/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf -i ../../../trunk/examples/svcomp/weaver/test-easy11.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 14:20:00,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 14:20:00,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 14:20:00,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 14:20:00,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 14:20:00,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 14:20:00,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 14:20:00,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 14:20:00,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 14:20:00,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 14:20:00,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 14:20:00,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 14:20:00,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 14:20:00,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 14:20:00,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 14:20:00,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 14:20:00,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 14:20:00,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 14:20:00,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 14:20:00,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 14:20:00,244 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 14:20:00,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 14:20:00,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 14:20:00,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 14:20:00,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 14:20:00,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 14:20:00,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 14:20:00,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 14:20:00,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 14:20:00,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf [2022-07-26 14:20:00,280 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 14:20:00,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 14:20:00,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 14:20:00,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 14:20:00,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 14:20:00,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 14:20:00,281 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 14:20:00,281 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 14:20:00,281 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 14:20:00,281 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 14:20:00,281 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 14:20:00,281 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 14:20:00,282 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 14:20:00,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 14:20:00,282 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 14:20:00,282 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 14:20:00,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 14:20:00,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 14:20:00,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 14:20:00,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 14:20:00,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 14:20:00,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 14:20:00,282 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 14:20:00,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 14:20:00,283 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 14:20:00,283 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 14:20:00,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 14:20:00,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 14:20:00,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 14:20:00,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 14:20:00,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 14:20:00,283 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-26 14:20:00,284 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 14:20:00,284 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 14:20:00,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 14:20:00,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 14:20:00,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 14:20:00,471 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 14:20:00,471 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 14:20:00,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy11.wvr.c [2022-07-26 14:20:00,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/630eef572/144ed9449edf4f118bd30ad0377b9215/FLAGac6b8860a [2022-07-26 14:20:00,886 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 14:20:00,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy11.wvr.c [2022-07-26 14:20:00,892 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/630eef572/144ed9449edf4f118bd30ad0377b9215/FLAGac6b8860a [2022-07-26 14:20:01,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/630eef572/144ed9449edf4f118bd30ad0377b9215 [2022-07-26 14:20:01,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 14:20:01,299 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 14:20:01,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 14:20:01,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 14:20:01,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 14:20:01,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:20:01" (1/1) ... [2022-07-26 14:20:01,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cf79525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:01, skipping insertion in model container [2022-07-26 14:20:01,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:20:01" (1/1) ... [2022-07-26 14:20:01,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 14:20:01,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 14:20:01,441 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-easy11.wvr.c[2005,2018] [2022-07-26 14:20:01,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:20:01,446 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 14:20:01,457 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-easy11.wvr.c[2005,2018] [2022-07-26 14:20:01,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:20:01,467 INFO L208 MainTranslator]: Completed translation [2022-07-26 14:20:01,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:01 WrapperNode [2022-07-26 14:20:01,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 14:20:01,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 14:20:01,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 14:20:01,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 14:20:01,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:01" (1/1) ... [2022-07-26 14:20:01,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:01" (1/1) ... [2022-07-26 14:20:01,499 INFO L137 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2022-07-26 14:20:01,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 14:20:01,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 14:20:01,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 14:20:01,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 14:20:01,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:01" (1/1) ... [2022-07-26 14:20:01,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:01" (1/1) ... [2022-07-26 