/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/stack-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 16:41:22,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 16:41:22,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 16:41:22,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 16:41:22,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 16:41:22,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 16:41:22,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 16:41:22,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 16:41:22,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 16:41:22,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 16:41:22,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 16:41:22,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 16:41:22,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 16:41:22,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 16:41:22,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 16:41:22,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 16:41:22,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 16:41:22,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 16:41:22,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 16:41:22,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 16:41:22,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 16:41:22,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 16:41:22,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 16:41:22,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 16:41:22,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-15 16:41:22,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 16:41:22,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 16:41:22,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 16:41:22,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 16:41:22,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 16:41:22,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 16:41:22,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 16:41:22,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 16:41:22,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 16:41:22,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 16:41:22,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 16:41:22,328 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 16:41:22,368 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 16:41:22,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 16:41:22,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 16:41:22,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 16:41:22,370 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 16:41:22,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 16:41:22,371 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 16:41:22,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 16:41:22,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 16:41:22,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 16:41:22,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 16:41:22,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 16:41:22,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 16:41:22,373 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 16:41:22,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 16:41:22,373 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 16:41:22,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 16:41:22,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 16:41:22,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 16:41:22,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 16:41:22,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 16:41:22,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 16:41:22,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 16:41:22,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 16:41:22,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 16:41:22,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 16:41:22,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 16:41:22,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 16:41:22,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 16:41:22,376 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 16:41:22,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 16:41:22,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 16:41:22,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 16:41:22,681 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 16:41:22,681 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 16:41:22,682 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-2.i [2020-10-15 16:41:22,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00f47669e/5d960e864e6e42b797d94071081a4971/FLAGee2dd4702 [2020-10-15 16:41:23,306 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 16:41:23,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i [2020-10-15 16:41:23,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00f47669e/5d960e864e6e42b797d94071081a4971/FLAGee2dd4702 [2020-10-15 16:41:23,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00f47669e/5d960e864e6e42b797d94071081a4971 [2020-10-15 16:41:23,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 16:41:23,614 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 16:41:23,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 16:41:23,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 16:41:23,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 16:41:23,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:41:23" (1/1) ... [2020-10-15 16:41:23,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c5c95d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:23, skipping insertion in model container [2020-10-15 16:41:23,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:41:23" (1/1) ... [2020-10-15 16:41:23,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 16:41:23,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 16:41:24,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 16:41:24,261 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 16:41:24,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 16:41:24,478 INFO L208 MainTranslator]: Completed translation [2020-10-15 16:41:24,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:24 WrapperNode [2020-10-15 16:41:24,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 16:41:24,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 16:41:24,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 16:41:24,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 16:41:24,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:24" (1/1) ... [2020-10-15 16:41:24,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:24" (1/1) ... [2020-10-15 16:41:24,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 16:41:24,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 16:41:24,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 16:41:24,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 16:41:24,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:24" (1/1) ... [2020-10-15 16:41:24,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:24" (1/1) ... [2020-10-15 16:41:24,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:24" (1/1) ... [2020-10-15 16:41:24,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:24" (1/1) ... [2020-10-15 16:41:24,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:24" (1/1) ... [2020-10-15 16:41:24,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:24" (1/1) ... [2020-10-15 16:41:24,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:24" (1/1) ... [2020-10-15 16:41:24,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 16:41:24,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 16:41:24,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 