/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-noLbe.epf -i ../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:31:15,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:31:15,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:31:15,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 13:31:15,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 13:31:15,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 13:31:15,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 13:31:15,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 13:31:15,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 13:31:15,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 13:31:15,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 13:31:15,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 13:31:15,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:31:15,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:31:15,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:31:15,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:31:15,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:31:15,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:31:15,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:31:15,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:31:15,437 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:31:15,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:31:15,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:31:15,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:31:15,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:31:15,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 13:31:15,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:31:15,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:31:15,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:31:15,468 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2022-07-26 13:31:15,489 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:31:15,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:31:15,490 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:31:15,490 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:31:15,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:31:15,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:31:15,491 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:31:15,491 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:31:15,491 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:31:15,495 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:31:15,495 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:31:15,495 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:31:15,495 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:31:15,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:31:15,495 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:31:15,495 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:31:15,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:31:15,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:31:15,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:31:15,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:31:15,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:31:15,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:31:15,496 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:31:15,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:31:15,496 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:31:15,496 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:31:15,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:31:15,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:31:15,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:31:15,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:31:15,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:31:15,497 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-26 13:31:15,498 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:31:15,498 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:31:15,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:31:15,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:31:15,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:31:15,711 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:31:15,711 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:31:15,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2022-07-26 13:31:15,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1d28136c/3d5e27a669704fdc847199e721f1e63d/FLAG8edc2171c [2022-07-26 13:31:16,199 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:31:16,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2022-07-26 13:31:16,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1d28136c/3d5e27a669704fdc847199e721f1e63d/FLAG8edc2171c [2022-07-26 13:31:16,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1d28136c/3d5e27a669704fdc847199e721f1e63d [2022-07-26 13:31:16,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:31:16,226 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:31:16,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:31:16,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:31:16,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:31:16,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:31:16" (1/1) ... [2022-07-26 13:31:16,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@297fc89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:16, skipping insertion in model container [2022-07-26 13:31:16,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:31:16" (1/1) ... [2022-07-26 13:31:16,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:31:16,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:31:16,434 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/parallel-misc-2-unrolled-atomic.wvr.c[2252,2265] [2022-07-26 13:31:16,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:31:16,440 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:31:16,453 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/parallel-misc-2-unrolled-atomic.wvr.c[2252,2265] [2022-07-26 13:31:16,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:31:16,473 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:31:16,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:16 WrapperNode [2022-07-26 13:31:16,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:31:16,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:31:16,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:31:16,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:31:16,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:16" (1/1) ... [2022-07-26 13:31:16,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:16" (1/1) ... [2022-07-26 13:31:16,500 INFO L137 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2022-07-26 13:31:16,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:31:16,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:31:16,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:31:16,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:31:16,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:16" (1/1) ... [2022-07-26 13:31:16,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:16" (1/1) ... [2022-07-26 13:31:16,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:16" (1/1) ... [2022-07-26 13:31:16,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:16" (1/1) ... [2022-07-26 13:31:16,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:16" (1/1) ... [2022-07-26 13:31:16,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:16" (1/1) ... [2022-07-26 13:31:16,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:16" (1/1) ... [2022-07-26 13:31:16,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:31:16,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:31:16,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:31:16,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:31:16,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:16" (1/1) ... [2022-07-26 13:31:16,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:16,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:31:16,554 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 13:31:16,557 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 13:31:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:31:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 13:31:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 13:31:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 13:31:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 