/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-semanticLbe.epf -i ../../../trunk/examples/svcomp/weaver/test-easy1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:25:56,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:25:56,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:25:56,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 12:25:56,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 12:25:56,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 12:25:56,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 12:25:56,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 12:25:56,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 12:25:56,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 12:25:56,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 12:25:56,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 12:25:56,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:25:56,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:25:56,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:25:56,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:25:56,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:25:56,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:25:56,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:25:56,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:25:56,244 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:25:56,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:25:56,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:25:56,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:25:56,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:25:56,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-22 12:25:56,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:25:56,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:25:56,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:25:56,278 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-22 12:25:56,335 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:25:56,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:25:56,336 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:25:56,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:25:56,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:25:56,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:25:56,339 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:25:56,339 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:25:56,340 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:25:56,341 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:25:56,341 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:25:56,341 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:25:56,341 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:25:56,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:25:56,342 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:25:56,342 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:25:56,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:25:56,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:25:56,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:25:56,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:25:56,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:25:56,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:25:56,344 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:25:56,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:25:56,344 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:25:56,344 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:25:56,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:25:56,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:25:56,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:25:56,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:25:56,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:25:56,349 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:25:56,349 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:25:56,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:25:56,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:25:56,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:25:56,809 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:25:56,810 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:25:56,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy1.wvr.c [2022-07-22 12:25:56,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d99518ef/9a30eecda13f4656b5628d58589f889b/FLAG48ab2a1c4 [2022-07-22 12:25:57,598 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:25:57,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy1.wvr.c [2022-07-22 12:25:57,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d99518ef/9a30eecda13f4656b5628d58589f889b/FLAG48ab2a1c4 [2022-07-22 12:25:57,913 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d99518ef/9a30eecda13f4656b5628d58589f889b [2022-07-22 12:25:57,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:25:57,926 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:25:57,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:25:57,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:25:57,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:25:57,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:25:57" (1/1) ... [2022-07-22 12:25:57,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18bbcc3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:25:57, skipping insertion in model container [2022-07-22 12:25:57,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:25:57" (1/1) ... [2022-07-22 12:25:57,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:25:57,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:25:58,161 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/test-easy1.wvr.c[1876,1889] [2022-07-22 12:25:58,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:25:58,176 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:25:58,198 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/test-easy1.wvr.c[1876,1889] [2022-07-22 12:25:58,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:25:58,217 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:25:58,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:25:58 WrapperNode [2022-07-22 12:25:58,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:25:58,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:25:58,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:25:58,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:25:58,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:25:58" (1/1) ... [2022-07-22 12:25:58,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:25:58" (1/1) ... [2022-07-22 12:25:58,263 INFO L137 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2022-07-22 12:25:58,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:25:58,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:25:58,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:25:58,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:25:58,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:25:58" (1/1) ... [2022-07-22 12:25:58,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:25:58" (1/1) ... [2022-07-22 12:25:58,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:25:58" (1/1) ... [2022-07-22 12:25:58,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:25:58" (1/1) ... [2022-07-22 12:25:58,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:25:58" (1/1) ... [2022-07-22 12:25:58,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:25:58" (1/1) ... [2022-07-22 12:25:58,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:25:58" (1/1) ... [2022-07-22 12:25:58,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:25:58,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:25:58,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:25:58,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:25:58,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:25:58" (1/1) ... [2022-07-22 12:25:58,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:25:58,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:25:58,339 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 12:25:58,363 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 12:25:58,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:25:58,407 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-22 12:25:58,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-22 12:25:58,407 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-22 12:25:58,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-22 12:25:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:25:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:25:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:25:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:25:58,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:25:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:25:58,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:25:58,411 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 12:25:58,493 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:25:58,496 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:25:58,810 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:25:58,830 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:25:58,834 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 12:25:58,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:25:58 BoogieIcfgContainer [2022-07-22 12:25:58,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:25:58,844 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:25:58,844 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:25:58,849 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:25:58,850 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:25:58,851 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:25:57" (1/3) ... [2022-07-22 12:25:58,852 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@252122ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:25:58, skipping insertion in model container [2022-07-22 12:25:58,853 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:25:58,853 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:25:58" (2/3) ... [2022-07-22 12:25:58,853 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@252122ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:25:58, skipping insertion in model container [2022-07-22 12:25:58,853 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:25:58,854 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:25:58" (3/3) ... [2022-07-22 12:25:58,855 INFO L322 chiAutomizerObserver]: Analyzing ICFG test-easy1.wvr.c [2022-07-22 12:25:58,972 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-22 12:25:59,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 83 transitions, 182 flow [2022-07-22 12:25:59,156 INFO L129 PetriNetUnfolder]: 6/79 cut-off events. [2022-07-22 12:25:59,156 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-22 12:25:59,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 79 events. 6/79 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 40 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-07-22 12:25:59,165 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 83 transitions, 182 flow [2022-07-22 12:25:59,178 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 79 transitions, 170 flow [2022-07-22 12:25:59,183 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-22 12:25:59,204 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 79 transitions, 170 flow [2022-07-22 12:25:59,208 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 79 transitions, 170 flow [2022-07-22 12:25:59,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 79 transitions, 170 flow [2022-07-22 12:25:59,246 INFO L129 PetriNetUnfolder]: 6/79 cut-off events. [2022-07-22 12:25:59,247 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-22 12:25:59,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 79 events. 6/79 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 40 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-07-22 12:25:59,257 INFO L116 LiptonReduction]: Number of co-enabled transitions 368 [2022-07-22 12:26:02,039 INFO L131 LiptonReduction]: Checked pairs total: 364 [2022-07-22 12:26:02,040 INFO L133 LiptonReduction]: Total number of compositions: 80 [2022-07-22 12:26:02,067 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:26:02,068 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:26:02,068 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:26:02,068 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:26:02,068 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:26:02,068 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:26:02,069 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:26:02,069 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:26:02,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:26:02,114 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 10 [2022-07-22 12:26:02,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:26:02,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:26:02,125 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 12:26:02,126 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:26:02,128 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 12:26:02,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 19 states, but on-demand construction may add more states [2022-07-22 12:26:02,134 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 10 [2022-07-22 12:26:02,134 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:26:02,134 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:26:02,135 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 12:26:02,135 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:26:02,143 INFO L748 eck$LassoCheckResult]: Stem: 85#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 88#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 90#[L41-1, L64-4]don't care [2022-07-22 12:26:02,143 INFO L750 eck$LassoCheckResult]: Loop: 90#[L41-1, L64-4]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 90#[L41-1, L64-4]don't care [2022-07-22 12:26:02,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:02,152 INFO L85 PathProgramCache]: Analyzing trace with hash 9998, now seen corresponding path program 1 times [2022-07-22 12:26:02,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:02,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499660264] [2022-07-22 12:26:02,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:02,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:02,313 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:02,366 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:02,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:02,371 INFO L85 PathProgramCache]: Analyzing trace with hash 294, now seen corresponding path program 1 times [2022-07-22 12:26:02,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:02,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47929478] [2022-07-22 12:26:02,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:02,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:02,392 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:02,411 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:02,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:02,416 INFO L85 PathProgramCache]: Analyzing trace with hash 310201, now seen corresponding path program 1 times [2022-07-22 12:26:02,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:02,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830395152] [2022-07-22 12:26:02,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:02,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:02,477 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:02,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:02,542 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:26:02,543 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:26:02,543 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:26:02,543 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:26:02,543 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:26:02,544 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:02,544 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:26:02,544 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:26:02,544 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration1_Loop [2022-07-22 12:26:02,544 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:26:02,544 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:26:02,565 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 12:26:02,572 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 12:26:02,577 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 12:26:02,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:02,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:02,584 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 12:26:02,635 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:26:02,635 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:26:02,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:02,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:02,641 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 12:26:02,650 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:02,650 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:02,666 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 12:26:02,678 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:02,678 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_1=1} Honda state: {v_rep#funAddr~thread2.offset_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:26:02,716 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 12:26:02,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:02,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:02,718 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 12:26:02,721 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 12:26:02,722 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:02,722 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:02,785 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 12:26:02,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:02,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:02,788 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 12:26:02,789 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 12:26:02,789 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:26:02,790 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:02,852 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:26:02,861 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 12:26:02,861 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:26:02,861 