 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:35,964 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:35,964 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:35,964 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:35,964 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:35,964 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:35,964 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:35,964 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration24_Loop [2022-07-22 12:48:35,964 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:35,965 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:35,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:35,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:36,085 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:36,086 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:36,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:36,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:36,088 INFO L229 MonitoredProcess]: Starting monitored process 328 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:36,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Waiting until timeout for monitored process [2022-07-22 12:48:36,097 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:36,097 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:36,109 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:36,110 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=1} Honda state: {thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:36,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Ended with exit code 0 [2022-07-22 12:48:36,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:36,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:36,132 INFO L229 MonitoredProcess]: Starting monitored process 329 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:36,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Waiting until timeout for monitored process [2022-07-22 12:48:36,133 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:36,133 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:36,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:36,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:36,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:36,163 INFO L229 MonitoredProcess]: Starting monitored process 330 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:36,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Waiting until timeout for monitored process [2022-07-22 12:48:36,164 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:36,164 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:36,329 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:36,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Ended with exit code 0 [2022-07-22 12:48:36,332 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:36,332 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:36,332 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:36,332 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:36,332 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:36,333 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:36,333 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:36,333 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:36,333 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration24_Loop [2022-07-22 12:48:36,333 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:36,333 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:36,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:36,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:36,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:36,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:36,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:36,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:36,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:36,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:36,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:36,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:36,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:36,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:36,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:36,462 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:36,463 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:36,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:36,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:36,464 INFO L229 MonitoredProcess]: Starting monitored process 331 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:36,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Waiting until timeout for monitored process [2022-07-22 12:48:36,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:36,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:36,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:36,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:36,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:36,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:36,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:36,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:36,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:36,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:36,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:36,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:36,498 INFO L229 MonitoredProcess]: Starting monitored process 332 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:36,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Waiting until timeout for monitored process [2022-07-22 12:48:36,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:36,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:36,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:36,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:36,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:36,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:36,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:36,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:36,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Ended with exit code 0 [2022-07-22 12:48:36,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:36,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:36,540 INFO L229 MonitoredProcess]: Starting monitored process 333 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:36,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Waiting until timeout for monitored process [2022-07-22 12:48:36,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:36,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:36,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:36,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:36,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:36,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:36,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:36,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:36,551 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:36,555 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:36,555 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:36,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:36,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:36,557 INFO L229 MonitoredProcess]: Starting monitored process 334 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:36,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Waiting until timeout for monitored process [2022-07-22 12:48:36,558 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:36,558 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:36,558 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:36,558 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread4Thread1of1ForFork2_~i~3#1) = 1*~N~0 - 1*thread4Thread1of1ForFork2_~i~3#1 Supporting invariants [] [2022-07-22 12:48:36,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Ended with exit code 0 [2022-07-22 12:48:36,582 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:36,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:36,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:36,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:36,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:36,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:36,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:36,648 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:48:36,649 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4858 states and 23951 transitions. cyclomatic complexity: 20351 Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:36,764 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4858 states and 23951 transitions. cyclomatic complexity: 20351. Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6821 states and 33679 transitions. Complement of second has 3 states. [2022-07-22 12:48:36,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:36,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:36,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 28 transitions. [2022-07-22 12:48:36,765 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 12 letters. Loop has 1 letters. [2022-07-22 12:48:36,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:36,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 13 letters. Loop has 1 letters. [2022-07-22 12:48:36,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:36,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 12 letters. Loop has 2 letters. [2022-07-22 12:48:36,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:36,766 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6821 states and 33679 transitions. [2022-07-22 12:48:36,855 INFO L131 ngComponentsAnalysis]: Automaton has 198 accepting balls. 