/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf -i ../../../trunk/examples/svcomp/pthread/stateful01-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-17 20:41:12,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-17 20:41:12,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-17 20:41:12,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-17 20:41:12,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-17 20:41:12,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-17 20:41:12,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-17 20:41:12,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-17 20:41:12,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-17 20:41:12,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-17 20:41:12,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-17 20:41:12,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-17 20:41:12,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-17 20:41:12,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-17 20:41:12,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-17 20:41:12,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-17 20:41:12,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-17 20:41:12,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-17 20:41:12,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-17 20:41:12,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-17 20:41:12,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-17 20:41:12,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-17 20:41:12,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-17 20:41:12,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-17 20:41:12,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-17 20:41:12,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-17 20:41:12,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-17 20:41:12,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-17 20:41:12,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-17 20:41:12,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-17 20:41:12,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-17 20:41:12,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-17 20:41:12,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-17 20:41:12,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-17 20:41:12,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-17 20:41:12,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-17 20:41:12,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-17 20:41:12,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-17 20:41:12,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-17 20:41:12,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-17 20:41:12,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-17 20:41:12,416 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf [2020-12-17 20:41:12,445 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-17 20:41:12,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-17 20:41:12,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-17 20:41:12,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-17 20:41:12,447 INFO L138 SettingsManager]: * Use SBE=true [2020-12-17 20:41:12,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-17 20:41:12,448 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-17 20:41:12,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-17 20:41:12,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-17 20:41:12,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-17 20:41:12,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-17 20:41:12,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-17 20:41:12,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-17 20:41:12,450 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-17 20:41:12,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-17 20:41:12,451 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-17 20:41:12,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-17 20:41:12,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-17 20:41:12,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-17 20:41:12,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-17 20:41:12,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-17 20:41:12,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-17 20:41:12,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-17 20:41:12,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-17 20:41:12,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-17 20:41:12,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-17 20:41:12,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-17 20:41:12,454 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-17 20:41:12,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-17 20:41:12,455 INFO L138 SettingsManager]: * Remove dead ends from automaton=false [2020-12-17 20:41:12,455 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-17 20:41:12,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-17 20:41:12,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-17 20:41:12,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-17 20:41:12,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-17 20:41:12,906 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-17 20:41:12,908 INFO L275 PluginConnector]: CDTParser initialized [2020-12-17 20:41:12,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-1.i [2020-12-17 20:41:13,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fcd8afe8/cc6441f4a8c14a62917eaf75c801b4db/FLAG4a6108fc8 [2020-12-17 20:41:13,795 INFO L306 CDTParser]: Found 1 translation units. [2020-12-17 20:41:13,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i [2020-12-17 20:41:13,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fcd8afe8/cc6441f4a8c14a62917eaf75c801b4db/FLAG4a6108fc8 [2020-12-17 20:41:14,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fcd8afe8/cc6441f4a8c14a62917eaf75c801b4db [2020-12-17 20:41:14,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-17 20:41:14,027 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-17 20:41:14,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-17 20:41:14,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-17 20:41:14,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-17 20:41:14,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 08:41:14" (1/1) ... [2020-12-17 20:41:14,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5553c486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:41:14, skipping insertion in model container [2020-12-17 20:41:14,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 08:41:14" (1/1) ... [2020-12-17 20:41:14,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-17 20:41:14,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-17 20:41:14,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-17 20:41:14,433 INFO L203 MainTranslator]: Completed pre-run [2020-12-17 20:41:14,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-17 20:41:14,583 INFO L208 MainTranslator]: Completed translation [2020-12-17 20:41:14,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:41:14 WrapperNode [2020-12-17 20:41:14,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-17 20:41:14,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-17 20:41:14,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-17 20:41:14,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-17 20:41:14,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:41:14" (1/1) ... [2020-12-17 20:41:14,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:41:14" (1/1) ... [2020-12-17 20:41:14,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-17 20:41:14,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-17 20:41:14,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-17 20:41:14,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-17 20:41:14,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:41:14" (1/1) ... [2020-12-17 20:41:14,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:41:14" (1/1) ... [2020-12-17 20:41:14,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:41:14" (1/1) ... [2020-12-17 20:41:14,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:41:14" (1/1) ... [2020-12-17 20:41:14,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:41:14" (1/1) ... [2020-12-17 20:41:14,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:41:14" (1/1) ... [2020-12-17 20:41:14,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:41:14" (1/1) ... [2020-12-17 20:41:14,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-17 20:41:14,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-17 20:41:14,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-17 20:41:14,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-17 20:41:14,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:41:14" (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 [2020-12-17 20:41:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-17 20:41:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-12-17 20:41:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-12-17 20:41:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-12-17 20:41:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-12-17 20:41:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-17 20:41:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-17 20:41:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-17 20:41:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-17 20:41:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-17 20:41:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-17 20:41:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-17 20:41:14,795 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-17 20:41:15,306 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-17 20:41:15,306 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-17 20:41:15,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 08:41:15 BoogieIcfgContainer [2020-12-17 20:41:15,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-17 20:41:15,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-17 20:41:15,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-17 20:41:15,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-17 20:41:15,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 08:41:14" (1/3) ... [2020-12-17 20:41:15,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c112b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 08:41:15, skipping insertion in model container [2020-12-17 20:41:15,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:41:14" (2/3) ... [2020-12-17 20:41:15,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c112b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 08:41:15, skipping insertion in model container [2020-12-17 20:41:15,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 