13:31:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:31:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:31:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:31:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-26 13:31:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-26 13:31:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:31:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:31:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:31:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:31:16,592 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 13:31:16,674 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:31:16,676 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:31:16,935 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:31:16,991 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:31:16,991 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-26 13:31:16,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:31:16 BoogieIcfgContainer [2022-07-26 13:31:16,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:31:16,994 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:31:16,994 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:31:17,000 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:31:17,000 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:31:17,000 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:31:16" (1/3) ... [2022-07-26 13:31:17,003 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@be43273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:31:17, skipping insertion in model container [2022-07-26 13:31:17,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:31:17,003 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:16" (2/3) ... [2022-07-26 13:31:17,003 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@be43273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:31:17, skipping insertion in model container [2022-07-26 13:31:17,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:31:17,003 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:31:16" (3/3) ... [2022-07-26 13:31:17,004 INFO L322 chiAutomizerObserver]: Analyzing ICFG parallel-misc-2-unrolled-atomic.wvr.c [2022-07-26 13:31:17,105 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-26 13:31:17,144 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 93 transitions, 202 flow [2022-07-26 13:31:17,174 INFO L129 PetriNetUnfolder]: 7/89 cut-off events. [2022-07-26 13:31:17,174 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 13:31:17,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 89 events. 7/89 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 29 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2022-07-26 13:31:17,177 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 93 transitions, 202 flow [2022-07-26 13:31:17,182 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 89 transitions, 190 flow [2022-07-26 13:31:17,192 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:31:17,193 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:31:17,193 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:31:17,193 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:31:17,193 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:31:17,193 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:31:17,193 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:31:17,193 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:31:17,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 13:31:17,261 INFO L131 ngComponentsAnalysis]: Automaton has 37 accepting balls. 82 [2022-07-26 13:31:17,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:31:17,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:31:17,267 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-26 13:31:17,267 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-26 13:31:17,268 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-26 13:31:17,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 206 states, but on-demand construction may add more states [2022-07-26 13:31:17,278 INFO L131 ngComponentsAnalysis]: Automaton has 37 accepting balls. 82 [2022-07-26 13:31:17,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:31:17,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:31:17,279 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-26 13:31:17,279 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-26 13:31:17,286 INFO L733 eck$LassoCheckResult]: Stem: 94#[ULTIMATE.startENTRY]don't care [216] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 97#[L-1]don't care [193] L-1-->L-1-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] 99#[L-1-1]don't care [225] L-1-1-->L-1-2: Formula: (= (select |v_#valid_5| 0) 0) InVars {#valid=|v_#valid_5|} OutVars{#valid=|v_#valid_5|} AuxVars[] AssignedVars[] 101#[L-1-2]don't care [227] L-1-2-->L21: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] 103#[L21]don't care [187] L21-->L21-1: Formula: (and (= (select |v_#valid_6| 1) 1) (= 2 (select |v_#length_1| 1))) InVars {#length=|v_#length_1|, #valid=|v_#valid_6|} OutVars{#length=|v_#length_1|, #valid=|v_#valid_6|} AuxVars[] AssignedVars[] 105#[L21-1]don't care [212] L21-1-->L21-2: Formula: (= 48 (select (select |v_#memory_int_1| 1) 0)) InVars {#memory_int=|v_#memory_int_1|} OutVars{#memory_int=|v_#memory_int_1|} AuxVars[] AssignedVars[] 107#[L21-2]don't care [206] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_2| 1) 1) 0) InVars {#memory_int=|v_#memory_int_2|} OutVars{#memory_int=|v_#memory_int_2|} AuxVars[] AssignedVars[] 109#[L21-3]don't care [172] L21-3-->L21-4: Formula: (and (= (select |v_#valid_7| 2) 1) (= 38 (select |v_#length_2| 2))) InVars {#length=|v_#length_2|, #valid=|v_#valid_7|} OutVars{#length=|v_#length_2|, #valid=|v_#valid_7|} AuxVars[] AssignedVars[] 111#[L21-4]don't care [237] L21-4-->L37: Formula: (= v_~pos~0_9 0) InVars {} OutVars{~pos~0=v_~pos~0_9} AuxVars[] AssignedVars[~pos~0] 113#[L37]don't care [223] L37-->L37-1: Formula: (= v_~i1~0_7 0) InVars {} OutVars{~i1~0=v_~i1~0_7} AuxVars[] AssignedVars[~i1~0] 115#[L37-1]don't care [224] L37-1-->L37-2: Formula: (= v_~i2~0_7 0) InVars {} OutVars{~i2~0=v_~i2~0_7} AuxVars[] AssignedVars[~i2~0] 117#[L37-2]don't care [173] L37-2-->L-1-3: Formula: (= v_~N~0_5 0) InVars {} OutVars{~N~0=v_~N~0_5} AuxVars[] AssignedVars[~N~0] 119#[L-1-3]don't care [235] L-1-3-->L-1-4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 121#[L-1-4]don't care [203] L-1-4-->L-1-5: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 123#[L-1-5]don't care [168] L-1-5-->L-1-6: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 125#[L-1-6]don't care [200] L-1-6-->L66: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_1|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_1|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_1|, ULTIMATE.start_main_#t~mem15#1=|v_ULTIMATE.start_main_#t~mem15#1_1|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_1|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_3|, ULTIMATE.start_main_#t~mem16#1=|v_ULTIMATE.start_main_#t~mem16#1_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_3|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_3|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_1|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_1|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_1|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#t~mem15#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~mem16#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_~#t2~0#1.base] 127#[L66]don't care [191] L66-->L66-1: Formula: (and (= |v_#valid_8| (store |v_#valid_9| |v_ULTIMATE.start_main_~#t1~0#1.base_4| 1)) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t1~0#1.base_4|) (= 0 (select |v_#valid_9| |v_ULTIMATE.start_main_~#t1~0#1.base_4|)) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_4| 0)) (= (store |v_#length_4| |v_ULTIMATE.start_main_~#t1~0#1.base_4| 4) |v_#length_3|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_4| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, #valid=|v_#valid_9|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_4|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_4|, #valid=|v_#valid_8|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 129#[L66-1]don't care [228] L66-1-->L66-2: Formula: (and (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#t2~0#1.base_4|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_4| 0)) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_4|) (= |v_#valid_10| (store |v_#valid_11| |v_ULTIMATE.start_main_~#t2~0#1.base_4| 1)) (= (store |v_#length_6| |v_ULTIMATE.start_main_~#t2~0#1.base_4| 4) |v_#length_5|) (= (select |v_#valid_11| |v_ULTIMATE.start_main_~#t2~0#1.base_4|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_6|, #valid=|v_#valid_11|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_5|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_4|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_4|, #valid=|v_#valid_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 131#[L66-2]don't care [197] L66-2-->L69: Formula: (= |v_ULTIMATE.start_main_#t~nondet7#1_2| v_~pos~0_10) InVars {ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_2|} OutVars{ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_2|, ~pos~0=v_~pos~0_10} AuxVars[] AssignedVars[~pos~0] 133#[L69]don't care [166] L69-->L70: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet7#1] 135#[L70]don't care [240] L70-->L70-1: Formula: (= v_~i1~0_8 |v_ULTIMATE.start_main_#t~nondet8#1_2|) InVars {ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_2|} OutVars{ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_2|, ~i1~0=v_~i1~0_8} AuxVars[] AssignedVars[~i1~0] 137#[L70-1]don't care [182] L70-1-->L71: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet8#1] 139#[L71]don't care [161] L71-->L71-1: Formula: (= v_~i2~0_8 |v_ULTIMATE.start_main_#t~nondet9#1_2|) InVars {ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|, ~i2~0=v_~i2~0_8} AuxVars[] AssignedVars[~i2~0] 141#[L71-1]don't care [176] L71-1-->L72: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1] 143#[L72]don't care [239] L72-->L72-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet10#1_2| v_~N~0_6) InVars {ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_2|} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_2|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 145#[L72-1]don't care [155] L72-1-->L75: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 147#[L75]don't care [233] L75-->L75-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 149#[L75-1]don't care [186] L75-1-->L75-2: Formula: (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_1| (ite (and (= v_~i1~0_9 v_~pos~0_11) (= v_~i2~0_9 v_~pos~0_11) (= v_~pos~0_11 0)) 1 0)) InVars {~i2~0=v_~i2~0_9, ~pos~0=v_~pos~0_11, ~i1~0=v_~i1~0_9} OutVars{~i2~0=v_~i2~0_9, ~pos~0=v_~pos~0_11, ~i1~0=v_~i1~0_9, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond#1] 151#[L75-2]don't care [211] L75-2-->L33: Formula: true InVars {} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1] 153#[L33]don't care [177] L33-->L34: Formula: (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_2| |v_ULTIMATE.start_assume_abort_if_not_~cond#1_2|) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_2|} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_2|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1] 155#[L34]don't care [184] L34-->L33-1: Formula: (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_4| 0)) InVars {ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_4|} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_4|} AuxVars[] AssignedVars[] 159#[L33-1]don't care [220] L33-1-->L76: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 161#[L76]don't care [241] L76-->L76-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 163#[L76-1]don't care [209] L76-1-->L76-2: Formula: (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_3| (ite (and (<= 0 v_~N~0_7) (<= v_~N~0_7 1073741823)) 1 0)) InVars {~N~0=v_~N~0_7} OutVars{~N~0=v_~N~0_7, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond#1] 165#[L76-2]don't care [221] L76-2-->L33-2: Formula: true InVars {} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_5|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1] 167#[L33-2]don't care [178] L33-2-->L34-3: Formula: (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_4| |v_ULTIMATE.start_assume_abort_if_not_~cond#1_6|) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_4|} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_6|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1] 169#[L34-3]don't care [170] L34-3-->L33-3: Formula: (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_8| 0)) InVars {ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_8|} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_8|} AuxVars[] AssignedVars[] 173#[L33-3]don't care [238] L33-3-->L78: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 175#[L78]don't care [175] L78-->L78-1: Formula: (= |v_ULTIMATE.start_main_#t~pre11#1_2| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #pthreadsForks=|v_#pthreadsForks_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 177#[L78-1]don't care [179] L78-1-->L78-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 179#[L78-2]don't care [201] L78-2-->L78-3: Formula: (and (= (select |v_#valid_12| |v_ULTIMATE.start_main_~#t1~0#1.base_5|) 1) (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_5| 4) (select |v_#length_7| |v_ULTIMATE.start_main_~#t1~0#1.base_5|)) (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t1~0#1.base_5| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t1~0#1.base_5|) |v_ULTIMATE.start_main_~#t1~0#1.offset_5| |v_ULTIMATE.start_main_#t~pre11#1_3|)) |v_#memory_int_3|) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_5|)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_3|, #valid=|v_#valid_12|, #memory_int=|v_#memory_int_4|, #length=|v_#length_7|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_5|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_5|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_3|, #valid=|v_#valid_12|, #memory_int=|v_#memory_int_3|, #length=|v_#length_7|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_5|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_5|} AuxVars[] AssignedVars[#memory_int] 181#[L78-3]don't care [258] L78-3-->L46: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_4|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_4|, thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_4|, thread1Thread1of1ForFork0_#t~post4=|v_thread1Thread1of1ForFork0_#t~post4_4|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_#t~post3, thread1Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 183#[L46, L78-4]don't care [2022-07-26 13:31:17,287 INFO L735 eck$LassoCheckResult]: Loop: 183#[L46, L78-4]don't care [246] L46-->L41: Formula: (< v_~i1~0_2 (* 2 v_~N~0_2)) InVars {~i1~0=v_~i1~0_2, ~N~0=v_~N~0_2} OutVars{~i1~0=v_~i1~0_2, ~N~0=v_~N~0_2} AuxVars[] AssignedVars[] 189#[L41, L78-4]don't care [248] L41-->L46: Formula: (and (= v_~pos~0_54 v_~pos~0_53) (= v_~i1~0_34 (+ v_~i1~0_36 2))) InVars {~i1~0=v_~i1~0_36, ~pos~0=v_~pos~0_54} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_1|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_1|, thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_1|, thread1Thread1of1ForFork0_#t~post4=|v_thread1Thread1of1ForFork0_#t~post4_1|, ~i1~0=v_~i1~0_34, ~pos~0=v_~pos~0_53} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_#t~post3, thread1Thread1of1ForFork0_#t~post4, ~i1~0, ~pos~0] 183#[L46, L78-4]don't care [2022-07-26 13:31:17,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:31:17,292 INFO L85 PathProgramCache]: Analyzing trace with hash 503635698, now seen corresponding path program 1 times [2022-07-26 13:31:17,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:31:17,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827379239] [2022-07-26 13:31:17,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:31:17,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:31:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:31:17,424 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:31:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:31:17,487 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:31:17,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:31:17,491 INFO L85 PathProgramCache]: Analyzing trace with hash 8835, now seen corresponding path program 1 times [2022-07-26 13:31:17,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:31:17,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349264003] [2022-07-26 13:31:17,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:31:17,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:31:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:31:17,510 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:31:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:31:17,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:31:17,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:31:17,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1337390796, now seen corresponding path program 1 times [2022-07-26 13:31:17,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:31:17,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396973317] [2022-07-26 