410 [2022-07-22 12:48:36,913 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6821 states to 6818 states and 33674 transitions. [2022-07-22 12:48:36,913 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2917 [2022-07-22 12:48:36,924 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3061 [2022-07-22 12:48:36,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6818 states and 33674 transitions. [2022-07-22 12:48:36,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:36,925 INFO L220 hiAutomatonCegarLoop]: Abstraction has 6818 states and 33674 transitions. [2022-07-22 12:48:37,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6818 states and 33674 transitions. [2022-07-22 12:48:37,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:37,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:37,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:37,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6818 to 5677. [2022-07-22 12:48:37,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5677 states, 5677 states have (on average 4.99365862251189) internal successors, (28349), 5676 states have internal predecessors, (28349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:37,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5677 states to 5677 states and 28349 transitions. [2022-07-22 12:48:37,267 INFO L242 hiAutomatonCegarLoop]: Abstraction has 5677 states and 28349 transitions. [2022-07-22 12:48:37,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:48:37,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 12:48:37,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-22 12:48:37,268 INFO L87 Difference]: Start difference. First operand 5677 states and 28349 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:37,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:48:37,594 INFO L93 Difference]: Finished difference Result 8615 states and 42375 transitions. [2022-07-22 12:48:37,594 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8615 states and 42375 transitions. [2022-07-22 12:48:37,741 INFO L131 ngComponentsAnalysis]: Automaton has 198 accepting balls. 476 [2022-07-22 12:48:37,825 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8615 states to 7326 states and 35283 transitions. [2022-07-22 12:48:37,826 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3471 [2022-07-22 12:48:37,840 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3523 [2022-07-22 12:48:37,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7326 states and 35283 transitions. [2022-07-22 12:48:37,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:37,841 INFO L220 hiAutomatonCegarLoop]: Abstraction has 7326 states and 35283 transitions. [2022-07-22 12:48:37,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7326 states and 35283 transitions. [2022-07-22 12:48:38,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7326 to 6913. [2022-07-22 12:48:38,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6913 states, 6913 states have (on average 4.898162881527557) internal successors, (33861), 6912 states have internal predecessors, (33861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:38,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 33861 transitions. [2022-07-22 12:48:38,061 INFO L242 hiAutomatonCegarLoop]: Abstraction has 6913 states and 33861 transitions. [2022-07-22 12:48:38,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:48:38,062 INFO L425 stractBuchiCegarLoop]: Abstraction has 6913 states and 33861 transitions. [2022-07-22 12:48:38,062 INFO L332 stractBuchiCegarLoop]: ======== Iteration 25 ============ [2022-07-22 12:48:38,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6913 states and 33861 transitions. [2022-07-22 12:48:38,178 INFO L131 ngComponentsAnalysis]: Automaton has 198 accepting balls. 476 [2022-07-22 12:48:38,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:38,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:38,179 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:38,179 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 12:48:38,180 INFO L748 eck$LassoCheckResult]: Stem: 277341#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 275581#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 275201#[thread1ENTRY, L89-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 275205#[thread1ENTRY, L90-3]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 275735#[thread2ENTRY, thread1ENTRY, L90-4]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 275737#[L91-3, thread1ENTRY, thread2ENTRY]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 275741#[thread2ENTRY, thread1ENTRY, L91-4, thread3ENTRY]don't care [483] L91-4-->L92-3: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (select |v_#length_75| |v_ULTIMATE.start_main_~#t4~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre17#1_21| |v_#pthreadsForks_54|) (= (+ |v_#pthreadsForks_54| 1) |v_#pthreadsForks_53|) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) 1) (= (store |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31| (store (select |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) |v_ULTIMATE.start_main_~#t4~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre17#1_21|)) |v_#memory_int_55|)) InVars {#pthreadsForks=|v_#pthreadsForks_54|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_56|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_11|, #pthreadsForks=|v_#pthreadsForks_53|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_55|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet16#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~pre17#1] 276539#[thread2ENTRY, thread1ENTRY, L92-3, thread3ENTRY]don't care [388] L92-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre17#1_6| v_thread4Thread1of1ForFork2_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 276211#[thread3ENTRY, thread2ENTRY, L92-4, thread4ENTRY, thread1ENTRY]don't care [360] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 276215#[thread2ENTRY, L92-4, thread4ENTRY, L62-4, thread1ENTRY]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 277151#[thread2ENTRY, L92-4, thread4ENTRY, L62-4, thread1ENTRY]don't care [370] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 280147#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [484] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_~i~3#1_25| (+ |v_thread4Thread1of1ForFork2_~i~3#1_26| 1)) (< |v_thread4Thread1of1ForFork2_~i~3#1_26| v_~N~0_31) (= (+ v_~counter2~0_58 1) v_~counter2~0_59) (not (= 0 |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) (= (ite (< 0 v_~counter2~0_59) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9| |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) InVars {~counter2~0=v_~counter2~0_59, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_26|, ~N~0=v_~N~0_31} OutVars{~counter2~0=v_~counter2~0_58, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_25|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_19|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_9|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_31} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 277391#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 277385#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [2022-07-22 12:48:38,180 INFO L750 eck$LassoCheckResult]: Loop: 277385#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [484] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_~i~3#1_25| (+ |v_thread4Thread1of1ForFork2_~i~3#1_26| 1)) (< |v_thread4Thread1of1ForFork2_~i~3#1_26| v_~N~0_31) (= (+ v_~counter2~0_58 1) v_~counter2~0_59) (not (= 0 |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) (= (ite (< 0 v_~counter2~0_59) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9| |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) InVars {~counter2~0=v_~counter2~0_59, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_26|, ~N~0=v_~N~0_31} OutVars{~counter2~0=v_~counter2~0_58, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_25|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_19|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_9|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_31} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 277379#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 277385#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [2022-07-22 12:48:38,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:38,180 INFO L85 PathProgramCache]: Analyzing trace with hash 584735676, now seen corresponding path program 3 times [2022-07-22 12:48:38,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:38,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879814266] [2022-07-22 12:48:38,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:38,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:38,198 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:38,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:38,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:38,212 INFO L85 PathProgramCache]: Analyzing trace with hash 16450, now seen corresponding path program 2 times [2022-07-22 12:48:38,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:38,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964260808] [2022-07-22 12:48:38,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:38,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:38,217 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:38,220 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:38,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:38,221 INFO L85 PathProgramCache]: Analyzing trace with hash -709715651, now seen corresponding path program 4 times [2022-07-22 12:48:38,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:38,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596690673] [2022-07-22 12:48:38,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:38,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:38,238 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:38,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:38,321 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:38,321 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:38,321 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:38,322 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:38,322 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:38,322 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:38,322 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:38,322 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:38,322 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration25_Loop [2022-07-22 12:48:38,322 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:38,322 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:38,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,460 