14:20:01,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:01" (1/1) ... [2022-07-26 14:20:01,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:01" (1/1) ... [2022-07-26 14:20:01,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:01" (1/1) ... [2022-07-26 14:20:01,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:01" (1/1) ... [2022-07-26 14:20:01,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:01" (1/1) ... [2022-07-26 14:20:01,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 14:20:01,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 14:20:01,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 14:20:01,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 14:20:01,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:01" (1/1) ... [2022-07-26 14:20:01,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:01,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:01,554 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) [2022-07-26 14:20:01,556 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 [2022-07-26 14:20:01,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 14:20:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 14:20:01,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 14:20:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 14:20:01,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 14:20:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 14:20:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 14:20:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 14:20:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-26 14:20:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-26 14:20:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 14:20:01,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 14:20:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 14:20:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 14:20:01,588 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-26 14:20:01,664 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 14:20:01,665 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 14:20:01,860 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 14:20:01,865 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 14:20:01,865 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-26 14:20:01,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:20:01 BoogieIcfgContainer [2022-07-26 14:20:01,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 14:20:01,867 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 14:20:01,867 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 14:20:01,872 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 14:20:01,872 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:20:01,873 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 02:20:01" (1/3) ... [2022-07-26 14:20:01,874 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@602d44c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:20:01, skipping insertion in model container [2022-07-26 14:20:01,874 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:20:01,874 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:01" (2/3) ... [2022-07-26 14:20:01,874 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@602d44c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:20:01, skipping insertion in model container [2022-07-26 14:20:01,875 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:20:01,875 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:20:01" (3/3) ... [2022-07-26 14:20:01,876 INFO L322 chiAutomizerObserver]: Analyzing ICFG test-easy11.wvr.c [2022-07-26 14:20:01,954 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-26 14:20:01,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 87 transitions, 190 flow [2022-07-26 14:20:02,001 INFO L129 PetriNetUnfolder]: 6/83 cut-off events. [2022-07-26 14:20:02,002 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 14:20:02,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 83 events. 6/83 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 53 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2022-07-26 14:20:02,004 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 87 transitions, 190 flow [2022-07-26 14:20:02,008 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 83 transitions, 178 flow [2022-07-26 14:20:02,010 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-26 14:20:02,021 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 83 transitions, 178 flow [2022-07-26 14:20:02,022 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 83 transitions, 178 flow [2022-07-26 14:20:02,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 83 transitions, 178 flow [2022-07-26 14:20:02,047 INFO L129 PetriNetUnfolder]: 6/83 cut-off events. [2022-07-26 14:20:02,047 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 14:20:02,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 83 events. 6/83 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 53 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2022-07-26 14:20:02,050 INFO L116 LiptonReduction]: Number of co-enabled transitions 572 [2022-07-26 14:20:04,200 INFO L131 LiptonReduction]: Checked pairs total: 537 [2022-07-26 14:20:04,200 INFO L133 LiptonReduction]: Total number of compositions: 82 [2022-07-26 14:20:04,212 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 14:20:04,212 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 14:20:04,213 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 14:20:04,213 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 14:20:04,213 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 14:20:04,213 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 14:20:04,213 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 14:20:04,213 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 14:20:04,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 14:20:04,243 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 14 [2022-07-26 14:20:04,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:20:04,244 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:20:04,248 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-26 14:20:04,248 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 14:20:04,248 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-26 14:20:04,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 33 states, but on-demand construction may add more states [2022-07-26 14:20:04,254 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 14 [2022-07-26 14:20:04,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:20:04,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:20:04,254 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-26 14:20:04,254 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 14:20:04,258 INFO L733 eck$LassoCheckResult]: Stem: 89#[ULTIMATE.startENTRY]don't care [305] ULTIMATE.startENTRY-->L73-3: Formula: (let ((.cse0 (select |v_#memory_int_62| 1)) (.cse1 (store |v_#valid_123| |v_ULTIMATE.start_main_~#t1~0#1.base_69| 1))) (and (= |v_#NULL.offset_6| 0) (= (select |v_#valid_123| 2) 1) (= v_~Y~0_53 0) (< |v_#StackHeapBarrier_26| |v_ULTIMATE.start_main_~#t2~0#1.base_71|) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (= |v_#NULL.base_6| 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_61| 0) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_65| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_59| 