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:26:02,862 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:26:02,862 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:26:02,862 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:26:02,862 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:02,862 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:26:02,862 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:26:02,863 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration1_Loop [2022-07-22 12:26:02,863 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:26:02,863 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:26:02,864 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 12:26:02,868 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 12:26:02,871 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 12:26:02,874 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 12:26:02,880 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 12:26:02,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:02,934 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:26:02,940 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:26:02,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:02,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:02,955 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 12:26:03,000 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 12:26:03,001 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 12:26:03,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:03,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:03,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:03,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:03,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:03,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:03,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:03,075 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 12:26:03,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:03,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:03,077 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 12:26:03,079 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 12:26:03,080 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 12:26:03,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:03,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:03,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:03,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:03,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:03,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:03,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:03,168 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 12:26:03,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:03,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:03,172 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 12:26:03,182 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 12:26:03,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:03,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:03,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:03,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:03,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:03,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:03,201 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 12:26:03,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:03,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-22 12:26:03,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:03,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:03,247 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 12:26:03,252 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 12:26:03,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:03,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:26:03,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:03,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:03,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:03,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:26:03,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:26:03,266 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 12:26:03,266 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:26:03,277 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:26:03,278 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:26:03,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:03,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:03,281 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 12:26:03,285 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 12:26:03,286 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:26:03,286 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:26:03,286 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:26:03,287 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x1~0) = -2*~x1~0 + 19999 Supporting invariants [] [2022-07-22 12:26:03,315 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 12:26:03,318 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:26:03,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:03,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:26:03,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:03,410 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:26:03,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:03,411 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 12:26:03,458 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 12:26:03,461 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 19 states, but on-demand construction may add more states Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 12:26:03,515 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 19 states, but on-demand construction may add more states. Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 22 states and 46 transitions. Complement of second has 3 states. [2022-07-22 12:26:03,518 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 12:26:03,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 12:26:03,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2022-07-22 12:26:03,530 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 2 letters. Loop has 1 letters. [2022-07-22 12:26:03,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:03,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-22 12:26:03,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:03,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 2 letters. Loop has 2 letters. [2022-07-22 12:26:03,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:03,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 46 transitions. [2022-07-22 12:26:03,539 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 9 [2022-07-22 12:26:03,546 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 16 states and 35 transitions. [2022-07-22 12:26:03,548 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-07-22 12:26:03,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-22 12:26:03,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 35 transitions. [2022-07-22 12:26:03,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:26:03,561 INFO L220 hiAutomatonCegarLoop]: Abstraction has 16 states and 35 transitions. [2022-07-22 12:26:03,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 35 transitions. [2022-07-22 12:26:03,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2022-07-22 12:26:03,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 14 states have internal predecessors, (32), 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 12:26:03,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 32 transitions. [2022-07-22 12:26:03,599 INFO L242 hiAutomatonCegarLoop]: Abstraction has 15 states and 32 transitions. [2022-07-22 12:26:03,599 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 32 transitions. [2022-07-22 12:26:03,599 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 12:26:03,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 32 transitions. [2022-07-22 12:26:03,602 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 9 [2022-07-22 12:26:03,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:26:03,602 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:26:03,603 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-22 12:26:03,603 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:26:03,604 INFO L748 eck$LassoCheckResult]: Stem: 179#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 181#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 191#[L41-1, L64-4]don't care [269] L64-4-->L65-3: Formula: (and (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= (store |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre7#1_19|)) |v_#memory_int_41|) (= |v_ULTIMATE.start_main_#t~pre7#1_19| |v_#pthreadsForks_32|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_42|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_19|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet6#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 173#[L41-1, L65-3]don't care [2022-07-22 12:26:03,604 INFO L750 eck$LassoCheckResult]: Loop: 173#[L41-1, L65-3]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 173#[L41-1, L65-3]don't care [2022-07-22 12:26:03,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:03,605 INFO L85 PathProgramCache]: Analyzing trace with hash 310207, now seen corresponding path program 1 times [2022-07-22 12:26:03,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:03,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852818801] [2022-07-22 12:26:03,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:03,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:03,702 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:03,734 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 12:26:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:03,747 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:03,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:03,748 INFO L85 PathProgramCache]: Analyzing trace with hash 294, now seen corresponding path program 2 times [2022-07-22 12:26:03,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:03,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367558882] [2022-07-22 12:26:03,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:03,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:03,763 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:03,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:03,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:03,769 INFO L85 PathProgramCache]: Analyzing trace with hash 9616680, now seen corresponding path program 1 times [2022-07-22 12:26:03,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:03,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222562910] [2022-07-22 12:26:03,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:03,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:03,820 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:03,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:03,866 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:26:03,866 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:26:03,867 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:26:03,867 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:26:03,867 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:26:03,867 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:03,867 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:26:03,867 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:26:03,867 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration2_Loop [2022-07-22 12:26:03,867 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:26:03,867 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:26:03,868 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 12:26:03,871 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 12:26:03,873 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 12:26:03,875 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 12:26:03,877 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 12:26:03,880 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 12:26:03,925 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:26:03,926 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:26:03,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:03,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:03,927 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 12:26:03,935 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:03,935 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:03,950 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 12:26:03,953 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:03,953 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_3=1} Honda state: {v_rep#funAddr~thread2.offset_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:26:03,979 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 12:26:03,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:03,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:03,981 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 12:26:03,983 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 12:26:03,983 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:03,983 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:04,001 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:04,001 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 12:26:04,026 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 12:26:04,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:04,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:04,028 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 12:26:04,031 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 12:26:04,031 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:04,031 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:04,046 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:04,046 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 12:26:04,069 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 12:26:04,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:04,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:04,071 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 12:26:04,073 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 12:26:04,073 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:04,073 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:04,090 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:04,090 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_#t~post1=0} Honda state: {thread1Thread1of1ForFork0_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:26:04,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-07-22 12:26:04,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:04,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:04,114 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 12:26:04,116 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 12:26:04,117 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:04,117 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:04,153 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 12:26:04,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:04,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:04,155 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 12:26:04,159 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 12:26:04,159 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:26:04,159 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:04,207 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:26:04,210 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 12:26:04,211 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:26:04,211 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:26:04,211 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:26:04,211 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:26:04,211 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:26:04,211 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:04,211 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:26:04,211 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:26:04,212 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration2_Loop [2022-07-22 12:26:04,212 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:26:04,212 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:26:04,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:04,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:04,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:04,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:04,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:04,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:04,271 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:26:04,271 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:26:04,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:04,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:04,273 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 12:26:04,287 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 12:26:04,287 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 12:26:04,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:04,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:04,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:04,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:04,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:04,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:04,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:04,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-22 12:26:04,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:04,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:04,353 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 12:26:04,356 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 12:26:04,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:04,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:04,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:04,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:04,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:04,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:04,384 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 12:26:04,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:04,430 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 12:26:04,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:04,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:04,434 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 12:26:04,438 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 