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:38,460 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:38,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:38,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:38,462 INFO L229 MonitoredProcess]: Starting monitored process 335 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:38,464 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:38,464 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:38,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (335)] Waiting until timeout for monitored process [2022-07-22 12:48:38,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (335)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:38,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:38,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:38,517 INFO L229 MonitoredProcess]: Starting monitored process 336 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:38,520 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:38,520 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:38,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (336)] Waiting until timeout for monitored process [2022-07-22 12:48:38,707 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:38,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (336)] Ended with exit code 0 [2022-07-22 12:48:38,710 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:38,710 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:38,710 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:38,710 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:38,710 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:38,710 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:38,710 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:38,710 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:38,710 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration25_Loop [2022-07-22 12:48:38,710 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:38,710 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:38,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:38,856 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:38,856 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:38,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:38,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:38,857 INFO L229 MonitoredProcess]: Starting monitored process 337 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:38,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Waiting until timeout for monitored process [2022-07-22 12:48:38,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:38,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:38,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:38,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:38,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:38,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:38,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:38,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:38,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:38,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:38,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:38,894 INFO L229 MonitoredProcess]: Starting monitored process 338 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:38,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Waiting until timeout for monitored process [2022-07-22 12:48:38,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:38,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:38,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:38,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:38,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:38,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:38,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:38,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:38,906 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:38,908 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:38,908 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:48:38,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:38,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:38,909 INFO L229 MonitoredProcess]: Starting monitored process 339 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:38,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Waiting until timeout for monitored process [2022-07-22 12:48:38,910 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:38,910 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:38,910 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:38,911 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread4Thread1of1ForFork2_~i~3#1) = 1*~N~0 - 1*thread4Thread1of1ForFork2_~i~3#1 Supporting invariants [] [2022-07-22 12:48:38,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:38,933 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:38,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:38,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:38,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:38,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:38,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:39,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:39,015 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:48:39,015 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6913 states and 33861 transitions. cyclomatic complexity: 28501 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:39,146 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6913 states and 33861 transitions. cyclomatic complexity: 28501. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 8106 states and 39259 transitions. Complement of second has 3 states. [2022-07-22 12:48:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:39,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:39,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 24 transitions. [2022-07-22 12:48:39,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 24 transitions. Stem has 13 letters. Loop has 2 letters. [2022-07-22 12:48:39,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:39,148 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:48:39,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:39,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:39,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:39,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:39,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:39,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:39,232 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:48:39,232 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6913 states and 33861 transitions. cyclomatic complexity: 28501 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:39,383 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6913 states and 33861 transitions. cyclomatic complexity: 28501. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 8541 states and 41270 transitions. Complement of second has 5 states. [2022-07-22 12:48:39,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:39,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:39,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2022-07-22 12:48:39,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 13 letters. Loop has 2 letters. [2022-07-22 12:48:39,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:39,385 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:48:39,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:39,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:39,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:39,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:39,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:39,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:39,470 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:48:39,470 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6913 states and 33861 transitions. cyclomatic complexity: 28501 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:39,767 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6913 states and 33861 transitions. cyclomatic complexity: 28501. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 10880 states and 53927 transitions. Complement of second has 3 states. [2022-07-22 12:48:39,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:39,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:39,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 29 transitions. [2022-07-22 12:48:39,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 13 letters. Loop has 2 letters. [2022-07-22 12:48:39,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:39,771 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:48:39,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:39,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:39,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:39,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:39,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:39,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:39,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:39,868 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:48:39,868 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6913 states and 33861 transitions. cyclomatic complexity: 28501 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:40,104 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6913 states and 33861 transitions. cyclomatic complexity: 28501. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12878 states and 64090 transitions. Complement of second has 5 states. [2022-07-22 12:48:40,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:40,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:40,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2022-07-22 12:48:40,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 46 transitions. Stem has 13 letters. Loop has 2 letters. [2022-07-22 12:48:40,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:40,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 46 transitions. Stem has 15 letters. Loop has 2 letters. [2022-07-22 12:48:40,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:40,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 46 transitions. Stem has 13 letters. Loop has 4 letters. [2022-07-22 12:48:40,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:40,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12878 states and 64090 transitions. [2022-07-22 12:48:40,300 INFO L131 ngComponentsAnalysis]: Automaton has 312 accepting balls. 