0) (= (select |v_#valid_123| 1) 1) (= (select .cse0 0) 48) (= (select |v_#length_76| 2) 18) (= (select |v_#valid_123| 0) 0) (= (store (store |v_#length_76| |v_ULTIMATE.start_main_~#t1~0#1.base_69| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_71| 4) |v_#length_75|) (< |v_#StackHeapBarrier_26| |v_ULTIMATE.start_main_~#t1~0#1.base_69|) (= (select |v_#valid_123| |v_ULTIMATE.start_main_~#t1~0#1.base_69|) 0) (= |v_#valid_122| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_71| 1)) (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t1~0#1.base_69| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t1~0#1.base_69|) |v_ULTIMATE.start_main_~#t1~0#1.offset_59| |v_ULTIMATE.start_main_#t~pre4#1_35|))) (= (ite (<= v_~X~0_42 10000) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_71|) 0) (= 2 (select |v_#length_76| 1)) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre4#1_35|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_65| 0)) (< 0 |v_#StackHeapBarrier_26|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_26|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_123|, #memory_int=|v_#memory_int_62|, #length=|v_#length_76|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_29|, ULTIMATE.start_main_#t~mem8#1=|v_ULTIMATE.start_main_#t~mem8#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_61|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_36|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_69|, ~X~0=v_~X~0_42, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_35|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_59|, ~Y~0=v_~Y~0_53, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_26|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_42|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_65|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_21|, #valid=|v_#valid_122|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_19|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_28|, #length=|v_#length_75|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_71|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_#t~mem8#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#res#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ~X~0, ULTIMATE.start_main_#t~pre4#1, ULTIMATE.start_main_~#t1~0#1.offset, ~Y~0, #NULL.base, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 92#[L73-3]don't care [221] L73-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre4#1_6| v_thread1Thread1of1ForFork1_thidvar0_2) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_~x~0=v_thread1Thread1of1ForFork1_~x~0_16, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_6|, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_~x~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 94#[L73-4, thread1ENTRY]don't care [246] thread1ENTRY-->L43-2: Formula: (= v_~X~0_12 v_thread1Thread1of1ForFork1_~x~0_21) InVars {~X~0=v_~X~0_12} OutVars{thread1Thread1of1ForFork1_~x~0=v_thread1Thread1of1ForFork1_~x~0_21, ~X~0=v_~X~0_12} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~x~0] 96#[L73-4, L43-2]don't care [2022-07-26 14:20:04,258 INFO L735 eck$LassoCheckResult]: Loop: 96#[L73-4, L43-2]don't care [283] L43-2-->L43-2: Formula: (and (= v_thread1Thread1of1ForFork1_~x~0_35 (+ v_thread1Thread1of1ForFork1_~x~0_36 1)) (< v_thread1Thread1of1ForFork1_~x~0_36 10000)) InVars {thread1Thread1of1ForFork1_~x~0=v_thread1Thread1of1ForFork1_~x~0_36} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_15|, thread1Thread1of1ForFork1_~x~0=v_thread1Thread1of1ForFork1_~x~0_35} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_~x~0] 96#[L73-4, L43-2]don't care [2022-07-26 14:20:04,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:20:04,263 INFO L85 PathProgramCache]: Analyzing trace with hash 329993, now seen corresponding path program 1 times [2022-07-26 14:20:04,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:20:04,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575321169] [2022-07-26 14:20:04,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:20:04,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:20:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:20:04,355 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:20:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:20:04,399 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:20:04,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:20:04,401 INFO L85 PathProgramCache]: Analyzing trace with hash 314, now seen corresponding path program 1 times [2022-07-26 14:20:04,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:20:04,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939583006] [2022-07-26 14:20:04,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:20:04,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:20:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:20:04,414 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:20:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:20:04,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:20:04,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:20:04,423 INFO L85 PathProgramCache]: Analyzing trace with hash 10230066, now seen corresponding path program 1 times [2022-07-26 14:20:04,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:20:04,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676591430] [2022-07-26 14:20:04,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:20:04,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:20:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:20:04,442 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:20:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:20:04,452 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:20:04,477 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:20:04,478 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:20:04,478 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:20:04,478 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:20:04,478 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 14:20:04,478 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:04,478 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:20:04,478 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:20:04,478 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy11.wvr.c_BEv2_Iteration1_Loop [2022-07-26 14:20:04,478 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:20:04,478 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:20:04,488 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:04,493 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:04,495 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:04,498 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:04,500 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:04,504 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:04,542 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:20:04,543 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 14:20:04,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:04,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:04,546 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) [2022-07-26 14:20:04,546 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 [2022-07-26 14:20:04,548 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:20:04,548 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:20:04,557 