16:41:24,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 16:41:24,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 16:41:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-15 16:41:24,706 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-15 16:41:24,706 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-15 16:41:24,706 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-15 16:41:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 16:41:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 16:41:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 16:41:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 16:41:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-15 16:41:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 16:41:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 16:41:24,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 16:41:24,710 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 16:41:25,248 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 16:41:25,248 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-15 16:41:25,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:41:25 BoogieIcfgContainer [2020-10-15 16:41:25,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 16:41:25,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 16:41:25,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 16:41:25,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 16:41:25,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:41:23" (1/3) ... [2020-10-15 16:41:25,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1586b5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:41:25, skipping insertion in model container [2020-10-15 16:41:25,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:41:24" (2/3) ... [2020-10-15 16:41:25,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1586b5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:41:25, skipping insertion in model container [2020-10-15 16:41:25,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:41:25" (3/3) ... [2020-10-15 16:41:25,260 INFO L111 eAbstractionObserver]: Analyzing ICFG stack-2.i [2020-10-15 16:41:25,273 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 16:41:25,273 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 16:41:25,282 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 16:41:25,283 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 16:41:25,320 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,321 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,321 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,321 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,322 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,322 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,322 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,322 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,323 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,323 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,323 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,324 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,324 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,324 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,324 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,324 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,325 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,325 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,325 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,325 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,326 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,326 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,326 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,326 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,327 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,327 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,327 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,328 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,328 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,328 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,328 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,328 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,329 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,329 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,329 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,329 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,329 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,330 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,330 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,330 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,331 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,331 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,331 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,331 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,332 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,332 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,332 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,332 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,333 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,333 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,333 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,333 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,333 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,334 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,334 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,334 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,334 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,335 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,335 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,335 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,336 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,336 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,336 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,336 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,336 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,337 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,337 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,337 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,339 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,339 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,339 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,339 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,340 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,340 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,340 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,341 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,341 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,341 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,341 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,342 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,342 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,342 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,343 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,343 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,343 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,343 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,344 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,344 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,344 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,344 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,345 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,345 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,345 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,345 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,346 