12:26:04,438 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 12:26:04,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:04,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:04,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:04,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:04,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:04,450 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:04,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:04,486 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 12:26:04,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:04,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:04,487 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 12:26:04,488 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 12:26:04,490 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 12:26:04,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:04,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:26:04,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:04,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:04,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:04,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:26:04,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:26:04,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:04,528 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 12:26:04,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:04,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:04,529 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 12:26:04,531 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 12:26:04,532 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 12:26:04,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:04,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:26:04,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:04,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:04,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:04,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:26:04,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:26:04,544 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:26:04,546 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:26:04,546 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:26:04,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:04,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:04,547 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 12:26:04,548 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 12:26:04,549 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:26:04,549 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:26:04,549 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:26:04,549 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x1~0) = -2*~x1~0 + 19999 Supporting invariants [] [2022-07-22 12:26:04,571 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 12:26:04,572 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:26:04,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:04,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:26:04,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:04,633 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:26:04,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:04,634 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 12:26:04,634 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 12:26:04,635 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 32 transitions. cyclomatic complexity: 27 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 12:26:04,666 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 32 transitions. cyclomatic complexity: 27. 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 19 states and 43 transitions. Complement of second has 3 states. [2022-07-22 12:26:04,668 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 12:26:04,669 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 12:26:04,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. [2022-07-22 12:26:04,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-22 12:26:04,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:04,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-22 12:26:04,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:04,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2022-07-22 12:26:04,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:04,670 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 43 transitions. [2022-07-22 12:26:04,671 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-22 12:26:04,672 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 43 transitions. [2022-07-22 12:26:04,672 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-07-22 12:26:04,676 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-07-22 12:26:04,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 43 transitions. [2022-07-22 12:26:04,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:26:04,677 INFO L220 hiAutomatonCegarLoop]: Abstraction has 19 states and 43 transitions. [2022-07-22 12:26:04,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 43 transitions. [2022-07-22 12:26:04,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 16. [2022-07-22 12:26:04,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 2.1875) internal successors, (35), 15 states have internal predecessors, (35), 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 12:26:04,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 35 transitions. [2022-07-22 12:26:04,686 INFO L242 hiAutomatonCegarLoop]: Abstraction has 16 states and 35 transitions. [2022-07-22 12:26:04,686 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 35 transitions. [2022-07-22 12:26:04,687 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 12:26:04,687 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 35 transitions. [2022-07-22 12:26:04,688 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-22 12:26:04,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:26:04,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:26:04,688 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 12:26:04,688 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:26:04,689 INFO L748 eck$LassoCheckResult]: Stem: 258#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 260#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 270#[L41-1, L64-4]don't care [269] L64-4-->L65-3: Formula: (and (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= (store |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre7#1_19|)) |v_#memory_int_41|) (= |v_ULTIMATE.start_main_#t~pre7#1_19| |v_#pthreadsForks_32|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_42|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_19|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet6#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 250#[L41-1, L65-3]don't care [205] L65-3-->L49-1: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre7#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_8|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~post2, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 256#[L49-1, L65-4, L41-1]don't care [2022-07-22 12:26:04,689 INFO L750 eck$LassoCheckResult]: Loop: 256#[L49-1, L65-4, L41-1]don't care [260] L49-1-->L49-1: Formula: (and (= (+ v_~x2~0_32 1) v_~x2~0_31) (< v_~x2~0_32 10000)) InVars {~x2~0=v_~x2~0_32} OutVars{~x2~0=v_~x2~0_31, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_15|} AuxVars[] AssignedVars[~x2~0, thread2Thread1of1ForFork1_#t~post2] 256#[L49-1, L65-4, L41-1]don't care [2022-07-22 12:26:04,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:04,690 INFO L85 PathProgramCache]: Analyzing trace with hash 9616622, now seen corresponding path program 1 times [2022-07-22 12:26:04,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:04,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746002085] [2022-07-22 12:26:04,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:04,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:04,742 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:04,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:04,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:04,775 INFO L85 PathProgramCache]: Analyzing trace with hash 291, now seen corresponding path program 1 times [2022-07-22 12:26:04,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:04,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723672938] [2022-07-22 12:26:04,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:04,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:04,780 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:04,784 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:04,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:04,784 INFO L85 PathProgramCache]: Analyzing trace with hash 298115542, now seen corresponding path program 1 times [2022-07-22 12:26:04,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:04,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936167009] [2022-07-22 12:26:04,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:04,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:04,812 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:04,829 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:04,839 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:26:04,840 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:26:04,840 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:26:04,840 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:26:04,840 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:26:04,840 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:04,840 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:26:04,840 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:26:04,841 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration3_Loop [2022-07-22 12:26:04,841 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:26:04,841 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:26:04,842 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 12:26:04,844 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 12:26:04,846 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 12:26:04,848 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 12:26:04,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:04,863 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 12:26:04,917 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:26:04,917 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:26:04,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:04,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:04,923 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 12:26:04,928 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 12:26:04,929 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:04,929 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:04,954 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:04,954 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 12:26:04,978 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 12:26:04,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:04,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:04,980 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 12:26:04,990 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 12:26:04,990 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:04,991 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:05,006 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:05,006 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_5=1} Honda state: {v_rep#funAddr~thread2.offset_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:26:05,028 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 12:26:05,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:05,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:05,029 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 12:26:05,031 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:05,031 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:05,031 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 12:26:05,045 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:05,045 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 12:26:05,068 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 12:26:05,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:05,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:05,072 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 12:26:05,074 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 12:26:05,076 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:05,076 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:05,107 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 12:26:05,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:05,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:05,109 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 12:26:05,109 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 12:26:05,110 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:26:05,110 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:05,151 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:26:05,156 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 12:26:05,156 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:26:05,156 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:26:05,156 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:26:05,157 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:26:05,157 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:26:05,157 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:05,157 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:26:05,157 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:26:05,157 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration3_Loop [2022-07-22 12:26:05,157 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:26:05,157 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:26:05,159 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 12:26:05,162 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 12:26:05,164 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 12:26:05,165 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 12:26:05,169 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 12:26:05,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:05,229 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:26:05,229 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:26:05,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:05,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:05,230 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 12:26:05,231 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 12:26:05,232 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 12:26:05,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:05,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:05,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:05,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:05,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:05,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:05,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:05,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-07-22 12:26:05,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:05,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:05,299 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 12:26:05,301 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 12:26:05,301 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 12:26:05,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:05,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:05,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:05,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:05,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:05,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:05,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:05,350 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 12:26:05,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:05,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:05,351 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 12:26:05,352 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 12:26:05,354 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 12:26:05,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:05,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:26:05,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:05,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:05,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:05,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:26:05,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:26:05,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:05,389 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 12:26:05,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:05,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:05,392 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 12:26:05,393 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 12:26:05,394 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 12:26:05,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:05,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:05,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:05,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:05,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:05,403 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:05,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:05,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-07-22 12:26:05,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:05,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:05,430 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 12:26:05,431 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 12:26:05,431 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 12:26:05,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:05,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:26:05,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:05,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:05,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:05,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:26:05,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:26:05,442 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:26:05,448 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:26:05,448 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:26:05,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:05,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:05,452 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 12:26:05,459 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:26:05,459 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:26:05,459 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:26:05,459 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x2~0) = -2*~x2~0 + 19999 Supporting invariants [] [2022-07-22 12:26:05,459 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 12:26:05,485 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 12:26:05,486 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:26:05,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:05,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:26:05,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:05,542 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:26:05,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:05,543 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 12:26:05,545 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 12:26:05,545 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 35 transitions. cyclomatic complexity: 29 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 12:26:05,587 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 35 transitions. cyclomatic complexity: 29. 