840 [2022-07-22 12:48:40,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12878 states to 11868 states and 59279 transitions. [2022-07-22 12:48:40,420 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4072 [2022-07-22 12:48:40,439 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4544 [2022-07-22 12:48:40,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11868 states and 59279 transitions. [2022-07-22 12:48:40,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:40,440 INFO L220 hiAutomatonCegarLoop]: Abstraction has 11868 states and 59279 transitions. [2022-07-22 12:48:40,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11868 states and 59279 transitions. [2022-07-22 12:48:40,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11868 to 7659. [2022-07-22 12:48:40,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7659 states, 7659 states have (on average 5.023762893328111) internal successors, (38477), 7658 states have internal predecessors, (38477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:40,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7659 states to 7659 states and 38477 transitions. [2022-07-22 12:48:40,944 INFO L242 hiAutomatonCegarLoop]: Abstraction has 7659 states and 38477 transitions. [2022-07-22 12:48:40,944 INFO L425 stractBuchiCegarLoop]: Abstraction has 7659 states and 38477 transitions. [2022-07-22 12:48:40,944 INFO L332 stractBuchiCegarLoop]: ======== Iteration 26 ============ [2022-07-22 12:48:40,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7659 states and 38477 transitions. [2022-07-22 12:48:41,023 INFO L131 ngComponentsAnalysis]: Automaton has 250 accepting balls. 576 [2022-07-22 12:48:41,023 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:41,023 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:41,024 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:41,024 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1] [2022-07-22 12:48:41,025 INFO L748 eck$LassoCheckResult]: Stem: 331729#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 330025#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 329633#[thread1ENTRY, L89-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 329637#[thread1ENTRY, L90-3]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 330185#[thread2ENTRY, thread1ENTRY, L90-4]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 330187#[L91-3, thread1ENTRY, thread2ENTRY]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 330191#[thread2ENTRY, thread1ENTRY, L91-4, thread3ENTRY]don't care [483] L91-4-->L92-3: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (select |v_#length_75| |v_ULTIMATE.start_main_~#t4~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre17#1_21| |v_#pthreadsForks_54|) (= (+ |v_#pthreadsForks_54| 1) |v_#pthreadsForks_53|) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) 1) (= (store |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31| (store (select |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) |v_ULTIMATE.start_main_~#t4~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre17#1_21|)) |v_#memory_int_55|)) InVars {#pthreadsForks=|v_#pthreadsForks_54|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_56|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_11|, #pthreadsForks=|v_#pthreadsForks_53|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_55|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet16#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~pre17#1] 330971#[thread2ENTRY, thread1ENTRY, L92-3, thread3ENTRY]don't care [388] L92-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre17#1_6| v_thread4Thread1of1ForFork2_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 330637#[thread3ENTRY, thread2ENTRY, L92-4, thread4ENTRY, thread1ENTRY]don't care [370] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 329763#[L72-4, thread3ENTRY, thread2ENTRY, L92-4, thread1ENTRY]don't care [360] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 329769#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 336199#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 336191#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [484] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_~i~3#1_25| (+ |v_thread4Thread1of1ForFork2_~i~3#1_26| 1)) (< |v_thread4Thread1of1ForFork2_~i~3#1_26| v_~N~0_31) (= (+ v_~counter2~0_58 1) v_~counter2~0_59) (not (= 0 |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) (= (ite (< 0 v_~counter2~0_59) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9| |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) InVars {~counter2~0=v_~counter2~0_59, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_26|, ~N~0=v_~N~0_31} OutVars{~counter2~0=v_~counter2~0_58, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_25|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_19|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_9|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_31} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 331771#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [2022-07-22 12:48:41,026 INFO L750 eck$LassoCheckResult]: Loop: 331771#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 331779#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 337115#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [484] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_~i~3#1_25| (+ |v_thread4Thread1of1ForFork2_~i~3#1_26| 1)) (< |v_thread4Thread1of1ForFork2_~i~3#1_26| v_~N~0_31) (= (+ v_~counter2~0_58 1) v_~counter2~0_59) (not (= 0 |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) (= (ite (< 0 v_~counter2~0_59) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9| |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) InVars {~counter2~0=v_~counter2~0_59, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_26|, ~N~0=v_~N~0_31} OutVars{~counter2~0=v_~counter2~0_58, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_25|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_19|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_9|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_31} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 331771#[L72-4, thread2ENTRY, L92-4, L62-4, thread1ENTRY]don't care [2022-07-22 12:48:41,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:41,026 INFO L85 PathProgramCache]: Analyzing trace with hash 590357556, now seen corresponding path program 5 times [2022-07-22 12:48:41,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:41,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707063443] [2022-07-22 12:48:41,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:41,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:41,041 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:41,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:41,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:41,055 INFO L85 PathProgramCache]: Analyzing trace with hash 511395, now seen corresponding path program 3 times [2022-07-22 12:48:41,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:41,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650921122] [2022-07-22 12:48:41,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:41,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:41,060 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:41,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:41,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:41,065 INFO L85 PathProgramCache]: Analyzing trace with hash -548644720, now seen corresponding path program 6 times [2022-07-22 12:48:41,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:41,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855032736] [2022-07-22 12:48:41,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:41,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:41,254 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:41,283 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:41,369 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:41,369 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:41,369 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:41,369 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:41,369 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:41,369 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:41,369 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:41,369 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:41,369 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration26_Loop [2022-07-22 12:48:41,369 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:41,369 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:41,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,519 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:41,519 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:41,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:41,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:41,521 INFO L229 MonitoredProcess]: Starting monitored process 340 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:41,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Waiting until timeout for monitored process [2022-07-22 12:48:41,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:41,522 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:41,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:41,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:41,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:41,553 INFO L229 MonitoredProcess]: Starting monitored process 341 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:41,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Waiting until timeout for monitored process [2022-07-22 12:48:41,554 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:41,554 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:41,720 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:41,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:41,722 