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:20:04,557 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post1=0} Honda state: {thread1Thread1of1ForFork1_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:20:04,575 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 [2022-07-26 14:20:04,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:04,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:04,577 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) [2022-07-26 14:20:04,578 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 [2022-07-26 14:20:04,585 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:20:04,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:20:04,599 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:20:04,600 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: [] [2022-07-26 14:20:04,617 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 [2022-07-26 14:20:04,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:04,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:04,618 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) [2022-07-26 14:20:04,619 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 [2022-07-26 14:20:04,620 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:20:04,621 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:20:04,644 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:20:04,644 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_1=-1} Honda state: {v_rep#funAddr~thread1.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:20:04,669 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 [2022-07-26 14:20:04,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:04,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:04,671 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) [2022-07-26 14:20:04,672 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 [2022-07-26 14:20:04,673 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:20:04,673 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:20:04,691 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:20:04,691 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_1=0} Honda state: {v_rep#funAddr~thread1.offset_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:20:04,709 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 [2022-07-26 14:20:04,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:04,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:04,711 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) [2022-07-26 14:20:04,712 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 [2022-07-26 14:20:04,803 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:20:04,803 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:20:04,836 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 [2022-07-26 14:20:04,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:04,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:04,837 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) [2022-07-26 14:20:04,838 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 [2022-07-26 14:20:04,839 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 14:20:04,839 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:20:04,875 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 14:20:04,880 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 [2022-07-26 14:20:04,881 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:20:04,881 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:20:04,881 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:20:04,881 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:20:04,881 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 14:20:04,881 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:04,881 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:20:04,881 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:20:04,881 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy11.wvr.c_BEv2_Iteration1_Loop [2022-07-26 14:20:04,881 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:20:04,881 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:20:04,882 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:04,884 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:04,889 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:04,891 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:04,895 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:04,898 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:04,940 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:20:04,943 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 14:20:04,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:04,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:04,944 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) [2022-07-26 14:20:04,945 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 [2022-07-26 14:20:04,947 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 [2022-07-26 14:20:04,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:20:04,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:20:04,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:20:04,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:20:04,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:20:04,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:20:04,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:20:04,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:20:04,986 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 [2022-07-26 14:20:04,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:04,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:04,996 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) [2022-07-26 14:20:04,997 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 [2022-07-26 14:20:04,998 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 [2022-07-26 14:20:05,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:20:05,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:20:05,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:20:05,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:20:05,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:20:05,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:20:05,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:20:05,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-07-26 14:20:05,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:05,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:05,027 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) [2022-07-26 14:20:05,028 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 [2022-07-26 14:20:05,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:20:05,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:20:05,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:20:05,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:20:05,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:20:05,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:20:05,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:20:05,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:20:05,072 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 [2022-07-26 14:20:05,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:05,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:05,074 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) [2022-07-26 14:20:05,076 