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 25 states and 64 transitions. Complement of second has 3 states. [2022-07-22 12:26:05,587 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 12:26:05,589 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 12:26:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2022-07-22 12:26:05,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-22 12:26:05,590 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:05,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:26:05,590 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:05,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-22 12:26:05,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:05,591 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 64 transitions. [2022-07-22 12:26:05,600 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-22 12:26:05,605 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 64 transitions. [2022-07-22 12:26:05,605 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-07-22 12:26:05,606 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2022-07-22 12:26:05,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 64 transitions. [2022-07-22 12:26:05,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:26:05,610 INFO L220 hiAutomatonCegarLoop]: Abstraction has 25 states and 64 transitions. [2022-07-22 12:26:05,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 64 transitions. [2022-07-22 12:26:05,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 20. [2022-07-22 12:26:05,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 2.45) internal successors, (49), 19 states have internal predecessors, (49), 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 12:26:05,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 49 transitions. [2022-07-22 12:26:05,617 INFO L242 hiAutomatonCegarLoop]: Abstraction has 20 states and 49 transitions. [2022-07-22 12:26:05,617 INFO L425 stractBuchiCegarLoop]: Abstraction has 20 states and 49 transitions. [2022-07-22 12:26:05,617 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-22 12:26:05,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 49 transitions. [2022-07-22 12:26:05,619 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-22 12:26:05,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:26:05,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:26:05,621 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 12:26:05,621 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:26:05,622 INFO L748 eck$LassoCheckResult]: Stem: 338#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 340#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 362#[L41-1, L64-4]don't care [269] L64-4-->L65-3: Formula: (and (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= (store |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre7#1_19|)) |v_#memory_int_41|) (= |v_ULTIMATE.start_main_#t~pre7#1_19| |v_#pthreadsForks_32|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_42|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_19|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet6#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 342#[L41-1, L65-3]don't care [205] L65-3-->L49-1: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre7#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_8|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~post2, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 348#[L49-1, L65-4, L41-1]don't care [257] L65-4-->L66-1: Formula: (and (= (select |v_#valid_60| |v_ULTIMATE.start_main_~#t1~0#1.base_21|) 1) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_17|) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_17|) (select |v_#length_35| |v_ULTIMATE.start_main_~#t1~0#1.base_21|)) (= (select (select |v_#memory_int_29| |v_ULTIMATE.start_main_~#t1~0#1.base_21|) |v_ULTIMATE.start_main_~#t1~0#1.offset_17|) |v_ULTIMATE.start_main_#t~mem9#1_12|)) InVars {#valid=|v_#valid_60|, #memory_int=|v_#memory_int_29|, #length=|v_#length_35|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_21|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_17|} OutVars{ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_7|, #valid=|v_#valid_60|, #memory_int=|v_#memory_int_29|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_12|, #length=|v_#length_35|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_15|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_21|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~mem9#1, ULTIMATE.start_main_#t~pre7#1] 352#[L49-1, L41-1, L66-1]don't care [2022-07-22 12:26:05,623 INFO L750 eck$LassoCheckResult]: Loop: 352#[L49-1, L41-1, L66-1]don't care [260] L49-1-->L49-1: Formula: (and (= (+ v_~x2~0_32 1) v_~x2~0_31) (< v_~x2~0_32 10000)) InVars {~x2~0=v_~x2~0_32} OutVars{~x2~0=v_~x2~0_31, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_15|} AuxVars[] AssignedVars[~x2~0, thread2Thread1of1ForFork1_#t~post2] 352#[L49-1, L41-1, L66-1]don't care [2022-07-22 12:26:05,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:05,623 INFO L85 PathProgramCache]: Analyzing trace with hash 298115539, now seen corresponding path program 1 times [2022-07-22 12:26:05,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:05,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763381548] [2022-07-22 12:26:05,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:05,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:05,678 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:05,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:05,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:05,705 INFO L85 PathProgramCache]: Analyzing trace with hash 291, now seen corresponding path program 2 times [2022-07-22 12:26:05,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:05,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082858158] [2022-07-22 12:26:05,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:05,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:05,710 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:05,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:05,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:05,718 INFO L85 PathProgramCache]: Analyzing trace with hash 651647377, now seen corresponding path program 1 times [2022-07-22 12:26:05,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:05,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124345993] [2022-07-22 12:26:05,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:05,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:05,759 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:05,795 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:05,810 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:26:05,811 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:26:05,811 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:26:05,811 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:26:05,811 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:26:05,811 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:05,811 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:26:05,811 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:26:05,811 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration4_Loop [2022-07-22 12:26:05,811 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:26:05,812 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:26:05,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:05,815 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 12:26:05,817 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 12:26:05,819 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 12:26:05,821 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 12:26:05,825 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 12:26:05,861 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:26:05,861 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:26:05,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:05,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:05,863 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 12:26:05,869 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:05,869 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:05,874 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 12:26:05,891 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:05,891 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 12:26:05,914 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 12:26:05,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:05,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:05,916 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 12:26:05,917 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:05,917 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:05,921 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 12:26:05,931 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:05,931 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 12:26:05,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-07-22 12:26:05,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:05,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:05,960 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 12:26:05,961 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 12:26:05,961 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:05,961 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:05,975 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:05,975 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_7=0} Honda state: {v_rep#funAddr~thread1.offset_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:26:05,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-07-22 12:26:05,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:05,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:05,998 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 12:26:06,001 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:06,002 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:06,016 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 12:26:06,022 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:06,022 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_7=1} Honda state: {v_rep#funAddr~thread2.offset_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:26:06,044 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 12:26:06,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:06,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:06,046 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 12:26:06,046 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 12:26:06,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:06,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:06,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-07-22 12:26:06,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:06,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:06,079 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 12:26:06,081 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 12:26:06,115 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:26:06,115 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:06,143 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 12:26:06,173 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 12:26:06,173 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:26:06,176 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 12:26:06,177 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:26:06,177 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:26:06,177 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:26:06,177 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:26:06,177 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:26:06,177 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:06,177 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:26:06,177 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:26:06,177 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration4_Loop [2022-07-22 12:26:06,178 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:26:06,178 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:26:06,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:06,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:06,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:06,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:06,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:06,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:06,239 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:26:06,240 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:26:06,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:06,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:06,241 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 12:26:06,252 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 12:26:06,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:06,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:06,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:06,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:06,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:06,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:06,270 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 12:26:06,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:06,316 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 12:26:06,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:06,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:06,318 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 12:26:06,321 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 12:26:06,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:06,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:06,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:06,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:06,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:06,334 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:06,338 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 12:26:06,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:06,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-07-22 12:26:06,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:06,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:06,392 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 12:26:06,396 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 12:26:06,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:06,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:06,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:06,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:06,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:06,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:06,414 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 12:26:06,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:06,469 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 12:26:06,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:06,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:06,471 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 12:26:06,476 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 12:26:06,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:06,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:26:06,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:06,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:06,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:06,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:26:06,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:26:06,496 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 12:26:06,509 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:26:06,515 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:26:06,515 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:26:06,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:06,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:06,518 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 12:26:06,523 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:26:06,524 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:26:06,524 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:26:06,524 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x2~0) = -2*~x2~0 + 19999 Supporting invariants [] [2022-07-22 12:26:06,537 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 12:26:06,559 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 12:26:06,560 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:26:06,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:06,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:26:06,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:06,599 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:26:06,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:06,600 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 12:26:06,601 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 12:26:06,601 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 49 transitions. cyclomatic complexity: 41 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 12:26:06,630 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 49 transitions. cyclomatic complexity: 41. 