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,346 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,346 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,346 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,347 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,347 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,347 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,347 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,348 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,348 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,348 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,348 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,349 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,349 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,349 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,349 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,350 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,350 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,350 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,350 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,351 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,351 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,351 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,352 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,352 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,352 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,352 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,352 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,353 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,353 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,353 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,354 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,354 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,354 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,354 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,354 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,355 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,355 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,355 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,359 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,359 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,360 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,360 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,360 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,360 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,362 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,362 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,362 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,362 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,363 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,363 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,363 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,363 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,363 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,364 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,364 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,364 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,364 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,372 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,372 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,373 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,373 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,373 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,373 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,374 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,374 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,374 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,374 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,374 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,375 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,375 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,375 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,375 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,376 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,376 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,376 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,376 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:41:25,401 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-15 16:41:25,424 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 16:41:25,424 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 16:41:25,425 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 16:41:25,425 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 16:41:25,425 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 16:41:25,425 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 16:41:25,425 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 16:41:25,425 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 16:41:25,442 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 16:41:25,444 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 149 transitions, 320 flow [2020-10-15 16:41:25,447 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 149 transitions, 320 flow [2020-10-15 16:41:25,449 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 144 places, 149 transitions, 320 flow [2020-10-15 16:41:25,540 INFO L129 PetriNetUnfolder]: 11/149 cut-off events. [2020-10-15 16:41:25,540 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-15 16:41:25,556 INFO L80 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 149 events. 11/149 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 386 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-10-15 16:41:25,566 INFO L117 LiptonReduction]: Number of co-enabled transitions 6532 [2020-10-15 16:41:27,953 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-10-15 16:41:29,250 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 121 [2020-10-15 16:41:29,512 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 16:41:29,524 INFO L132 LiptonReduction]: Checked pairs total: 11683 [2020-10-15 16:41:29,524 INFO L134 LiptonReduction]: Total number of compositions: 134 [2020-10-15 16:41:29,530 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 41 transitions, 104 flow [2020-10-15 16:41:29,556 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2020-10-15 16:41:29,560 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2020-10-15 16:41:29,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-15 16:41:29,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:41:29,571 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-15 16:41:29,572 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:41:29,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:41:29,578 INFO L82 PathProgramCache]: Analyzing trace with hash 913680502, now seen corresponding path program 1 times [2020-10-15 16:41:29,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:41:29,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021858511] [2020-10-15 16:41:29,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:41:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:41:29,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:41:29,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021858511] [2020-10-15 16:41:29,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:41:29,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 16:41:29,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723280744] [2020-10-15 16:41:29,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 16:41:29,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:41:29,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 16:41:29,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:41:29,847 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 