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 [2022-07-26 14:20:05,077 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 [2022-07-26 14:20:05,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:20:05,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:20:05,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:20:05,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:20:05,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:20:05,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:20:05,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:20:05,111 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 [2022-07-26 14:20:05,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:05,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:05,112 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) [2022-07-26 14:20:05,112 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 [2022-07-26 14:20:05,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:20:05,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:20:05,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:20:05,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:20:05,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:20:05,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:20:05,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:20:05,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:20:05,145 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 [2022-07-26 14:20:05,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:05,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:05,146 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) [2022-07-26 14:20:05,147 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 [2022-07-26 14:20:05,148 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 [2022-07-26 14:20:05,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:20:05,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:20:05,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:20:05,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:20:05,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:20:05,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:20:05,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:20:05,163 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 14:20:05,166 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 14:20:05,166 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-26 14:20:05,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:05,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:05,168 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) [2022-07-26 14:20:05,169 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 [2022-07-26 14:20:05,170 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 14:20:05,170 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 14:20:05,170 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 14:20:05,171 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork1_~x~0) = -2*thread1Thread1of1ForFork1_~x~0 + 19999 Supporting invariants [] [2022-07-26 14:20:05,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-26 14:20:05,190 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 14:20:05,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:20:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:20:05,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 14:20:05,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:20:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:20:05,247 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 14:20:05,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:20:05,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 14:20:05,264 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 14:20:05,266 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 33 states, but on-demand construction may add more states Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 14:20:05,325 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 33 states, but on-demand construction may add more states. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 84 states and 231 transitions. Complement of second has 5 states. [2022-07-26 14:20:05,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 14:20:05,331 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) [2022-07-26 14:20:05,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 29 transitions. [2022-07-26 14:20:05,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-26 14:20:05,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:20:05,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-26 14:20:05,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:20:05,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 3 letters. Loop has 2 letters. [2022-07-26 14:20:05,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:20:05,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 231 transitions. [2022-07-26 14:20:05,342 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-26 14:20:05,351 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 49 states and 131 transitions. [2022-07-26 14:20:05,352 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2022-07-26 14:20:05,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2022-07-26 14:20:05,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 131 transitions. [2022-07-26 14:20:05,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 14:20:05,353 INFO L220 hiAutomatonCegarLoop]: Abstraction has 49 states and 131 transitions. [2022-07-26 14:20:05,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 131 transitions. [2022-07-26 14:20:05,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 40. [2022-07-26 14:20:05,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 2.8) internal successors, (112), 39 states have internal predecessors, (112), 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) [2022-07-26 14:20:05,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 112 transitions. [2022-07-26 14:20:05,374 INFO L242 hiAutomatonCegarLoop]: Abstraction has 40 states and 112 transitions. [2022-07-26 14:20:05,374 INFO L426 stractBuchiCegarLoop]: Abstraction has 40 states and 112 transitions. [2022-07-26 14:20:05,374 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-26 14:20:05,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 112 transitions. [2022-07-26 14:20:05,376 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-26 14:20:05,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:20:05,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:20:05,377 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-26 14:20:05,377 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 14:20:05,377 INFO L733 eck$LassoCheckResult]: Stem: 279#[ULTIMATE.startENTRY]don't care [305] ULTIMATE.startENTRY-->L73-3: Formula: (let ((.cse0 (select |v_#memory_int_62| 1)) (.cse1 (store |v_#valid_123| |v_ULTIMATE.start_main_~#t1~0#1.base_69| 1))) (and (= |v_#NULL.offset_6| 0) (= (select |v_#valid_123| 2) 1) (= v_~Y~0_53 0) (< |v_#StackHeapBarrier_26| |v_ULTIMATE.start_main_~#t2~0#1.base_71|) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (= |v_#NULL.base_6| 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_61| 0) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_65| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_59| 0) (= (select |v_#valid_123| 1) 1) (= (select .cse0 0) 48) (= (select |v_#length_76| 2) 18) (= (select |v_#valid_123| 0) 0) (= (store (store |v_#length_76| |v_ULTIMATE.start_main_~#t1~0#1.base_69| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_71| 4) |v_#length_75|) (< |v_#StackHeapBarrier_26| |v_ULTIMATE.start_main_~#t1~0#1.base_69|) (= (select |v_#valid_123| |v_ULTIMATE.start_main_~#t1~0#1.base_69|) 0) (= |v_#valid_122| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_71| 1)) (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t1~0#1.base_69| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t1~0#1.base_69|) |v_ULTIMATE.start_main_~#t1~0#1.offset_59| |v_ULTIMATE.start_main_#t~pre4#1_35|))) (= (ite (<= v_~X~0_42 10000) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_71|) 0) (= 2 (select |v_#length_76| 1)) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre4#1_35|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_65| 0)) (< 0 |v_#StackHeapBarrier_26|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_26|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_123|, #memory_int=|v_#memory_int_62|, #length=|v_#length_76|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_29|, ULTIMATE.start_main_#t~mem8#1=|v_ULTIMATE.start_main_#t~mem8#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_61|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_36|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_69|, ~X~0=v_~X~0_42, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_35|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_59|, ~Y~0=v_~Y~0_53, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_26|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_42|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_65|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_21|, #valid=|v_#valid_122|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_19|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_28|, #length=|v_#length_75|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_71|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_#t~mem8#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#res#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ~X~0, ULTIMATE.start_main_#t~pre4#1, ULTIMATE.start_main_~#t1~0#1.offset, ~Y~0, #NULL.base, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 281#[L73-3]don't care [221] L73-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre4#1_6| v_thread1Thread1of1ForFork1_thidvar0_2) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_~x~0=v_thread1Thread1of1ForFork1_~x~0_16, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_6|, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_~x~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 315#[L73-4, thread1ENTRY]don't care [286] L73-4-->L74-3: Formula: (and (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_47| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (= (select |v_#valid_72| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1) (= |v_#pthreadsForks_23| (+ |v_#pthreadsForks_24| 1)) (= (store |v_#memory_int_38| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_38| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre6#1_19|)) |v_#memory_int_37|) (= |v_ULTIMATE.start_main_#t~pre6#1_19| |v_#pthreadsForks_24|)) InVars {#pthreadsForks=|v_#pthreadsForks_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_72|, #memory_int=|v_#memory_int_38|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_19|, #pthreadsForks=|v_#pthreadsForks_23|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_11|, #valid=|v_#valid_72|, #memory_int=|v_#memory_int_37|, #length=|v_#length_47|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_15|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet5#1, #memory_int, ULTIMATE.start_main_#t~pre4#1] 319#[L74-3, thread1ENTRY]don't care [218] L74-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_2 0) (= v_thread2Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread2Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{thread2Thread1of1ForFork0_#res.offset=|v_thread2Thread1of1ForFork0_#res.offset_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread2Thread1of1ForFork0_#res.base=|v_thread2Thread1of1ForFork0_#res.base_4|, thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_2, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_2, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2, thread2Thread1of1ForFork0_~x~1=v_thread2Thread1of1ForFork0_~x~1_16, thread2Thread1of1ForFork0_#t~post2=|v_thread2Thread1of1ForFork0_#t~post2_8|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_#res.offset, thread2Thread1of1ForFork0_#res.base, thread2Thread1of1ForFork0_thidvar2, thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_thidvar0, thread2Thread1of1ForFork0_~x~1, thread2Thread1of1ForFork0_#t~post2] 327#[L74-4, thread2ENTRY, thread1ENTRY]don't care [224] thread2ENTRY-->L56-2: Formula: (= v_thread2Thread1of1ForFork0_~x~1_17 v_~X~0_6) InVars {~X~0=v_~X~0_6} OutVars{~X~0=v_~X~0_6, thread2Thread1of1ForFork0_~x~1=v_thread2Thread1of1ForFork0_~x~1_17} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~x~1] 329#[L56-2, L74-4, thread1ENTRY]don't care [2022-07-26 14:20:05,378 INFO L735 eck$LassoCheckResult]: Loop: 329#[L56-2, L74-4, thread1ENTRY]don't care [282] L56-2-->L56-2: Formula: (and (= (+ v_thread2Thread1of1ForFork0_~x~1_36 1) v_thread2Thread1of1ForFork0_~x~1_35) (< v_thread2Thread1of1ForFork0_~x~1_36 10000)) InVars {thread2Thread1of1ForFork0_~x~1=v_thread2Thread1of1ForFork0_~x~1_36} OutVars{thread2Thread1of1ForFork0_~x~1=v_thread2Thread1of1ForFork0_~x~1_35, thread2Thread1of1ForFork0_#t~post2=|v_thread2Thread1of1ForFork0_#t~post2_15|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~x~1, thread2Thread1of1ForFork0_#t~post2] 329#[L56-2, L74-4, thread1ENTRY]don't care [2022-07-26 14:20:05,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:20:05,378 INFO L85 PathProgramCache]: Analyzing trace with hash 317168695, now seen corresponding path program 1 times [2022-07-26 14:20:05,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:20:05,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632327679] [2022-07-26 14:20:05,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:20:05,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:20:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:20:05,407 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:20:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:20:05,441 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:20:05,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:20:05,442 INFO L85 PathProgramCache]: Analyzing trace with hash 313, now seen corresponding path program 1 times [2022-07-26 14:20:05,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:20:05,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759880913] [2022-07-26 14:20:05,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:20:05,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:20:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:20:05,445 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:20:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:20:05,446 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:20:05,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:20:05,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1242295235, now seen corresponding path program 1 times [2022-07-26 14:20:05,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:20:05,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915967912] [2022-07-26 