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 29 states and 71 transitions. Complement of second has 3 states. [2022-07-22 12:26:06,630 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 12:26:06,631 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 12:26:06,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 10 transitions. [2022-07-22 12:26:06,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:26:06,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:06,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:26:06,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:06,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-22 12:26:06,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:06,632 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 71 transitions. [2022-07-22 12:26:06,634 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-22 12:26:06,635 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 71 transitions. [2022-07-22 12:26:06,635 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-07-22 12:26:06,635 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-07-22 12:26:06,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 71 transitions. [2022-07-22 12:26:06,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:26:06,636 INFO L220 hiAutomatonCegarLoop]: Abstraction has 29 states and 71 transitions. [2022-07-22 12:26:06,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 71 transitions. [2022-07-22 12:26:06,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 24. [2022-07-22 12:26:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 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 12:26:06,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 61 transitions. [2022-07-22 12:26:06,640 INFO L242 hiAutomatonCegarLoop]: Abstraction has 24 states and 61 transitions. [2022-07-22 12:26:06,640 INFO L425 stractBuchiCegarLoop]: Abstraction has 24 states and 61 transitions. [2022-07-22 12:26:06,640 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-22 12:26:06,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 61 transitions. [2022-07-22 12:26:06,642 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-22 12:26:06,642 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:26:06,642 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:26:06,642 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 12:26:06,642 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:26:06,643 INFO L748 eck$LassoCheckResult]: Stem: 441#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 443#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 463#[L41-1, L64-4]don't care [269] L64-4-->L65-3: Formula: (and (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= (store |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre7#1_19|)) |v_#memory_int_41|) (= |v_ULTIMATE.start_main_#t~pre7#1_19| |v_#pthreadsForks_32|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_42|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_19|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet6#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 445#[L41-1, L65-3]don't care [205] L65-3-->L49-1: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre7#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_8|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~post2, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 451#[L49-1, L65-4, L41-1]don't care [247] L49-1-->thread2EXIT: Formula: (and (not (< v_~x2~0_23 10000)) (= |v_thread2Thread1of1ForFork1_#res.base_9| 0) (= |v_thread2Thread1of1ForFork1_#res.offset_9| 0)) InVars {~x2~0=v_~x2~0_23} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_9|, ~x2~0=v_~x2~0_23, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#res.base] 457#[thread2EXIT, L65-4, L41-1]don't care [2022-07-22 12:26:06,643 INFO L750 eck$LassoCheckResult]: Loop: 457#[thread2EXIT, L65-4, L41-1]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 457#[thread2EXIT, L65-4, L41-1]don't care [2022-07-22 12:26:06,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:06,644 INFO L85 PathProgramCache]: Analyzing trace with hash 298115529, now seen corresponding path program 1 times [2022-07-22 12:26:06,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:06,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949016359] [2022-07-22 12:26:06,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:06,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:06,664 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:06,678 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:06,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:06,679 INFO L85 PathProgramCache]: Analyzing trace with hash 294, now seen corresponding path program 3 times [2022-07-22 12:26:06,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:06,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978678961] [2022-07-22 12:26:06,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:06,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:06,683 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:06,686 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:06,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:06,686 INFO L85 PathProgramCache]: Analyzing trace with hash 651647070, now seen corresponding path program 1 times [2022-07-22 12:26:06,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:06,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791102158] [2022-07-22 12:26:06,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:06,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:06,757 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 12:26:06,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:26:06,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791102158] [2022-07-22 12:26:06,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791102158] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:26:06,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:26:06,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:26:06,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090686339] [2022-07-22 12:26:06,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:26:06,772 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:26:06,773 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:26:06,773 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:26:06,773 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:26:06,773 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:26:06,773 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:06,773 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:26:06,773 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:26:06,774 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration5_Loop [2022-07-22 12:26:06,774 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:26:06,774 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:26:06,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:06,777 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 12:26:06,781 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 12:26:06,783 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 12:26:06,785 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 12:26:06,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:06,825 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:26:06,825 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:26:06,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:06,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:06,827 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 12:26:06,829 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:06,829 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:06,844 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 12:26:06,850 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:06,850 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_9=0} Honda state: {v_rep#funAddr~thread1.offset_9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:26:06,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-07-22 12:26:06,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:06,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:06,885 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 12:26:06,892 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:06,892 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:06,903 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 12:26:06,945 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 12:26:06,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:06,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:06,946 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 12:26:06,949 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:26:06,949 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:06,964 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 12:26:06,991 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:26:06,993 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 12:26:06,993 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:26:06,993 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:26:06,993 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:26:06,994 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:26:06,994 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:26:06,994 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:06,994 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:26:06,994 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:26:06,994 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration5_Loop [2022-07-22 12:26:06,994 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:26:06,994 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:26:06,995 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 12:26:07,002 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 12:26:07,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:07,005 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 12:26:07,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:07,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:07,058 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:26:07,059 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:26:07,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:07,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:07,060 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 12:26:07,066 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 12:26:07,069 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 12:26:07,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:07,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:26:07,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:07,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:07,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:07,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:26:07,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:26:07,089 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:26:07,092 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:26:07,092 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:26:07,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:07,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:07,094 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 12:26:07,098 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:26:07,099 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:26:07,099 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:26:07,099 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x1~0) = -2*~x1~0 + 19999 Supporting invariants [] [2022-07-22 12:26:07,112 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 12:26:07,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-07-22 12:26:07,133 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:26:07,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:07,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:26:07,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:07,185 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:26:07,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:07,186 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 12:26:07,187 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 12:26:07,187 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 61 transitions. cyclomatic complexity: 51 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 12:26:07,217 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 61 transitions. cyclomatic complexity: 51. 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 28 states and 66 transitions. Complement of second has 3 states. [2022-07-22 12:26:07,217 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 12:26:07,222 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 12:26:07,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 12 transitions. [2022-07-22 12:26:07,223 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:26:07,223 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:07,223 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:26:07,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:07,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-22 12:26:07,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:07,224 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 66 transitions. [2022-07-22 12:26:07,230 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 7 [2022-07-22 12:26:07,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 26 states and 61 transitions. [2022-07-22 12:26:07,234 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-07-22 12:26:07,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-07-22 12:26:07,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 61 transitions. [2022-07-22 12:26:07,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:26:07,235 INFO L220 hiAutomatonCegarLoop]: Abstraction has 26 states and 61 transitions. [2022-07-22 12:26:07,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 61 transitions. [2022-07-22 12:26:07,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2022-07-22 12:26:07,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 2.4) internal successors, (60), 24 states have internal predecessors, (60), 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 12:26:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 60 transitions. [2022-07-22 12:26:07,246 INFO L242 hiAutomatonCegarLoop]: Abstraction has 25 states and 60 transitions. [2022-07-22 12:26:07,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:26:07,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:26:07,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:26:07,251 INFO L87 Difference]: Start difference. First operand 25 states and 60 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 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 12:26:07,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:26:07,313 INFO L93 Difference]: Finished difference Result 38 states and 79 transitions. [2022-07-22 12:26:07,313 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 79 transitions. [2022-07-22 12:26:07,318 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 7 [2022-07-22 12:26:07,321 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 28 states and 66 transitions. [2022-07-22 12:26:07,321 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2022-07-22 12:26:07,322 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2022-07-22 12:26:07,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 66 transitions. [2022-07-22 12:26:07,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:26:07,323 INFO L220 hiAutomatonCegarLoop]: Abstraction has 28 states and 66 transitions. [2022-07-22 12:26:07,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 66 transitions. [2022-07-22 12:26:07,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-07-22 12:26:07,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 2.357142857142857) internal successors, (66), 27 states have internal predecessors, (66), 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 12:26:07,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 66 transitions. [2022-07-22 12:26:07,330 INFO L242 hiAutomatonCegarLoop]: Abstraction has 28 states and 66 transitions. [2022-07-22 12:26:07,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 12:26:07,332 INFO L425 stractBuchiCegarLoop]: Abstraction has 28 states and 66 transitions. [2022-07-22 12:26:07,333 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-22 12:26:07,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 66 transitions. [2022-07-22 12:26:07,334 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 7 [2022-07-22 12:26:07,334 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:26:07,334 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:26:07,335 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 12:26:07,335 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:26:07,335 INFO L748 eck$LassoCheckResult]: Stem: 643#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 645#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 667#[L41-1, L64-4]don't care [269] L64-4-->L65-3: Formula: (and (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= (store |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre7#1_19|)) |v_#memory_int_41|) (= |v_ULTIMATE.start_main_#t~pre7#1_19| |v_#pthreadsForks_32|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_42|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_19|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet6#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 647#[L41-1, L65-3]don't care [205] L65-3-->L49-1: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre7#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_8|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~post2, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 651#[L49-1, L65-4, L41-1]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 657#[L49-1, L65-4, L41-1]don't care [2022-07-22 12:26:07,335 INFO L750 eck$LassoCheckResult]: Loop: 657#[L49-1, L65-4, L41-1]don't care [260] L49-1-->L49-1: Formula: (and (= (+ v_~x2~0_32 1) v_~x2~0_31) (< v_~x2~0_32 10000)) InVars {~x2~0=v_~x2~0_32} OutVars{~x2~0=v_~x2~0_31, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_15|} AuxVars[] AssignedVars[~x2~0, thread2Thread1of1ForFork1_#t~post2] 657#[L49-1, L65-4, L41-1]don't care [2022-07-22 12:26:07,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:07,336 INFO L85 PathProgramCache]: Analyzing trace with hash 298115545, now seen corresponding path program 1 times [2022-07-22 12:26:07,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:07,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262624915] [2022-07-22 12:26:07,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:07,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:07,371 