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:41,722 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:41,723 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:41,723 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:41,723 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:41,723 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:41,723 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:41,723 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:41,723 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration26_Loop [2022-07-22 12:48:41,723 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:41,723 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:41,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:41,870 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:41,870 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:41,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:41,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:41,872 INFO L229 MonitoredProcess]: Starting monitored process 342 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:41,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Waiting until timeout for monitored process [2022-07-22 12:48:41,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:41,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:41,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:41,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:41,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:41,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:41,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:41,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:41,883 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:41,885 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:41,885 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:48:41,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:41,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:41,886 INFO L229 MonitoredProcess]: Starting monitored process 343 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:41,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Waiting until timeout for monitored process [2022-07-22 12:48:41,887 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:41,888 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:41,888 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:41,888 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread4Thread1of1ForFork2_~i~3#1) = 1*~N~0 - 1*thread4Thread1of1ForFork2_~i~3#1 Supporting invariants [] [2022-07-22 12:48:41,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:41,910 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:41,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:41,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:41,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:41,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:41,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:41,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 12:48:41,986 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:48:41,987 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7659 states and 38477 transitions. cyclomatic complexity: 32483 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:42,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:42,292 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7659 states and 38477 transitions. cyclomatic complexity: 32483. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14280 states and 75896 transitions. Complement of second has 4 states. [2022-07-22 12:48:42,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:42,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:42,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 60 transitions. [2022-07-22 12:48:42,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 60 transitions. Stem has 13 letters. Loop has 3 letters. [2022-07-22 12:48:42,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:42,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 60 transitions. Stem has 16 letters. Loop has 3 letters. [2022-07-22 12:48:42,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:42,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 60 transitions. Stem has 13 letters. Loop has 6 letters. [2022-07-22 12:48:42,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:42,296 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14280 states and 75896 transitions. [2022-07-22 12:48:42,548 INFO L131 ngComponentsAnalysis]: Automaton has 34 accepting balls. 102 [2022-07-22 12:48:42,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14280 states to 6765 states and 31040 transitions. [2022-07-22 12:48:42,765 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1887 [2022-07-22 12:48:42,772 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1924 [2022-07-22 12:48:42,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6765 states and 31040 transitions. [2022-07-22 12:48:42,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:42,773 INFO L220 hiAutomatonCegarLoop]: Abstraction has 6765 states and 31040 transitions. [2022-07-22 12:48:42,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6765 states and 31040 transitions. [2022-07-22 12:48:42,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6765 to 4716. [2022-07-22 12:48:42,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4716 states, 4716 states have (on average 4.745971162001696) internal successors, (22382), 4715 states have internal predecessors, (22382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:42,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4716 states to 4716 states and 22382 transitions. [2022-07-22 12:48:42,967 INFO L242 hiAutomatonCegarLoop]: Abstraction has 4716 states and 22382 transitions. [2022-07-22 12:48:42,967 INFO L425 stractBuchiCegarLoop]: Abstraction has 4716 states and 22382 transitions. [2022-07-22 12:48:42,967 INFO L332 stractBuchiCegarLoop]: ======== Iteration 27 ============ [2022-07-22 12:48:42,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4716 states and 22382 transitions. [2022-07-22 12:48:43,022 INFO L131 ngComponentsAnalysis]: Automaton has 28 accepting balls. 84 [2022-07-22 12:48:43,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:43,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:43,023 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:43,023 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 12:48:43,024 INFO L748 eck$LassoCheckResult]: Stem: 360225#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 359693#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 359317#[thread1ENTRY, L89-4]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 359319#[L89-4, L41-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 359641#[L89-4, L41-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 359645#[L89-4, L41-4]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 360415#[L90-3, L41-4]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 360413#[thread2ENTRY, L41-4, L90-4]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 360433#[L91-3, L41-4, thread2ENTRY]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 360435#[thread2ENTRY, L91-4, thread3ENTRY, L41-4]don't care [360] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 360425#[L62-4, thread2ENTRY, L91-4, L41-4]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 360711#[L62-4, thread2ENTRY, L91-4, L41-4]don't care [350] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 360717#[L62-4, L91-4, L51-4, L41-4]don't care [476] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_~i~1#1_27| (+ |v_thread2Thread1of1ForFork3_~i~1#1_28| 1)) (< |v_thread2Thread1of1ForFork3_~i~1#1_28| v_~N~0_27) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|) (= (+ v_~counter1~0_60 1) v_~counter1~0_61) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| 0)) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9| (ite (< 0 v_~counter1~0_61) 1 0))) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_28|, ~counter1~0=v_~counter1~0_61, ~N~0=v_~N~0_27} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_9|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_13|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_27|, ~counter1~0=v_~counter1~0_60, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 365815#[L62-4, L91-4, L51-4, L41-4]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 366995#[L62-4, L91-4, L51-4, L41-4]don't care [2022-07-22 12:48:43,025 INFO L750 eck$LassoCheckResult]: Loop: 366995#[L62-4, L91-4, L51-4, L41-4]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 367027#[L62-4, L91-4, L51-4, L41-4]don't care [476] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_~i~1#1_27| (+ |v_thread2Thread1of1ForFork3_~i~1#1_28| 1)) (< |v_thread2Thread1of1ForFork3_~i~1#1_28| v_~N~0_27) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|) (= (+ v_~counter1~0_60 1) v_~counter1~0_61) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| 0)) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9| (ite (< 0 v_~counter1~0_61) 1 0))) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_28|, ~counter1~0=v_~counter1~0_61, ~N~0=v_~N~0_27} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_9|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_13|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_27|, ~counter1~0=v_~counter1~0_60, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 366995#[L62-4, L91-4, L51-4, L41-4]don't care [2022-07-22 12:48:43,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:43,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1885928839, now seen corresponding path program 1 times [2022-07-22 12:48:43,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:43,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54671781] [2022-07-22 12:48:43,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:43,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:43,042 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:43,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:43,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:43,057 INFO L85 PathProgramCache]: Analyzing trace with hash 16472, now seen corresponding path program 1 times [2022-07-22 