13:31:17,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:31:17,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:31:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:31:17,563 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:31:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:31:17,603 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:31:17,652 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:31:17,652 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:31:17,652 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:31:17,652 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:31:17,652 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:31:17,653 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:17,653 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:31:17,653 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:31:17,653 INFO L133 ssoRankerPreferences]: Filename of dumped script: parallel-misc-2-unrolled-atomic.wvr.c_BEv2_Iteration1_Loop [2022-07-26 13:31:17,653 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:31:17,653 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:31:17,666 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 13:31:17,675 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 13:31:17,678 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 13:31:17,680 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 13:31:17,682 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 13:31:17,684 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 13:31:17,687 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 13:31:17,689 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 13:31:17,691 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 13:31:17,693 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 13:31:17,751 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:31:17,751 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:31:17,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:17,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:31:17,754 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 13:31:17,772 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:31:17,772 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:31:17,773 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 13:31:17,809 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 13:31:17,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:17,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:31:17,811 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 13:31:17,813 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:31:17,813 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:31:17,833 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 13:31:17,921 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:31:17,935 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 13:31:17,935 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:31:17,935 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:31:17,936 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:31:17,936 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:31:17,936 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:31:17,936 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:17,936 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:31:17,936 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:31:17,936 INFO L133 ssoRankerPreferences]: Filename of dumped script: parallel-misc-2-unrolled-atomic.wvr.c_BEv2_Iteration1_Loop [2022-07-26 13:31:17,936 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:31:17,936 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:31:17,938 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 13:31:17,945 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 13:31:17,948 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 13:31:17,950 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 13:31:17,953 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 13:31:17,954 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 13:31:17,956 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 13:31:17,958 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 13:31:17,960 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 13:31:17,962 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 13:31:18,030 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:31:18,033 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:31:18,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:18,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:31:18,035 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 13:31:18,036 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 13:31:18,037 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 13:31:18,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:31:18,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:31:18,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:31:18,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:31:18,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:31:18,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:31:18,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:31:18,058 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:31:18,064 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 13:31:18,064 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-26 13:31:18,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:18,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:31:18,088 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 13:31:18,089 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 13:31:18,124 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:31:18,124 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:31:18,125 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:31:18,125 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~i1~0, ~N~0) = -1*~i1~0 + 2*~N~0 Supporting invariants [] [2022-07-26 13:31:18,141 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 13:31:18,143 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:31:18,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:31:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:31:18,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:31:18,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:31:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:31:18,254 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:31:18,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:31:18,280 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 13:31:18,317 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-26 13:31:18,319 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 206 states, but on-demand construction may add more states Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 13:31:18,422 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 206 states, but on-demand construction may add more states. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 627 states and 1674 transitions. Complement of second has 7 states. [2022-07-26 13:31:18,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-26 13:31:18,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 13:31:18,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 170 transitions. [2022-07-26 13:31:18,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 170 transitions. Stem has 42 letters. Loop has 2 letters. [2022-07-26 13:31:18,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:31:18,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 170 transitions. Stem has 44 letters. Loop has 2 letters. [2022-07-26 13:31:18,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:31:18,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 170 transitions. Stem has 42 letters. Loop has 4 letters. [2022-07-26 13:31:18,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:31:18,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 627 states and 1674 transitions. [2022-07-26 13:31:18,450 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 46 [2022-07-26 13:31:18,457 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 627 states to 197 states and 453 transitions. [2022-07-26 13:31:18,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 115 [2022-07-26 13:31:18,459 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 156 [2022-07-26 13:31:18,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 197 states and 453 transitions. [2022-07-26 13:31:18,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:31:18,460 