3 states. [2020-10-15 16:41:29,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:41:29,944 INFO L93 Difference]: Finished difference Result 602 states and 1541 transitions. [2020-10-15 16:41:29,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 16:41:29,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-15 16:41:29,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:41:29,968 INFO L225 Difference]: With dead ends: 602 [2020-10-15 16:41:29,969 INFO L226 Difference]: Without dead ends: 580 [2020-10-15 16:41:29,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:41:29,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-10-15 16:41:30,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 427. [2020-10-15 16:41:30,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2020-10-15 16:41:30,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1148 transitions. [2020-10-15 16:41:30,066 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1148 transitions. Word has length 6 [2020-10-15 16:41:30,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:41:30,067 INFO L481 AbstractCegarLoop]: Abstraction has 427 states and 1148 transitions. [2020-10-15 16:41:30,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 16:41:30,067 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1148 transitions. [2020-10-15 16:41:30,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-15 16:41:30,068 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:41:30,068 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:41:30,069 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 16:41:30,069 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:41:30,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:41:30,069 INFO L82 PathProgramCache]: Analyzing trace with hash -58751093, now seen corresponding path program 1 times [2020-10-15 16:41:30,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:41:30,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86536932] [2020-10-15 16:41:30,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:41:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:41:30,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:41:30,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86536932] [2020-10-15 16:41:30,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:41:30,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 16:41:30,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153022066] [2020-10-15 16:41:30,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 16:41:30,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:41:30,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 16:41:30,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:41:30,233 INFO L87 Difference]: Start difference. First operand 427 states and 1148 transitions. Second operand 3 states. [2020-10-15 16:41:30,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:41:30,258 INFO L93 Difference]: Finished difference Result 530 states and 1370 transitions. [2020-10-15 16:41:30,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 16:41:30,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-15 16:41:30,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:41:30,264 INFO L225 Difference]: With dead ends: 530 [2020-10-15 16:41:30,264 INFO L226 Difference]: Without dead ends: 508 [2020-10-15 16:41:30,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:41:30,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2020-10-15 16:41:30,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 468. [2020-10-15 16:41:30,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-10-15 16:41:30,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 1250 transitions. [2020-10-15 16:41:30,299 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 1250 transitions. Word has length 8 [2020-10-15 16:41:30,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:41:30,300 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 1250 transitions. [2020-10-15 16:41:30,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 16:41:30,301 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1250 transitions. [2020-10-15 16:41:30,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 16:41:30,302 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:41:30,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:41:30,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 16:41:30,303 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:41:30,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:41:30,303 INFO L82 PathProgramCache]: Analyzing trace with hash 937555321, now seen corresponding path program 1 times [2020-10-15 16:41:30,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:41:30,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950314981] [2020-10-15 16:41:30,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:41:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:41:30,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:41:30,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950314981] [2020-10-15 16:41:30,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:41:30,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 16:41:30,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347756208] [2020-10-15 16:41:30,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 16:41:30,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:41:30,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 16:41:30,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:41:30,356 INFO L87 Difference]: Start difference. First operand 468 states and 1250 transitions. Second operand 3 states. [2020-10-15 16:41:30,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:41:30,371 INFO L93 Difference]: Finished difference Result 504 states and 1343 transitions. [2020-10-15 16:41:30,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 16:41:30,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-15 16:41:30,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:41:30,377 INFO L225 Difference]: With dead ends: 504 [2020-10-15 16:41:30,377 INFO L226 Difference]: Without dead ends: 504 [2020-10-15 16:41:30,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:41:30,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-10-15 16:41:30,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2020-10-15 16:41:30,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-10-15 16:41:30,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 1343 transitions. [2020-10-15 16:41:30,407 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 1343 transitions. Word has length 10 [2020-10-15 16:41:30,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:41:30,408 INFO L481 AbstractCegarLoop]: Abstraction has 504 states and 1343 transitions. [2020-10-15 16:41:30,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 16:41:30,408 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1343 transitions. [2020-10-15 16:41:30,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 16:41:30,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:41:30,411 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:41:30,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 16:41:30,411 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:41:30,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:41:30,412 INFO L82 PathProgramCache]: Analyzing trace with hash -493457114, now seen corresponding path program 1 times [2020-10-15 16:41:30,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:41:30,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953319545] [2020-10-15 16:41:30,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:41:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:41:30,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:41:30,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953319545] [2020-10-15 