14:20:05,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:20:05,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:20:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:20:05,465 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:20:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:20:05,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:20:05,489 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:20:05,489 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:20:05,489 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:20:05,489 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:20:05,489 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 14:20:05,489 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:05,489 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:20:05,489 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:20:05,489 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy11.wvr.c_BEv2_Iteration2_Loop [2022-07-26 14:20:05,489 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:20:05,489 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:20:05,490 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:05,492 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:05,493 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:05,496 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:05,497 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:05,499 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:05,543 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:20:05,543 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 14:20:05,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:05,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:05,544 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) [2022-07-26 14:20:05,545 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 [2022-07-26 14:20:05,570 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:20:05,570 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:20:05,583 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:20:05,584 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork0_#t~post2=0} Honda state: {thread2Thread1of1ForFork0_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:20:05,601 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 [2022-07-26 14:20:05,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:05,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:05,602 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) [2022-07-26 14:20:05,603 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 [2022-07-26 14:20:05,604 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:20:05,604 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:20:05,623 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:20:05,623 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: [] [2022-07-26 14:20:05,641 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 [2022-07-26 14:20:05,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:05,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:05,642 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) [2022-07-26 14:20:05,643 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 [2022-07-26 14:20:05,688 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:20:05,688 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:20:05,710 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 [2022-07-26 14:20:05,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:05,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:05,712 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) [2022-07-26 14:20:05,712 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 [2022-07-26 14:20:05,713 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 14:20:05,713 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:20:05,746 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 14:20:05,752 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 [2022-07-26 14:20:05,752 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:20:05,752 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:20:05,753 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:20:05,753 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:20:05,753 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 14:20:05,753 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:05,753 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:20:05,753 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:20:05,753 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy11.wvr.c_BEv2_Iteration2_Loop [2022-07-26 14:20:05,753 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:20:05,753 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:20:05,754 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:05,756 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:05,759 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:05,761 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:05,763 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:05,765 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:20:05,828 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:20:05,828 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 14:20:05,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:05,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:05,829 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) [2022-07-26 14:20:05,831 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 [2022-07-26 14:20:05,834 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 [2022-07-26 14:20:05,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:20:05,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:20:05,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:20:05,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:20:05,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:20:05,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:20:05,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:20:05,844 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 [2022-07-26 14:20:05,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:20:05,876 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 [2022-07-26 14:20:05,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:05,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:05,877 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) [2022-07-26 14:20:05,884 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 [2022-07-26 14:20:05,887 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 [2022-07-26 14:20:05,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:20:05,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:20:05,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:20:05,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:20:05,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:20:05,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:20:05,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:20:05,907 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 14:20:05,909 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 14:20:05,909 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-26 14:20:05,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:05,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:05,910 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) [2022-07-26 