INFO L220 hiAutomatonCegarLoop]: Abstraction has 197 states and 453 transitions. [2022-07-26 13:31:18,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states and 453 transitions. [2022-07-26 13:31:18,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 159. [2022-07-26 13:31:18,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 159 states have (on average 2.2641509433962264) internal successors, (360), 158 states have internal predecessors, (360), 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 13:31:18,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 360 transitions. [2022-07-26 13:31:18,513 INFO L242 hiAutomatonCegarLoop]: Abstraction has 159 states and 360 transitions. [2022-07-26 13:31:18,513 INFO L426 stractBuchiCegarLoop]: Abstraction has 159 states and 360 transitions. [2022-07-26 13:31:18,513 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-26 13:31:18,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 159 states and 360 transitions. [2022-07-26 13:31:18,514 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 46 [2022-07-26 13:31:18,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:31:18,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:31:18,537 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-26 13:31:18,538 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-26 13:31:18,539 INFO L733 eck$LassoCheckResult]: Stem: 1601#[ULTIMATE.startENTRY]don't care [216] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 1459#[L-1]don't care [193] L-1-->L-1-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] 1461#[L-1-1]don't care [225] L-1-1-->L-1-2: Formula: (= (select |v_#valid_5| 0) 0) InVars {#valid=|v_#valid_5|} OutVars{#valid=|v_#valid_5|} AuxVars[] AssignedVars[] 1605#[L-1-2]don't care [227] L-1-2-->L21: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] 1587#[L21]don't care [187] L21-->L21-1: Formula: (and (= (select |v_#valid_6| 1) 1) (= 2 (select |v_#length_1| 1))) InVars {#length=|v_#length_1|, #valid=|v_#valid_6|} OutVars{#length=|v_#length_1|, #valid=|v_#valid_6|} AuxVars[] AssignedVars[] 1589#[L21-1]don't care [212] L21-1-->L21-2: Formula: (= 48 (select (select |v_#memory_int_1| 1) 0)) InVars {#memory_int=|v_#memory_int_1|} OutVars{#memory_int=|v_#memory_int_1|} AuxVars[] AssignedVars[] 1483#[L21-2]don't care [206] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_2| 1) 1) 0) InVars {#memory_int=|v_#memory_int_2|} OutVars{#memory_int=|v_#memory_int_2|} AuxVars[] AssignedVars[] 1485#[L21-3]don't care [172] L21-3-->L21-4: Formula: (and (= (select |v_#valid_7| 2) 1) (= 38 (select |v_#length_2| 2))) InVars {#length=|v_#length_2|, #valid=|v_#valid_7|} OutVars{#length=|v_#length_2|, #valid=|v_#valid_7|} AuxVars[] AssignedVars[] 1537#[L21-4]don't care [237] L21-4-->L37: Formula: (= v_~pos~0_9 0) InVars {} OutVars{~pos~0=v_~pos~0_9} AuxVars[] AssignedVars[~pos~0] 1517#[L37]don't care [223] L37-->L37-1: Formula: (= v_~i1~0_7 0) InVars {} OutVars{~i1~0=v_~i1~0_7} AuxVars[] AssignedVars[~i1~0] 1519#[L37-1]don't care [224] L37-1-->L37-2: Formula: (= v_~i2~0_7 0) InVars {} OutVars{~i2~0=v_~i2~0_7} AuxVars[] AssignedVars[~i2~0] 1357#[L37-2]don't care [173] L37-2-->L-1-3: Formula: (= v_~N~0_5 0) InVars {} OutVars{~N~0=v_~N~0_5} AuxVars[] AssignedVars[~N~0] 1359#[L-1-3]don't care [235] L-1-3-->L-1-4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 1473#[L-1-4]don't care [203] L-1-4-->L-1-5: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 1347#[L-1-5]don't care [168] L-1-5-->L-1-6: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 1349#[L-1-6]don't care [200] L-1-6-->L66: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_1|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_1|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_1|, ULTIMATE.start_main_#t~mem15#1=|v_ULTIMATE.start_main_#t~mem15#1_1|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_1|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_3|, ULTIMATE.start_main_#t~mem16#1=|v_ULTIMATE.start_main_#t~mem16#1_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_3|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_3|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_1|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_1|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_1|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#t~mem15#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~mem16#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_~#t2~0#1.base] 1449#[L66]don't care [191] L66-->L66-1: Formula: (and (= |v_#valid_8| (store |v_#valid_9| |v_ULTIMATE.start_main_~#t1~0#1.base_4| 1)) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t1~0#1.base_4|) (= 0 (select |v_#valid_9| |v_ULTIMATE.start_main_~#t1~0#1.base_4|)) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_4| 0)) (= (store |v_#length_4| |v_ULTIMATE.start_main_~#t1~0#1.base_4| 4) |v_#length_3|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_4| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, #valid=|v_#valid_9|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_4|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_4|, #valid=|v_#valid_8|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 1451#[L66-1]don't care [228] L66-1-->L66-2: Formula: (and (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#t2~0#1.base_4|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_4| 0)) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_4|) (= |v_#valid_10| (store |v_#valid_11| |v_ULTIMATE.start_main_~#t2~0#1.base_4| 1)) (= (store |v_#length_6| |v_ULTIMATE.start_main_~#t2~0#1.base_4| 4) |v_#length_5|) (= (select |v_#valid_11| |v_ULTIMATE.start_main_~#t2~0#1.base_4|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_6|, #valid=|v_#valid_11|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_5|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_4|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_4|, #valid=|v_#valid_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 1463#[L66-2]don't care [197] L66-2-->L69: Formula: (= |v_ULTIMATE.start_main_#t~nondet7#1_2| v_~pos~0_10) InVars {ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_2|} OutVars{ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_2|, ~pos~0=v_~pos~0_10} AuxVars[] AssignedVars[~pos~0] 1343#[L69]don't care [166] L69-->L70: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet7#1] 1345#[L70]don't care [240] L70-->L70-1: Formula: (= v_~i1~0_8 |v_ULTIMATE.start_main_#t~nondet8#1_2|) InVars {ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_2|} OutVars{ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_2|, ~i1~0=v_~i1~0_8} AuxVars[] AssignedVars[~i1~0] 1431#[L70-1]don't care [182] L70-1-->L71: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet8#1] 1433#[L71]don't care [161] L71-->L71-1: Formula: (= v_~i2~0_8 |v_ULTIMATE.start_main_#t~nondet9#1_2|) InVars {ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|, ~i2~0=v_~i2~0_8} AuxVars[] AssignedVars[~i2~0] 1405#[L71-1]don't care [176] L71-1-->L72: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1] 1407#[L72]don't care [239] L72-->L72-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet10#1_2| v_~N~0_6) InVars {ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_2|} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_2|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 1549#[L72-1]don't care [155] L72-1-->L75: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 1529#[L75]don't care [233] L75-->L75-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 1437#[L75-1]don't care [186] L75-1-->L75-2: Formula: (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_1| (ite (and (= v_~i1~0_9 v_~pos~0_11) (= v_~i2~0_9 v_~pos~0_11) (= v_~pos~0_11 0)) 1 0)) InVars {~i2~0=v_~i2~0_9, ~pos~0=v_~pos~0_11, ~i1~0=v_~i1~0_9} OutVars{~i2~0=v_~i2~0_9, ~pos~0=v_~pos~0_11, ~i1~0=v_~i1~0_9, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond#1] 1439#[L75-2]don't care [211] L75-2-->L33: Formula: true InVars {} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1] 1401#[L33]don't care [177] L33-->L34: Formula: (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_2| |v_ULTIMATE.start_assume_abort_if_not_~cond#1_2|) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_2|} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_2|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1] 1403#[L34]don't care [184] L34-->L33-1: Formula: (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_4| 0)) InVars {ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_4|} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_4|} AuxVars[] AssignedVars[] 