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:07,394 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:07,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:07,397 INFO L85 PathProgramCache]: Analyzing trace with hash 291, now seen corresponding path program 3 times [2022-07-22 12:26:07,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:07,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124195907] [2022-07-22 12:26:07,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:07,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:07,404 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:07,414 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:07,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:07,417 INFO L85 PathProgramCache]: Analyzing trace with hash 651647563, now seen corresponding path program 1 times [2022-07-22 12:26:07,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:07,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669610251] [2022-07-22 12:26:07,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:07,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:07,448 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:07,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:07,480 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:26:07,480 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:26:07,480 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:26:07,480 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:26:07,480 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:26:07,480 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:07,481 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:26:07,481 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:26:07,481 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration6_Loop [2022-07-22 12:26:07,482 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:26:07,482 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:26:07,483 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 12:26:07,487 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 12:26:07,488 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 12:26:07,490 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 12:26:07,496 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 12:26:07,498 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 12:26:07,539 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:26:07,540 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:26:07,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:07,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:07,541 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 12:26:07,552 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:07,552 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:07,565 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 12:26:07,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-07-22 12:26:07,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:07,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:07,612 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 12:26:07,614 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:26:07,614 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:07,629 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 12:26:07,673 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:26:07,675 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 12:26:07,676 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:26:07,676 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:26:07,676 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:26:07,676 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:26:07,676 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:26:07,676 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:07,676 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:26:07,676 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:26:07,676 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration6_Loop [2022-07-22 12:26:07,676 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:26:07,676 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:26:07,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:07,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:07,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:07,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:07,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:07,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:07,742 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:26:07,742 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:26:07,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:07,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:07,744 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 12:26:07,745 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 12:26:07,746 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 12:26:07,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:07,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:26:07,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:07,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:07,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:07,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:26:07,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:26:07,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:07,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-07-22 12:26:07,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:07,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:07,791 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 12:26:07,796 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 12:26:07,796 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 12:26:07,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:07,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:26:07,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:07,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:07,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:07,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:26:07,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:26:07,807 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:26:07,810 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:26:07,810 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:26:07,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:07,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:07,812 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 12:26:07,813 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 12:26:07,813 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:26:07,813 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:26:07,813 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:26:07,813 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x2~0) = -2*~x2~0 + 19999 Supporting invariants [] [2022-07-22 12:26:07,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-07-22 12:26:07,837 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:26:07,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:07,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:26:07,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:07,891 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:26:07,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:07,892 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 12:26:07,893 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 12:26:07,893 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 66 transitions. cyclomatic complexity: 52 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 12:26:07,941 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 66 transitions. cyclomatic complexity: 52. 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 54 states and 134 transitions. Complement of second has 3 states. [2022-07-22 12:26:07,942 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 12:26:07,942 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 12:26:07,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 12 transitions. [2022-07-22 12:26:07,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:26:07,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:07,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:26:07,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:07,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-22 12:26:07,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:07,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 134 transitions. [2022-07-22 12:26:07,945 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 11 [2022-07-22 12:26:07,946 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 54 states and 134 transitions. [2022-07-22 12:26:07,947 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2022-07-22 12:26:07,947 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2022-07-22 12:26:07,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 134 transitions. [2022-07-22 12:26:07,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:26:07,948 INFO L220 hiAutomatonCegarLoop]: Abstraction has 54 states and 134 transitions. [2022-07-22 12:26:07,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 134 transitions. [2022-07-22 12:26:07,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 33. [2022-07-22 12:26:07,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 2.6363636363636362) internal successors, (87), 32 states have internal predecessors, (87), 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 12:26:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 87 transitions. [2022-07-22 12:26:07,952 INFO L242 hiAutomatonCegarLoop]: Abstraction has 33 states and 87 transitions. [2022-07-22 12:26:07,953 INFO L425 stractBuchiCegarLoop]: Abstraction has 33 states and 87 transitions. [2022-07-22 12:26:07,953 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-22 12:26:07,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 87 transitions. [2022-07-22 12:26:07,954 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 7 [2022-07-22 12:26:07,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:26:07,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:26:07,954 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2022-07-22 12:26:07,954 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:26:07,955 INFO L748 eck$LassoCheckResult]: Stem: 797#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 799#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 813#[L41-1, L64-4]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 815#[L41-1, L64-4]don't care [269] L64-4-->L65-3: Formula: (and (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= (store |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre7#1_19|)) |v_#memory_int_41|) (= |v_ULTIMATE.start_main_#t~pre7#1_19| |v_#pthreadsForks_32|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_42|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_19|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet6#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 819#[L41-1, L65-3]don't care [205] L65-3-->L49-1: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre7#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_8|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~post2, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 795#[L49-1, L65-4, L41-1]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 809#[L49-1, L65-4, L41-1]don't care [2022-07-22 12:26:07,955 INFO L750 eck$LassoCheckResult]: Loop: 809#[L49-1, L65-4, L41-1]don't care [260] L49-1-->L49-1: Formula: (and (= (+ v_~x2~0_32 1) v_~x2~0_31) (< v_~x2~0_32 10000)) InVars {~x2~0=v_~x2~0_32} OutVars{~x2~0=v_~x2~0_31, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_15|} AuxVars[] AssignedVars[~x2~0, thread2Thread1of1ForFork1_#t~post2] 809#[L49-1, L65-4, L41-1]don't care [2022-07-22 12:26:07,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:07,956 INFO L85 PathProgramCache]: Analyzing trace with hash 651528526, now seen corresponding path program 2 times [2022-07-22 12:26:07,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:07,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894542731] [2022-07-22 12:26:07,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:07,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:07,969 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:07,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:07,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:07,980 INFO L85 PathProgramCache]: Analyzing trace with hash 291, now seen corresponding path program 4 times [2022-07-22 12:26:07,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:07,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799264947] [2022-07-22 12:26:07,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:07,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:07,985 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:07,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:07,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:07,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1277451914, now seen corresponding path program 2 times [2022-07-22 12:26:07,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:07,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832760076] [2022-07-22 12:26:07,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:07,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:08,001 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:08,010 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:08,021 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:26:08,021 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:26:08,022 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:26:08,022 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:26:08,022 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:26:08,022 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:08,022 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:26:08,022 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:26:08,022 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration7_Loop [2022-07-22 12:26:08,022 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:26:08,022 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:26:08,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:08,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:08,027 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 12:26:08,029 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 12:26:08,031 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 12:26:08,033 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 12:26:08,075 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:26:08,075 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:26:08,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:08,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:08,095 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 12:26:08,097 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:08,097 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:08,112 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 12:26:08,118 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:08,118 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 12:26:08,145 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 12:26:08,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:08,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:08,146 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 12:26:08,171 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 12:26:08,179 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:08,179 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:08,209 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:08,209 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_#t~post2=0} Honda state: {thread2Thread1of1ForFork1_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:26:08,212 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 12:26:08,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-07-22 12:26:08,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:08,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:08,242 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 12:26:08,244 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 12:26:08,249 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 12:26:08,250 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:08,250 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:08,274 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:08,274 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 12:26:08,277 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 12:26:08,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-07-22 12:26:08,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:08,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:08,299 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 12:26:08,300 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 12:26:08,301 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:08,301 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:08,316 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:08,316 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 12:26:08,338 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 12:26:08,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:08,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:08,340 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 12:26:08,341 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 12:26:08,342 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:08,342 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:08,355 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:08,356 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 12:26:08,378 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 12:26:08,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:08,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:08,379 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 12:26:08,379 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 12:26:08,380 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:08,380 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:08,415 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 12:26:08,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:08,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:08,417 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 12:26:08,421 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:26:08,421 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:08,442 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 