14:20:05,911 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 [2022-07-26 14:20:05,912 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 14:20:05,912 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 14:20:05,912 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 14:20:05,912 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork0_~x~1) = -2*thread2Thread1of1ForFork0_~x~1 + 19999 Supporting invariants [] [2022-07-26 14:20:05,928 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 [2022-07-26 14:20:05,928 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 14:20:05,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:20:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:20:05,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 14:20:05,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:20:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:20:05,970 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 14:20:05,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:20:05,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 14:20:05,971 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 14:20:05,971 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 112 transitions. cyclomatic complexity: 86 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) [2022-07-26 14:20:05,999 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 112 transitions. cyclomatic complexity: 86. 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 83 states and 220 transitions. Complement of second has 4 states. [2022-07-26 14:20:06,000 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 [2022-07-26 14:20:06,000 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) [2022-07-26 14:20:06,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2022-07-26 14:20:06,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-26 14:20:06,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:20:06,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-26 14:20:06,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:20:06,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-26 14:20:06,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:20:06,001 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 220 transitions. [2022-07-26 14:20:06,003 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 14:20:06,003 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 0 states and 0 transitions. [2022-07-26 14:20:06,003 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-26 14:20:06,003 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-26 14:20:06,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-26 14:20:06,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-26 14:20:06,003 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:20:06,003 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:20:06,003 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:20:06,003 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-26 14:20:06,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-26 14:20:06,004 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 14:20:06,004 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 14:20:06,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 02:20:06 BoogieIcfgContainer [2022-07-26 14:20:06,015 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 14:20:06,020 INFO L158 Benchmark]: Toolchain (without parser) took 4717.09ms. Allocated memory was 192.9MB in the beginning and 244.3MB in the end (delta: 51.4MB). Free memory was 142.3MB in the beginning and 204.2MB in the end (delta: -61.9MB). There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 14:20:06,021 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 158.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 14:20:06,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 168.44ms. Allocated memory is still 192.9MB. Free memory was 142.1MB in the beginning and 168.7MB in the end (delta: -26.5MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. [2022-07-26 14:20:06,022 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.28ms. Allocated memory is still 192.9MB. Free memory was 168.7MB in the beginning and 167.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 14:20:06,022 INFO L158 Benchmark]: Boogie Preprocessor took 26.94ms. Allocated memory is still 192.9MB. Free memory was 167.1MB in the beginning and 166.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 14:20:06,027 INFO L158 Benchmark]: RCFGBuilder took 339.50ms. Allocated memory is still 192.9MB. Free memory was 166.0MB in the beginning and 153.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-07-26 14:20:06,031 INFO L158 Benchmark]: BuchiAutomizer took 4148.11ms. Allocated memory was 192.9MB in the beginning and 244.3MB in the end (delta: 51.4MB). Free memory was 153.5MB in the beginning and 204.2MB in the end (delta: -50.7MB). Peak memory consumption was 1.7MB. Max. memory is 8.0GB. [2022-07-26 14:20:06,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 158.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 168.44ms. Allocated memory is still 192.9MB. Free memory was 142.1MB in the beginning and 168.7MB in the end (delta: -26.5MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.28ms. Allocated memory is still 192.9MB. Free memory was 168.7MB in the beginning and 167.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.94ms. Allocated memory is still 192.9MB. Free memory was 167.1MB in the beginning and 166.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 339.50ms. Allocated memory is still 192.9MB. Free memory was 166.0MB in the beginning and 153.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 4148.11ms. Allocated memory was 192.9MB in the beginning and 244.3MB in the end (delta: 51.4MB). Free memory was 153.5MB in the beginning and 204.2MB in the end (delta: -50.7MB). Peak memory consumption was 1.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 19999 + x * -2 and consists of 4 locations. One deterministic module has affine ranking function 19999 + x * -2 and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax340 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 2.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 84 PlacesBefore, 20 PlacesAfterwards, 83 TransitionsBefore, 15 TransitionsAfterwards, 572 CoEnabledTransitionPairs, 7 FixpointIterations, 46 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 4 ConcurrentYvCompositions, 4 ChoiceCompositions, 82 TotalNumberOfCompositions, 537 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 462, positive: 448, positive conditional: 0, positive unconditional: 448, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 282, positive: 280, positive conditional: 0, positive unconditional: 280, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 462, positive: 168, positive conditional: 0, positive unconditional: 168, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 282, unknown conditional: 0, unknown unconditional: 282] , Statistics on independence cache: Total cache size (in pairs): 17, Positive cache size: 16, Positive conditional cache size: 0, Positive unconditional cache size: 16, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 RESULT: Ultimate proved your program to be correct! [2022-07-26 14:20:06,054 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 [2022-07-26 14:20:06,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...