1435#[L33-1]don't care [220] L33-1-->L76: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 1515#[L76]don't care [241] L76-->L76-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 1551#[L76-1]don't care [209] L76-1-->L76-2: Formula: (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_3| (ite (and (<= 0 v_~N~0_7) (<= v_~N~0_7 1073741823)) 1 0)) InVars {~N~0=v_~N~0_7} OutVars{~N~0=v_~N~0_7, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond#1] 1599#[L76-2]don't care [221] L76-2-->L33-2: Formula: true InVars {} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_5|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1] 1579#[L33-2]don't care [178] L33-2-->L34-3: Formula: (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_4| |v_ULTIMATE.start_assume_abort_if_not_~cond#1_6|) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_4|} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_6|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1] 1575#[L34-3]don't care [170] L34-3-->L33-3: Formula: (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_8| 0)) InVars {ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_8|} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_8|} AuxVars[] AssignedVars[] 1577#[L33-3]don't care [238] L33-3-->L78: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 1397#[L78]don't care [175] L78-->L78-1: Formula: (= |v_ULTIMATE.start_main_#t~pre11#1_2| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #pthreadsForks=|v_#pthreadsForks_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 1399#[L78-1]don't care [179] L78-1-->L78-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 1471#[L78-2]don't care [201] L78-2-->L78-3: Formula: (and (= (select |v_#valid_12| |v_ULTIMATE.start_main_~#t1~0#1.base_5|) 1) (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_5| 4) (select |v_#length_7| |v_ULTIMATE.start_main_~#t1~0#1.base_5|)) (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t1~0#1.base_5| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t1~0#1.base_5|) |v_ULTIMATE.start_main_~#t1~0#1.offset_5| |v_ULTIMATE.start_main_#t~pre11#1_3|)) |v_#memory_int_3|) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_5|)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_3|, #valid=|v_#valid_12|, #memory_int=|v_#memory_int_4|, #length=|v_#length_7|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_5|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_5|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_3|, #valid=|v_#valid_12|, #memory_int=|v_#memory_int_3|, #length=|v_#length_7|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_5|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_5|} AuxVars[] AssignedVars[#memory_int] 1305#[L78-3]don't care [258] L78-3-->L46: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_4|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_4|, thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_4|, thread1Thread1of1ForFork0_#t~post4=|v_thread1Thread1of1ForFork0_#t~post4_4|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_#t~post3, thread1Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 1307#[L46, L78-4]don't care [194] L78-4-->L78-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 1541#[L46, L78-5]don't care [185] L78-5-->L79: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet12#1] 1291#[L46, L79]don't care [219] L79-->L79-1: Formula: (= |v_ULTIMATE.start_main_#t~pre13#1_2| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1] 1297#[L79-1, L46]don't care [207] L79-1-->L79-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] 1383#[L79-2, L46]don't care [192] L79-2-->L79-3: Formula: (and (= |v_#memory_int_5| (store |v_#memory_int_6| |v_ULTIMATE.start_main_~#t2~0#1.base_5| (store (select |v_#memory_int_6| |v_ULTIMATE.start_main_~#t2~0#1.base_5|) |v_ULTIMATE.start_main_~#t2~0#1.offset_5| |v_ULTIMATE.start_main_#t~pre13#1_3|))) (= (select |v_#valid_13| |v_ULTIMATE.start_main_~#t2~0#1.base_5|) 1) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_5|) (<= (+ 4 |v_ULTIMATE.start_main_~#t2~0#1.offset_5|) (select |v_#length_8| |v_ULTIMATE.start_main_~#t2~0#1.base_5|))) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_3|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_5|, #valid=|v_#valid_13|, #memory_int=|v_#memory_int_6|, #length=|v_#length_8|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_5|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_3|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_5|, #valid=|v_#valid_13|, #memory_int=|v_#memory_int_5|, #length=|v_#length_8|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_5|} AuxVars[] AssignedVars[#memory_int] 1385#[L46, L79-3]don't care [261] L79-3-->L59: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= v_thread2Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork1_#t~post5=|v_thread2Thread1of1ForFork1_#t~post5_4|, thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, thread2Thread1of1ForFork1_#t~post6=|v_thread2Thread1of1ForFork1_#t~post6_4|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~post5, thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_#t~post6, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 1561#[L79-4, L59, L46]don't care [2022-07-26 13:31:18,539 INFO L735 eck$LassoCheckResult]: Loop: 1561#[L79-4, L59, L46]don't care [252] L59-->L54: Formula: (< v_~i2~0_1 (* 2 v_~N~0_3)) InVars {~i2~0=v_~i2~0_1, ~N~0=v_~N~0_3} OutVars{~i2~0=v_~i2~0_1, ~N~0=v_~N~0_3} AuxVars[] AssignedVars[] 1557#[L79-4, L46, L54]don't care [254] L54-->L59: Formula: (and (= v_~pos~0_45 v_~pos~0_43) (= v_~i2~0_34 (+ v_~i2~0_35 2))) InVars {~i2~0=v_~i2~0_35, ~pos~0=v_~pos~0_45} OutVars{thread2Thread1of1ForFork1_#t~post5=|v_thread2Thread1of1ForFork1_#t~post5_1|, ~i2~0=v_~i2~0_34, ~pos~0=v_~pos~0_43, thread2Thread1of1ForFork1_#t~post6=|v_thread2Thread1of1ForFork1_#t~post6_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~post5, thread2Thread1of1ForFork1_#t~post6, ~i2~0, ~pos~0] 1561#[L79-4, L59, L46]don't care [2022-07-26 13:31:18,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:31:18,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1985203006, now seen corresponding path program 1 times [2022-07-26 13:31:18,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:31:18,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646449415] [2022-07-26 13:31:18,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:31:18,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:31:18,546 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 13:31:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:31:18,572 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:31:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:31:18,602 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:31:18,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:31:18,603 INFO L85 PathProgramCache]: Analyzing trace with hash 9027, now seen corresponding path program 1 times [2022-07-26 13:31:18,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:31:18,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026061519] [2022-07-26 13:31:18,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:31:18,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:31:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:31:18,609 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:31:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:31:18,611 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:31:18,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:31:18,611 INFO L85 PathProgramCache]: Analyzing trace with hash -814601276, now seen corresponding path program 1 times [2022-07-26 13:31:18,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:31:18,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333702915] [2022-07-26 13:31:18,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:31:18,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:31:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:31:18,647 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:31:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:31:18,676 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:31:18,693 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:31:18,693 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:31:18,693 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:31:18,693 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:31:18,693 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:31:18,693 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:18,693 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:31:18,693 