12:26:08,488 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:26:08,491 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 12:26:08,492 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:26:08,492 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:26:08,492 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:26:08,492 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:26:08,492 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:26:08,492 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:08,492 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:26:08,492 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:26:08,492 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration7_Loop [2022-07-22 12:26:08,493 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:26:08,493 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:26:08,494 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 12:26:08,497 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 12:26:08,499 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 12:26:08,501 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 12:26:08,502 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 12:26:08,507 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 12:26:08,547 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:26:08,547 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:26:08,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:08,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:08,548 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 12:26:08,556 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 12:26:08,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:08,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:08,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:08,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:08,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:08,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:08,572 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 12:26:08,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:08,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-07-22 12:26:08,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:08,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:08,600 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 12:26:08,601 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 12:26:08,601 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 12:26:08,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:08,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:08,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:08,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:08,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:08,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:08,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:08,656 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 12:26:08,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:08,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:08,657 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 12:26:08,658 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 12:26:08,659 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 12:26:08,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:08,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:08,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:08,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:08,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:08,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:08,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:08,700 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 12:26:08,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:08,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:08,701 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 12:26:08,702 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 12:26:08,703 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 12:26:08,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:08,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:08,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:08,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:08,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:08,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:08,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:08,766 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 12:26:08,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:08,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:08,767 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 12:26:08,770 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 12:26:08,770 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 12:26:08,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:08,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:26:08,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:08,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:08,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:08,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:26:08,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:26:08,795 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:26:08,800 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:26:08,801 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:26:08,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:08,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:08,802 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 12:26:08,808 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 12:26:08,808 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:26:08,810 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:26:08,810 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:26:08,810 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x2~0) = -2*~x2~0 + 19999 Supporting invariants [] [2022-07-22 12:26:08,840 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 12:26:08,840 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:26:08,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:08,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:26:08,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:08,883 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:26:08,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:08,884 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 12:26:08,884 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 12:26:08,884 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 87 transitions. cyclomatic complexity: 71 Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 12:26:08,923 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 87 transitions. cyclomatic complexity: 71. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 54 states and 134 transitions. Complement of second has 3 states. [2022-07-22 12:26:08,923 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 12:26:08,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 12:26:08,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 12 transitions. [2022-07-22 12:26:08,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:26:08,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:08,925 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:26:08,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:08,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:26:08,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:08,966 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:26:08,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:08,966 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 12:26:08,967 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 12:26:08,967 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 87 transitions. cyclomatic complexity: 71 Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 12:26:09,005 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 87 transitions. cyclomatic complexity: 71. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 54 states and 134 transitions. Complement of second has 3 states. [2022-07-22 12:26:09,006 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 12:26:09,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 12:26:09,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 12 transitions. [2022-07-22 12:26:09,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:26:09,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:09,007 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:26:09,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:09,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:26:09,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:09,046 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:26:09,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:09,046 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 12:26:09,047 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 12:26:09,047 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 87 transitions. cyclomatic complexity: 71 Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 12:26:09,085 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 87 transitions. cyclomatic complexity: 71. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 50 states and 133 transitions. Complement of second has 3 states. [2022-07-22 12:26:09,086 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 12:26:09,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 12:26:09,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 13 transitions. [2022-07-22 12:26:09,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:26:09,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:09,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 7 letters. Loop has 1 letters. [2022-07-22 12:26:09,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:09,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 6 letters. Loop has 2 letters. [2022-07-22 12:26:09,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:09,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 133 transitions. [2022-07-22 12:26:09,089 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 12 [2022-07-22 12:26:09,091 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 50 states and 133 transitions. [2022-07-22 12:26:09,091 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2022-07-22 12:26:09,091 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2022-07-22 12:26:09,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 133 transitions. [2022-07-22 12:26:09,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:26:09,092 INFO L220 hiAutomatonCegarLoop]: Abstraction has 50 states and 133 transitions. [2022-07-22 12:26:09,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 133 transitions. [2022-07-22 12:26:09,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 32. [2022-07-22 12:26:09,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 2.5625) internal successors, (82), 31 states have internal predecessors, (82), 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 12:26:09,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 82 transitions. [2022-07-22 12:26:09,097 INFO L242 hiAutomatonCegarLoop]: Abstraction has 32 states and 82 transitions. [2022-07-22 12:26:09,097 INFO L425 stractBuchiCegarLoop]: Abstraction has 32 states and 82 transitions. [2022-07-22 12:26:09,097 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-07-22 12:26:09,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 82 transitions. [2022-07-22 12:26:09,098 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 11 [2022-07-22 12:26:09,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:26:09,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:26:09,098 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 12:26:09,098 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 12:26:09,099 INFO L748 eck$LassoCheckResult]: Stem: 1102#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 1104#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 1126#[L41-1, L64-4]don't care [269] L64-4-->L65-3: Formula: (and (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= (store |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre7#1_19|)) |v_#memory_int_41|) (= |v_ULTIMATE.start_main_#t~pre7#1_19| |v_#pthreadsForks_32|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_42|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_19|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet6#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 1092#[L41-1, L65-3]don't care [205] L65-3-->L49-1: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre7#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_8|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~post2, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 1096#[L49-1, L65-4, L41-1]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 1110#[L49-1, L65-4, L41-1]don't care [2022-07-22 12:26:09,099 INFO L750 eck$LassoCheckResult]: Loop: 1110#[L49-1, L65-4, L41-1]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 1118#[L49-1, L65-4, L41-1]don't care [260] L49-1-->L49-1: Formula: (and (= (+ v_~x2~0_32 1) v_~x2~0_31) (< v_~x2~0_32 10000)) InVars {~x2~0=v_~x2~0_32} OutVars{~x2~0=v_~x2~0_31, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_15|} AuxVars[] AssignedVars[~x2~0, thread2Thread1of1ForFork1_#t~post2] 1110#[L49-1, L65-4, L41-1]don't care [2022-07-22 12:26:09,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:09,100 INFO L85 PathProgramCache]: Analyzing trace with hash 298115545, now seen corresponding path program 3 times [2022-07-22 12:26:09,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:09,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545732836] [2022-07-22 12:26:09,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:09,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:09,113 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:09,122 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:09,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:09,122 INFO L85 PathProgramCache]: Analyzing trace with hash 9374, now seen corresponding path program 1 times [2022-07-22 12:26:09,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:09,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092420427] [2022-07-22 12:26:09,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:09,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:09,126 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:09,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:09,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:09,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1273761674, now seen corresponding path program 3 times [2022-07-22 12:26:09,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:09,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026103422] [2022-07-22 12:26:09,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:09,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:09,141 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:09,151 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:09,170 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:26:09,170 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:26:09,171 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:26:09,171 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:26:09,171 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:26:09,171 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:09,171 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:26:09,171 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:26:09,171 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration8_Loop [2022-07-22 12:26:09,171 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:26:09,171 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:26:09,172 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 12:26:09,174 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 12:26:09,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:09,178 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 12:26:09,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:09,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:09,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:09,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:09,239 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:26:09,239 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:26:09,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:09,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:09,241 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 12:26:09,251 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:09,251 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:09,267 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 12:26:09,273 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:09,273 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 12:26:09,308 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 12:26:09,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:09,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:09,309 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 12:26:09,311 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:09,312 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:09,325 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 12:26:09,330 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:09,330 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 12:26:09,356 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 12:26:09,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:09,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:09,358 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 12:26:09,358 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 12:26:09,364 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:09,364 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:09,373 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:09,373 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_#t~post2=0} Honda state: {thread2Thread1of1ForFork1_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:26:09,396 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 12:26:09,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:09,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:09,398 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 12:26:09,398 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 12:26:09,399 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:09,399 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:09,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-07-22 