16:41:30,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541289013] [2020-10-15 16:41:30,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:41:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:41:30,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-15 16:41:30,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:41:30,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:41:30,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:41:30,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-15 16:41:30,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89616394] [2020-10-15 16:41:30,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 16:41:30,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:41:30,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 16:41:30,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-15 16:41:30,720 INFO L87 Difference]: Start difference. First operand 504 states and 1343 transitions. Second operand 7 states. [2020-10-15 16:41:30,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:41:30,825 INFO L93 Difference]: Finished difference Result 940 states and 2424 transitions. [2020-10-15 16:41:30,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 16:41:30,825 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-15 16:41:30,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:41:30,832 INFO L225 Difference]: With dead ends: 940 [2020-10-15 16:41:30,833 INFO L226 Difference]: Without dead ends: 940 [2020-10-15 16:41:30,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-15 16:41:30,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2020-10-15 16:41:30,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 688. [2020-10-15 16:41:30,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2020-10-15 16:41:30,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1842 transitions. [2020-10-15 16:41:30,862 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1842 transitions. Word has length 14 [2020-10-15 16:41:30,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:41:30,863 INFO L481 AbstractCegarLoop]: Abstraction has 688 states and 1842 transitions. [2020-10-15 16:41:30,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 16:41:30,863 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1842 transitions. [2020-10-15 16:41:30,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-15 16:41:30,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:41:30,865 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:41:31,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:41:31,081 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:41:31,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:41:31,082 INFO L82 PathProgramCache]: Analyzing trace with hash 875268143, now seen corresponding path program 1 times [2020-10-15 16:41:31,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:41:31,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860573358] [2020-10-15 16:41:31,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:41:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:41:31,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:41:31,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860573358] [2020-10-15 16:41:31,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:41:31,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 16:41:31,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360288584] [2020-10-15 16:41:31,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 16:41:31,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:41:31,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 16:41:31,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 16:41:31,127 INFO L87 Difference]: Start difference. First operand 688 states and 1842 transitions. Second operand 4 states. [2020-10-15 16:41:31,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:41:31,159 INFO L93 Difference]: Finished difference Result 343 states and 775 transitions. [2020-10-15 16:41:31,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 16:41:31,160 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-15 16:41:31,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:41:31,162 INFO L225 Difference]: With dead ends: 343 [2020-10-15 16:41:31,162 INFO L226 Difference]: Without dead ends: 339 [2020-10-15 16:41:31,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 16:41:31,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-10-15 16:41:31,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 313. [2020-10-15 16:41:31,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-10-15 16:41:31,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 700 transitions. [2020-10-15 16:41:31,173 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 700 transitions. Word has length 16 [2020-10-15 16:41:31,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:41:31,173 INFO L481 AbstractCegarLoop]: Abstraction has 313 states and 700 transitions. [2020-10-15 16:41:31,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 16:41:31,174 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 700 transitions. [2020-10-15 16:41:31,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 16:41:31,176 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:41:31,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:41:31,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 16:41:31,176 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:41:31,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:41:31,177 INFO L82 PathProgramCache]: Analyzing trace with hash -623007831, now seen corresponding path program 1 times [2020-10-15 16:41:31,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:41:31,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461221844] [2020-10-15 16:41:31,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:41:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:41:31,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:41:31,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461221844] [2020-10-15 16:41:31,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:41:31,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 16:41:31,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275464367] [2020-10-15 16:41:31,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 16:41:31,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:41:31,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 16:41:31,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 16:41:31,237 INFO L87 Difference]: Start difference. First operand 313 states and 700 transitions. Second operand 5 states. [2020-10-15 16:41:31,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:41:31,308 INFO L93 Difference]: Finished difference Result 473 states and 1056 transitions. [2020-10-15 16:41:31,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 16:41:31,309 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-15 16:41:31,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:41:31,312 INFO L225 Difference]: With dead ends: 473 [2020-10-15 16:41:31,312 INFO L226 Difference]: Without dead ends: 473 [2020-10-15 16:41:31,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 16:41:31,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-10-15 16:41:31,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 351. [2020-10-15 16:41:31,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-10-15 16:41:31,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 791 transitions. [2020-10-15 16:41:31,324 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 791 transitions. Word has length 17 [2020-10-15 16:41:31,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:41:31,325 INFO L481 AbstractCegarLoop]: Abstraction has 351 states and 791 transitions. [2020-10-15 16:41:31,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 16:41:31,325 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 791 