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:31:18,693 INFO L133 ssoRankerPreferences]: Filename of dumped script: parallel-misc-2-unrolled-atomic.wvr.c_BEv2_Iteration2_Loop [2022-07-26 13:31:18,693 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:31:18,693 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:31:18,695 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 13:31:18,696 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 13:31:18,699 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 13:31:18,701 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 13:31:18,703 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 13:31:18,709 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 13:31:18,711 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 13:31:18,713 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 13:31:18,754 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:31:18,754 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:31:18,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:18,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:31:18,756 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 13:31:18,774 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:31:18,774 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:31:18,783 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 13:31:18,792 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:31:18,793 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_#t~post5=0} Honda state: {thread2Thread1of1ForFork1_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:31:18,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-26 13:31:18,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:18,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:31:18,814 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 13:31:18,826 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 13:31:18,827 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:31:18,827 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:31:18,847 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:31:18,848 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 13:31:18,865 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 13:31:18,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:18,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:31:18,866 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 13:31:18,868 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 13:31:18,869 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:31:18,869 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:31:18,888 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:31:18,889 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_3=-1} Honda state: {v_rep#funAddr~thread1.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:31:18,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-07-26 13:31:18,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:18,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:31:18,915 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 13:31:18,917 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 13:31:18,917 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:31:18,917 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:31:18,939 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:31:18,940 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_3=-1} Honda state: {v_rep#funAddr~thread2.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:31:18,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-26 13:31:18,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:18,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:31:18,986 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 13:31:18,988 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 13:31:18,989 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:31:18,989 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:31:19,013 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 13:31:19,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:19,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:31:19,015 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 13:31:19,016 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 13:31:19,017 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:31:19,017 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:31:19,134 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:31:19,137 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 13:31:19,137 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:31:19,138 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:31:19,138 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:31:19,138 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:31:19,138 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:31:19,138 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:19,138 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:31:19,138 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:31:19,138 INFO L133 ssoRankerPreferences]: Filename of dumped script: parallel-misc-2-unrolled-atomic.wvr.c_BEv2_Iteration2_Loop [2022-07-26 13:31:19,138 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:31:19,138 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:31:19,140 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 13:31:19,156 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 13:31:19,159 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 13:31:19,160 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 13:31:19,163 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 13:31:19,170 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 13:31:19,172 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 13:31:19,174 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 13:31:19,226 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:31:19,227 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:31:19,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:19,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:31:19,244 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 13:31:19,252 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 13:31:19,253 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 13:31:19,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:31:19,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:31:19,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:31:19,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:31:19,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:31:19,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:31:19,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:31:19,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:31:19,317 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 13:31:19,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:19,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:31:19,320 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 13:31:19,321 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 13:31:19,322 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 13:31:19,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:31:19,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:31:19,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:31:19,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:31:19,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:31:19,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:31:19,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:31:19,370 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 13:31:19,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:19,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:31:19,372 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 13:31:19,373 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 13:31:19,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:31:19,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:31:19,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:31:19,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:31:19,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:31:19,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:31:19,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:31:19,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:31:19,437 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 13:31:19,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:19,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:31:19,439 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 13:31:19,440 