12:26:09,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:09,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:09,441 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 12:26:09,441 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 12:26:09,442 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:26:09,442 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:09,499 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:26:09,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-07-22 12:26:09,503 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:26:09,503 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:26:09,503 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:26:09,503 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:26:09,503 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:26:09,503 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:09,503 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:26:09,504 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:26:09,504 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration8_Loop [2022-07-22 12:26:09,504 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:26:09,504 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:26:09,505 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 12:26:09,509 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 12:26:09,511 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 12:26:09,513 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 12:26:09,516 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 12:26:09,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:09,527 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 12:26:09,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:09,584 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:26:09,584 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:26:09,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:09,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:09,585 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 12:26:09,590 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 12:26:09,590 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 12:26:09,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:09,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:09,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:09,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:09,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:09,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:09,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:09,644 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 12:26:09,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:09,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:09,645 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 12:26:09,647 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 12:26:09,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:09,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:09,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:09,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:09,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:09,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:09,662 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 12:26:09,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:09,714 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 12:26:09,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:09,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:09,715 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 12:26:09,723 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 12:26:09,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:09,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:09,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:09,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:09,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:26:09,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:26:09,738 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 12:26:09,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:09,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2022-07-22 12:26:09,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:09,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:09,776 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 12:26:09,777 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 12:26:09,778 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 12:26:09,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:09,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:26:09,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:09,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:09,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:09,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:26:09,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:26:09,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:26:09,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2022-07-22 12:26:09,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:09,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:09,809 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 12:26:09,810 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 12:26:09,811 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 12:26:09,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:26:09,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:26:09,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:26:09,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:26:09,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:26:09,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:26:09,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:26:09,834 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:26:09,836 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:26:09,837 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:26:09,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:09,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:09,838 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 12:26:09,839 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 12:26:09,839 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:26:09,839 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:26:09,840 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:26:09,840 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x1~0) = -2*~x1~0 + 19999 Supporting invariants [] [2022-07-22 12:26:09,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-07-22 12:26:09,862 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:26:09,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:09,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:26:09,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:09,915 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:26:09,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:09,955 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 12:26:09,955 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 12:26:09,956 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 82 transitions. cyclomatic complexity: 64 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 12:26:09,994 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 82 transitions. cyclomatic complexity: 64. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 63 states and 168 transitions. Complement of second has 3 states. [2022-07-22 12:26:09,994 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 12:26:09,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 12:26:09,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 12 transitions. [2022-07-22 12:26:09,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-22 12:26:09,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:09,995 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:26:10,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:10,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:26:10,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:26:10,041 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:26:10,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:26:10,064 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 12:26:10,064 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 12:26:10,065 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 82 transitions. cyclomatic complexity: 64 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 12:26:10,138 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 82 transitions. cyclomatic complexity: 64. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 126 states and 324 transitions. Complement of second has 5 states. [2022-07-22 12:26:10,138 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 12:26:10,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 12:26:10,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2022-07-22 12:26:10,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-22 12:26:10,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:10,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-22 12:26:10,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:10,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 5 letters. Loop has 4 letters. [2022-07-22 12:26:10,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:26:10,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 324 transitions. [2022-07-22 12:26:10,143 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 20 [2022-07-22 12:26:10,145 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 113 states and 289 transitions. [2022-07-22 12:26:10,146 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2022-07-22 12:26:10,146 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 62 [2022-07-22 12:26:10,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 289 transitions. [2022-07-22 12:26:10,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:26:10,147 INFO L220 hiAutomatonCegarLoop]: Abstraction has 113 states and 289 transitions. [2022-07-22 12:26:10,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 289 transitions. [2022-07-22 12:26:10,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 65. [2022-07-22 12:26:10,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 2.8461538461538463) internal successors, (185), 64 states have internal predecessors, (185), 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 12:26:10,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 185 transitions. [2022-07-22 12:26:10,154 INFO L242 hiAutomatonCegarLoop]: Abstraction has 65 states and 185 transitions. [2022-07-22 12:26:10,155 INFO L425 stractBuchiCegarLoop]: Abstraction has 65 states and 185 transitions. [2022-07-22 12:26:10,155 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-07-22 12:26:10,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 185 transitions. [2022-07-22 12:26:10,156 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 14 [2022-07-22 12:26:10,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:26:10,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:26:10,156 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2022-07-22 12:26:10,157 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [2] [2022-07-22 12:26:10,157 INFO L748 eck$LassoCheckResult]: Stem: 1419#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 1421#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 1437#[L41-1, L64-4]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 1439#[L41-1, L64-4]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 1441#[L41-1, L64-4]don't care [269] L64-4-->L65-3: Formula: (and (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= (store |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre7#1_19|)) |v_#memory_int_41|) (= |v_ULTIMATE.start_main_#t~pre7#1_19| |v_#pthreadsForks_32|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_42|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_19|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet6#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 1443#[L41-1, L65-3]don't care [205] L65-3-->L49-1: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre7#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_8|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~post2, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 1417#[L49-1, L65-4, L41-1]don't care [2022-07-22 12:26:10,158 INFO L750 eck$LassoCheckResult]: Loop: 1417#[L49-1, L65-4, L41-1]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 1423#[L49-1, L65-4, L41-1]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 1417#[L49-1, L65-4, L41-1]don't care [2022-07-22 12:26:10,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:10,158 INFO L85 PathProgramCache]: Analyzing trace with hash 651524686, now seen corresponding path program 4 times [2022-07-22 12:26:10,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:10,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739281476] [2022-07-22 12:26:10,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:10,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:10,174 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:10,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:10,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:10,184 INFO L85 PathProgramCache]: Analyzing trace with hash 9377, now seen corresponding path program 4 times [2022-07-22 12:26:10,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:10,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829682939] [2022-07-22 12:26:10,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:10,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:10,188 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:10,191 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:10,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:26:10,192 INFO L85 PathProgramCache]: Analyzing trace with hash -949993554, now seen corresponding path program 5 times [2022-07-22 12:26:10,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:26:10,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139441501] [2022-07-22 12:26:10,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:26:10,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:26:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:10,216 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:26:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:26:10,244 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:26:10,268 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:26:10,269 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:26:10,269 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:26:10,269 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:26:10,269 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:26:10,269 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:10,269 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:26:10,269 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:26:10,270 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration9_Loop [2022-07-22 12:26:10,270 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:26:10,270 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:26:10,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:10,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:10,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:10,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:10,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:10,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:26:10,361 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:26:10,362 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:26:10,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:10,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:10,373 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 12:26:10,388 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 12:26:10,397 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:10,398 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:10,406 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 12:26:10,421 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:10,421 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_17=-1} Honda state: {v_rep#funAddr~thread2.base_17=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:26:10,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-07-22 12:26:10,456 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 12:26:10,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:10,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:10,465 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 12:26:10,468 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 12:26:10,468 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:10,468 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:10,479 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:10,479 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_#t~post1=0} Honda state: {thread1Thread1of1ForFork0_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:26:10,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2022-07-22 12:26:10,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:10,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:10,514 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 12:26:10,515 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 12:26:10,515 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:10,515 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:10,530 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:26:10,530 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_17=-1} Honda state: {v_rep#funAddr~thread1.base_17=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:26:10,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2022-07-22 12:26:10,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:10,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:10,554 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 12:26:10,558 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:26:10,558 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:26:10,568 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 12:26:10,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2022-07-22 12:26:10,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:26:10,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:26:10,600 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 12:26:10,601 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 12:26:10,601 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:26:10,601 INFO L160 nArgumentSynthesizer]: Using integer mode.