12:48:43,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:43,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345819771] [2022-07-22 12:48:43,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:43,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:43,063 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:43,067 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:43,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:43,068 INFO L85 PathProgramCache]: Analyzing trace with hash -98569122, now seen corresponding path program 2 times [2022-07-22 12:48:43,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:43,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313795263] [2022-07-22 12:48:43,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:43,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:43,086 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:43,103 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:43,317 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:43,317 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:43,317 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:43,317 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:43,317 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:43,318 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:43,318 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:43,318 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:43,318 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration27_Loop [2022-07-22 12:48:43,318 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:43,318 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:43,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,464 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:43,464 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:43,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:43,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:43,465 INFO L229 MonitoredProcess]: Starting monitored process 344 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:43,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Waiting until timeout for monitored process [2022-07-22 12:48:43,466 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:43,466 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:43,479 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:43,479 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_53=0} Honda state: {v_rep#funAddr~thread1.offset_53=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:43,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Ended with exit code 0 [2022-07-22 12:48:43,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:43,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:43,502 INFO L229 MonitoredProcess]: Starting monitored process 345 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:43,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Waiting until timeout for monitored process [2022-07-22 12:48:43,504 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:43,504 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:43,516 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:43,516 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_53=-1} Honda state: {v_rep#funAddr~thread2.base_53=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:43,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Ended with exit code 0 [2022-07-22 12:48:43,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:43,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:43,538 INFO L229 MonitoredProcess]: Starting monitored process 346 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:43,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Waiting until timeout for monitored process [2022-07-22 12:48:43,539 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:43,539 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:43,547 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:43,547 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork0_#t~post6=0} Honda state: {thread3Thread1of1ForFork0_#t~post6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:43,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Ended with exit code 0 [2022-07-22 12:48:43,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:43,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:43,569 INFO L229 MonitoredProcess]: Starting monitored process 347 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:43,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (347)] Waiting until timeout for monitored process [2022-07-22 12:48:43,570 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:43,570 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:43,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (347)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:43,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:43,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:43,599 INFO L229 MonitoredProcess]: Starting monitored process 348 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:43,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (348)] Waiting until timeout for monitored process [2022-07-22 12:48:43,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:43,600 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:43,623 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:43,623 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter2~0=0} Honda state: {~counter2~0=0} Generalized eigenvectors: [{~counter2~0=-2}, {~counter2~0=4}, {~counter2~0=-1}] Lambdas: [1, 1, 1] Nus: [0, 0] [2022-07-22 12:48:43,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (348)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:43,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:43,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:43,647 INFO L229 MonitoredProcess]: Starting monitored process 349 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:43,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (349)] Waiting until timeout for monitored process [2022-07-22 12:48:43,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:43,648 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:43,660 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:43,660 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_53=-1} Honda state: {v_rep#funAddr~thread1.base_53=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:43,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (349)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:43,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:43,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:43,683 INFO L229 MonitoredProcess]: Starting monitored process 350 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:43,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (350)] Waiting until timeout for monitored process [2022-07-22 12:48:43,683 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:43,683 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:43,696 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:43,697 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.offset_53=2} Honda state: {v_rep#funAddr~thread3.offset_53=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:43,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (350)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:43,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:43,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:43,720 INFO L229 MonitoredProcess]: Starting monitored process 351 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:43,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (351)] Waiting until timeout for monitored process [2022-07-22 12:48:43,721 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:43,721 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:43,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (351)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:43,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:43,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:43,752 INFO L229 MonitoredProcess]: Starting monitored process 352 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:43,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (352)] Waiting until timeout for monitored process [2022-07-22 12:48:43,753 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:43,753 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:43,893 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:43,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (352)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:43,895 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:43,895 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:43,895 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:43,896 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:43,896 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:43,896 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:43,896 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:43,896 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:43,896 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration27_Loop [2022-07-22 12:48:43,896 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:43,896 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:43,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:43,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:44,057 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:44,057 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:44,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:44,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:44,058 INFO L229 MonitoredProcess]: Starting monitored process 353 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:44,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (353)] Waiting until timeout for monitored process [2022-07-22 12:48:44,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:44,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:44,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:44,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:44,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:44,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:44,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:44,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:44,092 