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 13:31:19,441 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 13:31:19,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:31:19,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:31:19,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:31:19,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:31:19,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:31:19,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:31:19,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:31:19,481 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 13:31:19,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:19,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:31:19,482 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 13:31:19,498 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 13:31:19,499 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 13:31:19,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:31:19,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:31:19,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:31:19,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:31:19,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:31:19,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:31:19,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:31:19,509 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:31:19,514 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 13:31:19,515 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-26 13:31:19,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:19,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:31:19,516 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 13:31:19,517 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 13:31:19,518 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:31:19,518 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:31:19,518 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:31:19,518 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~i2~0, ~N~0) = -1*~i2~0 + 2*~N~0 Supporting invariants [] [2022-07-26 13:31:19,535 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 13:31:19,538 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:31:19,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:31:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:31:19,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:31:19,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:31:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:31:19,627 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:31:19,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:31:19,642 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 13:31:19,643 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-26 13:31:19,643 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 159 states and 360 transitions. cyclomatic complexity: 234 Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 13:31:19,671 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 159 states and 360 transitions. cyclomatic complexity: 234. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 332 states and 874 transitions. Complement of second has 6 states. [2022-07-26 13:31:19,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-26 13:31:19,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 13:31:19,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 89 transitions. [2022-07-26 13:31:19,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 89 transitions. Stem has 48 letters. Loop has 2 letters. [2022-07-26 13:31:19,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:31:19,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 89 transitions. Stem has 50 letters. Loop has 2 letters. [2022-07-26 13:31:19,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:31:19,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 89 transitions. Stem has 48 letters. Loop has 4 letters. [2022-07-26 13:31:19,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:31:19,674 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 332 states and 874 transitions. [2022-07-26 13:31:19,677 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:31:19,677 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 332 states to 0 states and 0 transitions. [2022-07-26 13:31:19,677 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-26 13:31:19,677 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-26 13:31:19,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-26 13:31:19,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-26 13:31:19,677 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:31:19,677 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:31:19,677 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:31:19,677 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-26 13:31:19,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-26 13:31:19,677 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:31:19,678 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 13:31:19,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 01:31:19 BoogieIcfgContainer [2022-07-26 13:31:19,683 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 13:31:19,683 INFO L158 Benchmark]: Toolchain (without parser) took 3457.19ms. Allocated memory was 181.4MB in the beginning and 240.1MB in the end (delta: 58.7MB). Free memory was 128.2MB in the beginning and 149.7MB in the end (delta: -21.5MB). Peak memory consumption was 37.2MB. Max. memory is 8.0GB. [2022-07-26 13:31:19,684 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory was 144.7MB in the beginning and 144.6MB in the end (delta: 129.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:31:19,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.94ms. Allocated memory was 181.4MB in the beginning and 240.1MB in the end (delta: 58.7MB). Free memory was 127.9MB in the beginning and 212.3MB in the end (delta: -84.4MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2022-07-26 13:31:19,684 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.54ms. Allocated memory is still 240.1MB. Free memory was 212.3MB in the beginning and 210.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:31:19,685 INFO L158 Benchmark]: Boogie Preprocessor took 25.03ms. Allocated memory is still 240.1MB. Free memory was 210.8MB in the beginning and 209.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:31:19,685 INFO L158 Benchmark]: RCFGBuilder took 466.03ms. Allocated memory is still 240.1MB. Free memory was 209.7MB in the beginning and 194.5MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-07-26 13:31:19,685 INFO L158 Benchmark]: BuchiAutomizer took 2689.05ms. Allocated memory is still 240.1MB. Free memory was 194.5MB in the beginning and 149.7MB in the end (delta: 44.8MB). Peak memory consumption was 44.3MB. Max. memory is 8.0GB. [2022-07-26 13:31:19,687 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory was 144.7MB in the beginning and 144.6MB in the end (delta: 129.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 245.94ms. Allocated memory was 181.4MB in the beginning and 240.1MB in the end (delta: 58.7MB). Free memory was 127.9MB in the beginning and 212.3MB in the end (delta: -84.4MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.54ms. Allocated memory is still 240.1MB. Free memory was 212.3MB in the beginning and 210.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.03ms. Allocated memory is still 240.1MB. Free memory was 210.8MB in the beginning and 209.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 466.03ms. Allocated memory is still 240.1MB. Free memory was 209.7MB in the beginning and 194.5MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * BuchiAutomizer took 2689.05ms. Allocated memory is still 240.1MB. Free memory was 194.5MB in the beginning and 149.7MB in the end (delta: 44.8MB). Peak memory consumption was 44.3MB. 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 2 * N + -1 * i1 and consists of 5 locations. One deterministic module has affine ranking function 2 * N + -1 * i2 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 38 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, 162 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 160 mSDsluCounter, 214 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 139 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax259 hnf100 lsp30 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-26 13:31:19,706 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 13:31:19,921 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...