transitions. [2020-10-15 16:41:31,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-15 16:41:31,327 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:41:31,327 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:41:31,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 16:41:31,327 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:41:31,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:41:31,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1134249582, now seen corresponding path program 1 times [2020-10-15 16:41:31,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:41:31,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539069241] [2020-10-15 16:41:31,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:41:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:41:31,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:41:31,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539069241] [2020-10-15 16:41:31,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:41:31,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 16:41:31,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892776552] [2020-10-15 16:41:31,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 16:41:31,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:41:31,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 16:41:31,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-15 16:41:31,862 INFO L87 Difference]: Start difference. First operand 351 states and 791 transitions. Second operand 14 states. [2020-10-15 16:41:33,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:41:33,344 INFO L93 Difference]: Finished difference Result 743 states and 1627 transitions. [2020-10-15 16:41:33,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 16:41:33,345 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2020-10-15 16:41:33,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:41:33,349 INFO L225 Difference]: With dead ends: 743 [2020-10-15 16:41:33,349 INFO L226 Difference]: Without dead ends: 743 [2020-10-15 16:41:33,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2020-10-15 16:41:33,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2020-10-15 16:41:33,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 436. [2020-10-15 16:41:33,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2020-10-15 16:41:33,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 990 transitions. [2020-10-15 16:41:33,365 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 990 transitions. Word has length 21 [2020-10-15 16:41:33,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:41:33,365 INFO L481 AbstractCegarLoop]: Abstraction has 436 states and 990 transitions. [2020-10-15 16:41:33,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 16:41:33,365 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 990 transitions. [2020-10-15 16:41:33,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 16:41:33,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:41:33,367 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-15 16:41:33,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 16:41:33,367 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:41:33,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:41:33,368 INFO L82 PathProgramCache]: Analyzing trace with hash -730101290, now seen corresponding path program 2 times [2020-10-15 16:41:33,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:41:33,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140242084] [2020-10-15 16:41:33,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:41:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:41:33,434 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:41:33,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140242084] [2020-10-15 16:41:33,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293167019] [2020-10-15 16:41:33,435 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:41:33,512 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 16:41:33,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 16:41:33,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-15 16:41:33,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:41:33,539 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:41:33,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:41:33,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-15 16:41:33,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827096371] [2020-10-15 16:41:33,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 16:41:33,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:41:33,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 16:41:33,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-15 16:41:33,541 INFO L87 Difference]: Start difference. First operand 436 states and 990 transitions. Second operand 9 states. [2020-10-15 16:41:33,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:41:33,618 INFO L93 Difference]: Finished difference Result 789 states and 1756 transitions. [2020-10-15 16:41:33,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 16:41:33,619 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-15 16:41:33,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:41:33,624 INFO L225 Difference]: With dead ends: 789 [2020-10-15 16:41:33,624 INFO L226 Difference]: Without dead ends: 789 [2020-10-15 16:41:33,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-15 16:41:33,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-10-15 16:41:33,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 548. [2020-10-15 16:41:33,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-10-15 16:41:33,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 1256 transitions. [2020-10-15 16:41:33,641 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 1256 transitions. Word has length 22 [2020-10-15 16:41:33,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:41:33,641 INFO L481 AbstractCegarLoop]: Abstraction has 548 states and 1256 transitions. [2020-10-15 16:41:33,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 16:41:33,641 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1256 transitions. [2020-10-15 16:41:33,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-15 16:41:33,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:41:33,643 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:41:33,858 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:41:33,859 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:41:33,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:41:33,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1923020665, now seen corresponding path program 1 times [2020-10-15 16:41:33,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:41:33,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404244609] [2020-10-15 16:41:33,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:41:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 16:41:33,924 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 16:41:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 16:41:33,946 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 16:41:33,974 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 16:41:33,974 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 16:41:33,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 16:41:33,975 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 16:41:33,976 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 16:41:33,983 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [572] [572] L4-->L978-1: Formula: (and (not (= t1Thread1of1ForFork0_assume_abort_if_not_~cond_In302245245 0)) (let ((.cse0 (mod t1Thread1of1ForFork0_~tmp~0_In302245245 4294967296))) (let ((.cse1 (<= .cse0 2147483647))) (or (and (= .cse0 |t1Thread1of1ForFork0_push_#in~x_Out302245245|) .cse1) (and (not .cse1) (= |t1Thread1of1ForFork0_push_#in~x_Out302245245| (+ .cse0 (- 4294967296))))))) (= |t1Thread1of1ForFork0_push_#in~stack.base_Out302245245| |~#arr~0.base_In302245245|) (= |~#arr~0.offset_In302245245| |t1Thread1of1ForFork0_push_#in~stack.offset_Out302245245|)) InVars {~#arr~0.offset=|~#arr~0.offset_In302245245|, t1Thread1of1ForFork0_assume_abort_if_not_~cond=t1Thread1of1ForFork0_assume_abort_if_not_~cond_In302245245, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In302245245, ~#arr~0.base=|~#arr~0.base_In302245245|} OutVars{t1Thread1of1ForFork0_push_#in~x=|t1Thread1of1ForFork0_push_#in~x_Out302245245|, ~#arr~0.offset=|~#arr~0.offset_In302245245|, t1Thread1of1ForFork0_assume_abort_if_not_~cond=t1Thread1of1ForFork0_assume_abort_if_not_~cond_In302245245, t1Thread1of1ForFork0_push_#in~stack.base=|t1Thread1of1ForFork0_push_#in~stack.base_Out302245245|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In302245245, t1Thread1of1ForFork0_push_#res=|t1Thread1of1ForFork0_push_#res_Out302245245|, t1Thread1of1ForFork0_push_#in~stack.offset=|t1Thread1of1ForFork0_push_#in~stack.offset_Out302245245|, ~#arr~0.base=|~#arr~0.base_In302245245|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#in~stack.offset] because there is no mapped edge [2020-10-15 16:41:33,991 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [582] [582] L993-3-->L988-6: Formula: (and (<= |t2Thread1of1ForFork1_#t~ret47_In785447337| 2147483647) (<= 0 (+ |t2Thread1of1ForFork1_#t~ret47_In785447337| 2147483648)) (= (store |#pthreadsMutex_In785447337| |~#m~0.base_In785447337| (store (select |#pthreadsMutex_In785447337| |~#m~0.base_In785447337|) |~#m~0.offset_In785447337| 0)) |#pthreadsMutex_Out785447337|) (not (= |t2Thread1of1ForFork1_#t~ret47_In785447337| (- 2))) (= t2Thread1of1ForFork1_~i~1_In785447337 (+ t2Thread1of1ForFork1_~i~1_Out785447337 (- 1)))) InVars {#pthreadsMutex=|#pthreadsMutex_In785447337|, ~#m~0.base=|~#m~0.base_In785447337|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_In785447337|, ~#m~0.offset=|~#m~0.offset_In785447337|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In785447337} OutVars{#pthreadsMutex=|#pthreadsMutex_Out785447337|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_Out785447337|, ~#m~0.base=|~#m~0.base_In785447337|, ~#m~0.offset=|~#m~0.offset_In785447337|, t2Thread1of1ForFork1_#t~post45=|t2Thread1of1ForFork1_#t~post45_Out785447337|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out785447337} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret47, t2Thread1of1ForFork1_#t~post45, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2020-10-15 16:41:34,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:41:34 BasicIcfg [2020-10-15 16:41:34,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 16:41:34,059 INFO L168 Benchmark]: Toolchain (without parser) took 10443.89 ms. Allocated memory was 250.1 MB in the beginning and 477.1 MB in the end (delta: 227.0 MB). Free memory was 205.9 MB in the beginning and 267.4 MB in the end (delta: -61.5 MB). Peak memory consumption was 165.5 MB. Max. memory is 14.2 GB. [2020-10-15 16:41:34,059 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 16:41:34,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 864.99 ms. Allocated memory was 250.1 MB in the beginning and 312.5 MB in the end (delta: 62.4 MB). Free memory was 205.9 MB in the beginning and 240.3 MB in the end (delta: -34.5 MB). Peak memory consumption was 38.1 MB. Max. memory is 14.2 GB. [2020-10-15 16:41:34,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.22 ms. Allocated memory is still 312.5 MB. Free memory was 240.3 MB in the beginning and 237.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 16:41:34,066 INFO L168 Benchmark]: Boogie Preprocessor took 33.30 ms. Allocated memory is still 312.5 MB. Free memory was 237.8 MB in the beginning and 235.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 16:41:34,067 INFO L168 Benchmark]: RCFGBuilder took 623.19 ms. Allocated memory is still 312.5 MB. Free memory was 235.3 MB in the beginning and 200.9 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 14.2 GB. [2020-10-15 16:41:34,068 INFO L168 Benchmark]: TraceAbstraction took 8803.80 ms. Allocated memory was 312.5 MB in the beginning and 477.1 MB in the end (delta: 164.6 MB). Free memory was 200.9 MB in the beginning and 267.4 MB in the end (delta: -66.5 MB). Peak memory consumption was 98.1 MB. Max. memory is 14.2 GB. [2020-10-15 16:41:34,078 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 864.99 ms. Allocated memory was 250.1 MB in the beginning and 312.5 MB in the end (delta: 62.4 MB). Free memory was 205.9 MB in the beginning and 240.3 MB in the end (delta: -34.5 MB). Peak memory consumption was 38.1 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 112.22 ms. Allocated memory is still 312.5 MB. Free memory was 240.3 MB in the beginning and 237.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 33.30 ms. Allocated memory is still 312.5 MB. Free memory was 237.8 MB in the beginning and 235.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 623.19 ms. Allocated memory is still 312.5 MB. Free memory was 235.3 MB in the beginning and 200.9 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 8803.80 ms. Allocated memory was 312.5 MB in the beginning and 477.1 MB in the end (delta: 164.6 MB). Free memory was 200.9 MB in the beginning and 267.4 MB in the end (delta: -66.5 MB). Peak memory consumption was 98.1 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4860 VarBasedMoverChecksPositive, 89 VarBasedMoverChecksNegative, 29 SemBasedMoverChecksPositive, 60 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 358 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.0s, 144 PlacesBefore, 40 PlacesAfterwards, 149 TransitionsBefore, 41 TransitionsAfterwards, 6532 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 22 ConcurrentYvCompositions, 4 ChoiceCompositions, 134 TotalNumberOfCompositions, 11683 MoverChecksTotal - CounterExampleResult [Line: 922]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L916] 0 static int top=0; [L917] 0 static unsigned int arr[(5)]; [L918] 0 pthread_mutex_t m; [L919] 0 _Bool flag=(0); [L1002] 0 pthread_t id1, id2; [L1004] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={6:0}, flag=0, m={10:0}, top=0] [L971] 1 int i; [L972] 1 unsigned int tmp; [L973] 1 i=0 VAL [arr={6:0}, flag=0, m={10:0}, top=0] [L1005] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={6:0}, flag=0, m={10:0}, top=0] [L987] 2 int i; [L988] 2 i=0 VAL [arr={6:0}, flag=0, m={10:0}, top=0] [L973] COND TRUE 1 i<(5) [L976] 1 tmp = __VERIFIER_nondet_uint() [L943] COND FALSE 1 !(top==(5)) [L935] 1 return top; [L950] 1 stack[get_top()] = x VAL [arr={6:0}, flag=0, m={10:0}, top=0] [L927] 1 top++ [L953] 1 return 0; [L978] COND FALSE 1 !(push(arr,tmp)==(-1)) [L980] 1 flag=(1) VAL [arr={6:0}, flag=1, m={10:0}, top=1] [L973] 1 i++ VAL [arr={6:0}, flag=1, m={10:0}, top=1] [L988] COND TRUE 2 i<(5) [L991] COND TRUE 2 \read(flag) [L935] 2 return top; VAL [arr={6:0}, flag=1, m={10:0}, top=1] [L957] COND FALSE 2 !(get_top()==0) [L931] 2 top-- VAL [arr={6:0}, flag=1, m={10:0}, top=0] [L935] 2 return top; [L965] EXPR 2 stack[get_top()] [L965] 2 return stack[get_top()]; [L988] COND TRUE 2 i<(5) [L991] COND TRUE 2 \read(flag) [L935] 2 return top; [L957] COND TRUE 2 get_top()==0 [L960] 2 return (-2); [L993] COND TRUE 2 !(pop(arr)!=(-2)) [L922] 2 __VERIFIER_error() VAL [arr={6:0}, flag=1, m={10:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 138 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.5s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: 397 SDtfs, 553 SDslu, 1076 SDs, 0 SdLazy, 778 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1141 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 12342 SizeOfPredicates, 5 NumberOfNonLiveVariables, 347 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 6/34 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...