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (353)] Ended with exit code 0 [2022-07-22 12:48:44,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:44,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:44,093 INFO L229 MonitoredProcess]: Starting monitored process 354 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:44,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (354)] Waiting until timeout for monitored process [2022-07-22 12:48:44,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:44,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:44,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:44,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:44,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:44,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:44,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:44,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:44,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (354)] Ended with exit code 0 [2022-07-22 12:48:44,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:44,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:44,129 INFO L229 MonitoredProcess]: Starting monitored process 355 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:44,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (355)] Waiting until timeout for monitored process [2022-07-22 12:48:44,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:44,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:44,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:44,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:44,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:44,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:44,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:44,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:44,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:44,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (355)] Ended with exit code 0 [2022-07-22 12:48:44,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:44,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:44,161 INFO L229 MonitoredProcess]: Starting monitored process 356 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:44,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (356)] Waiting until timeout for monitored process [2022-07-22 12:48:44,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:44,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:44,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:44,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:44,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:44,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:44,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:44,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:44,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:44,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (356)] Ended with exit code 0 [2022-07-22 12:48:44,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:44,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:44,195 INFO L229 MonitoredProcess]: Starting monitored process 357 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:44,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (357)] Waiting until timeout for monitored process [2022-07-22 12:48:44,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:44,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:44,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:44,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:44,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:44,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:44,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:44,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:44,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (357)] Ended with exit code 0 [2022-07-22 12:48:44,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:44,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:44,230 INFO L229 MonitoredProcess]: Starting monitored process 358 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:44,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (358)] Waiting until timeout for monitored process [2022-07-22 12:48:44,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:44,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:44,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:44,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:44,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:44,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:44,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:44,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:44,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (358)] Ended with exit code 0 [2022-07-22 12:48:44,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:44,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:44,264 INFO L229 MonitoredProcess]: Starting monitored process 359 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:44,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (359)] Waiting until timeout for monitored process [2022-07-22 12:48:44,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:44,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:44,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:44,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:44,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:44,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:44,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:44,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:44,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (359)] Ended with exit code 0 [2022-07-22 12:48:44,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:44,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:44,298 INFO L229 MonitoredProcess]: Starting monitored process 360 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:44,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (360)] Waiting until timeout for monitored process [2022-07-22 12:48:44,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:48:44,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:44,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:44,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:44,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:44,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:44,306 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:44,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:44,308 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:44,311 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:44,312 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:44,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:44,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:44,313 INFO L229 MonitoredProcess]: Starting monitored process 361 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:48:44,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (361)] Waiting until timeout for monitored process [2022-07-22 12:48:44,314 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:44,315 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:44,315 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:44,315 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork3_~i~1#1, ~N~0) = -1*thread2Thread1of1ForFork3_~i~1#1 + 1*~N~0 Supporting invariants [] [2022-07-22 12:48:44,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (360)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:44,339 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:44,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:44,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:44,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:44,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:44,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:44,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:44,406 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:48:44,406 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4716 states and 22382 transitions. cyclomatic complexity: 18795 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:44,644 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4716 states and 22382 transitions. cyclomatic complexity: 18795. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12362 states and 58422 transitions. Complement of second has 5 states. [2022-07-22 12:48:44,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:44,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:44,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2022-07-22 12:48:44,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 46 transitions. Stem has 14 letters. Loop has 2 letters. [2022-07-22 12:48:44,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:44,647 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:48:44,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:44,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:44,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:44,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:44,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:44,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:44,700 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:48:44,700 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4716 states and 22382 transitions. cyclomatic complexity: 18795 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:44,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (361)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:44,890 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4716 states and 22382 transitions. cyclomatic complexity: 18795. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12362 states and 58422 transitions. Complement of second has 5 states. [2022-07-22 12:48:44,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:44,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2022-07-22 12:48:44,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 46 transitions. Stem has 14 letters. Loop has 2 letters. [2022-07-22 12:48:44,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:44,892 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:48:44,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:44,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:44,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:44,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:44,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:44,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:48:44,955 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:48:44,955 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4716 states and 22382 transitions. cyclomatic complexity: 18795 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:45,154 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4716 states and 22382 transitions. cyclomatic complexity: 18795. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14225 states and 67748 transitions. Complement of second has 7 states. [2022-07-22 12:48:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 12:48:45,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:48:45,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 48 transitions. [2022-07-22 12:48:45,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 48 transitions. Stem has 14 letters. Loop has 2 letters. [2022-07-22 12:48:45,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:45,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 48 transitions. Stem has 16 letters. Loop has 2 letters. [2022-07-22 12:48:45,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:45,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 48 transitions. Stem has 14 letters. Loop has 4 letters. [2022-07-22 12:48:45,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:45,156 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14225 states and 67748 transitions. [2022-07-22 12:48:45,302 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 12:48:45,302 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14225 states to 0 states and 0 transitions. [2022-07-22 12:48:45,302 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-22 12:48:45,303 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-22 12:48:45,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-22 12:48:45,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:45,303 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 12:48:45,303 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 12:48:45,303 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 12:48:45,303 INFO L332 stractBuchiCegarLoop]: ======== Iteration 28 ============ [2022-07-22 12:48:45,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-22 12:48:45,304 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 12:48:45,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 12:48:45,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 12:48:45 BoogieIcfgContainer [2022-07-22 12:48:45,311 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 12:48:45,311 INFO L158 Benchmark]: Toolchain (without parser) took 51627.59ms. Allocated memory was 155.2MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 129.8MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 604.9MB. Max. memory is 8.0GB. [2022-07-22 12:48:45,312 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 155.2MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:48:45,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.05ms. Allocated memory is still 155.2MB. Free memory was 129.6MB in the beginning and 118.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-07-22 12:48:45,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.71ms. Allocated memory is still 155.2MB. Free memory was 118.3MB in the beginning and 116.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:48:45,313 INFO L158 Benchmark]: Boogie Preprocessor took 69.08ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 115.1MB in the end (delta: 1.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-07-22 12:48:45,313 INFO L158 Benchmark]: RCFGBuilder took 693.84ms. Allocated memory is still 155.2MB. Free memory was 115.0MB in the beginning and 135.1MB in the end (delta: -20.0MB). Peak memory consumption was 20.0MB. Max. memory is 8.0GB. [2022-07-22 12:48:45,314 INFO L158 Benchmark]: BuchiAutomizer took 50413.86ms. Allocated memory was 155.2MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 135.1MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 610.1MB. Max. memory is 8.0GB. [2022-07-22 12:48:45,315 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 155.2MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 349.05ms. Allocated memory is still 155.2MB. Free memory was 129.6MB in the beginning and 118.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 89.71ms. Allocated memory is still 155.2MB. Free memory was 118.3MB in the beginning and 116.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 69.08ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 115.1MB in the end (delta: 1.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 693.84ms. Allocated memory is still 155.2MB. Free memory was 115.0MB in the beginning and 135.1MB in the end (delta: -20.0MB). Peak memory consumption was 20.0MB. Max. memory is 8.0GB. * BuchiAutomizer took 50413.86ms. Allocated memory was 155.2MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 135.1MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 610.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 32 terminating modules (5 trivial, 22 deterministic, 5 nondeterministic). One deterministic module has affine ranking function -1 * i + M and consists of 2 locations. One deterministic module has affine ranking function -1 * i + M and consists of 2 locations. One deterministic module has affine ranking function -1 * i + M and consists of 2 locations. One deterministic module has affine ranking function counter1 and consists of 2 locations. One deterministic module has affine ranking function -1 * i + M and consists of 2 locations. One deterministic module has affine ranking function -1 * i + M and consists of 2 locations. One deterministic module has affine ranking function -1 * i + M and consists of 2 locations. One deterministic module has affine ranking function -1 * i + M and consists of 2 locations. One deterministic module has affine ranking function counter1 and consists of 2 locations. One deterministic module has affine ranking function -1 * i + M and consists of 3 locations. One deterministic module has affine ranking function counter1 and consists of 2 locations. One deterministic module has affine ranking function counter1 and consists of 2 locations. One deterministic module has affine ranking function -1 * i + M and consists of 2 locations. One deterministic module has affine ranking function -1 * i + M and consists of 2 locations. One deterministic module has affine ranking function counter2 and consists of 2 locations. One deterministic module has affine ranking function -1 * i + M and consists of 2 locations. One deterministic module has affine ranking function -1 * i + M and consists of 2 locations. One deterministic module has affine ranking function -1 * i + M and consists of 2 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function counter2 and consists of 2 locations. One deterministic module has affine ranking function N + -1 * i and consists of 2 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One nondeterministic module has affine ranking function -1 * i + M and consists of 2 locations. One nondeterministic module has affine ranking function -1 * i + M and consists of 2 locations. One nondeterministic module has affine ranking function N + -1 * i and consists of 2 locations. One nondeterministic module has affine ranking function N + -1 * i and consists of 3 locations. One nondeterministic module has affine ranking function N + -1 * i and consists of 3 locations. 5 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 50.2s and 28 iterations. TraceHistogramMax:3. Analysis of lassos took 27.9s. Construction of modules took 1.9s. Büchi inclusion checks took 7.9s. Highest rank in rank-based complementation 3. Minimization of det autom 12. Minimization of nondet autom 20. Automata minimization 4.2s AutomataMinimizationTime, 31 MinimizatonAttempts, 23334 StatesRemovedByMinimization, 31 NontrivialMinimizations. Non-live state removal took 3.9s Buchi closure took 0.3s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [21, 1, 4, 1, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1209 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1170 mSDsluCounter, 490 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1091 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2547 IncrementalHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 283 mSDtfsCounter, 2547 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT22 conc0 concLT5 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax352 hnf100 lsp14 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq159 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 125 LassoNonterminationAnalysisSatUnbounded: 4 LassoNonterminationAnalysisUnsat: 27 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 7.3s InitialAbstractionConstructionTime: 4.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.0s, 125 PlacesBefore, 38 PlacesAfterwards, 121 TransitionsBefore, 29 TransitionsAfterwards, 2520 CoEnabledTransitionPairs, 6 FixpointIterations, 47 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 8 ConcurrentYvCompositions, 5 ChoiceCompositions, 98 TotalNumberOfCompositions, 2509 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2439, positive: 2433, positive conditional: 0, positive unconditional: 2433, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1339, positive: 1334, positive conditional: 0, positive unconditional: 1334, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2439, positive: 1099, positive conditional: 0, positive unconditional: 1099, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 1339, unknown conditional: 0, unknown unconditional: 1339] , Statistics on independence cache: Total cache size (in pairs): 90, Positive cache size: 90, Positive conditional cache size: 0, Positive unconditional cache size: 90, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-07-22 12:48:45,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...