08:41:15" (3/3) ... [2020-12-17 20:41:15,318 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2020-12-17 20:41:15,335 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-17 20:41:15,335 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-17 20:41:15,339 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-17 20:41:15,341 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-17 20:41:15,378 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,378 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,379 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,379 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,379 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,379 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,379 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,380 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,380 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,380 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,380 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,381 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,381 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,381 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,381 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,381 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,382 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,382 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,382 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,382 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,383 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,383 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,383 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,383 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,384 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,384 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,384 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,384 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,385 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,385 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,385 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,385 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,386 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,386 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,386 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,386 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,387 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,387 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,387 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,387 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,388 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,388 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,388 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,388 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,389 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,389 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,389 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,389 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,390 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,390 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,390 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,390 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,393 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,394 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,394 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,394 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,394 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,394 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,395 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,395 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,401 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,401 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,401 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,402 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,402 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,402 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:41:15,412 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-17 20:41:15,428 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-17 20:41:15,454 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-17 20:41:15,454 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-17 20:41:15,454 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-17 20:41:15,454 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-17 20:41:15,454 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-17 20:41:15,454 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-17 20:41:15,455 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-17 20:41:15,455 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-17 20:41:15,468 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 90 places, 87 transitions, 196 flow [2020-12-17 20:41:15,528 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 755 states, 753 states have (on average 2.3333333333333335) internal successors, (1757), 754 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:41:15,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 755 states, 753 states have (on average 2.3333333333333335) internal successors, (1757), 754 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:41:15,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-17 20:41:15,560 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:41:15,561 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 20:41:15,561 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:41:15,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:41:15,568 INFO L82 PathProgramCache]: Analyzing trace with hash -356926593, now seen corresponding path program 1 times [2020-12-17 20:41:15,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:41:15,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592944395] [2020-12-17 20:41:15,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:41:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:41:16,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:41:16,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592944395] [2020-12-17 20:41:16,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:41:16,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-17 20:41:16,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150897729] [2020-12-17 20:41:16,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-17 20:41:16,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:41:16,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-17 20:41:16,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-17 20:41:16,082 INFO L87 Difference]: Start difference. First operand has 755 states, 753 states have (on average 2.3333333333333335) internal successors, (1757), 754 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:41:16,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:41:16,344 INFO L93 Difference]: Finished difference Result 753 states and 1752 transitions. [2020-12-17 20:41:16,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-17 20:41:16,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2020-12-17 20:41:16,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:41:16,353 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-17 20:41:16,354 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1752 transitions. Word has length 71 [2020-12-17 20:41:16,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:41:16,357 INFO L481 AbstractCegarLoop]: Abstraction has 753 states and 1752 transitions. [2020-12-17 20:41:16,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 20:41:16,358 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1752 transitions. [2020-12-17 20:41:16,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-17 20:41:16,374 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:41:16,374 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 20:41:16,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-17 20:41:16,375 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 20:41:16,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:41:16,377 INFO L82 PathProgramCache]: Analyzing trace with hash -519487877, now seen corresponding path program 1 times [2020-12-17 20:41:16,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:41:16,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291447524] [2020-12-17 20:41:16,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:41:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-17 20:41:16,459 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-17 20:41:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-17 20:41:16,505 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-17 20:41:16,581 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-17 20:41:16,581 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2020-12-17 20:41:16,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-17 20:41:16,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 08:41:16 BasicIcfg [2020-12-17 20:41:16,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-17 20:41:16,724 INFO L168 Benchmark]: Toolchain (without parser) took 2694.15 ms. Allocated memory is still 302.0 MB. Free memory was 277.7 MB in the beginning and 188.3 MB in the end (delta: 89.4 MB). Peak memory consumption was 88.5 MB. Max. memory is 16.0 GB. [2020-12-17 20:41:16,725 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-12-17 20:41:16,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.13 ms. Allocated memory is still 302.0 MB. Free memory was 277.5 MB in the beginning and 248.4 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2020-12-17 20:41:16,729 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.63 ms. Allocated memory is still 302.0 MB. Free memory was 248.4 MB in the beginning and 246.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-17 20:41:16,730 INFO L168 Benchmark]: Boogie Preprocessor took 42.97 ms. Allocated memory is still 302.0 MB. Free memory was 246.5 MB in the beginning and 285.1 MB in the end (delta: -38.5 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. [2020-12-17 20:41:16,732 INFO L168 Benchmark]: RCFGBuilder took 624.82 ms. Allocated memory is still 302.0 MB. Free memory was 285.1 MB in the beginning and 260.6 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2020-12-17 20:41:16,733 INFO L168 Benchmark]: TraceAbstraction took 1408.74 ms. Allocated memory is still 302.0 MB. Free memory was 260.6 MB in the beginning and 188.3 MB in the end (delta: 72.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 16.0 GB. [2020-12-17 20:41:16,743 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 553.13 ms. Allocated memory is still 302.0 MB. Free memory was 277.5 MB in the beginning and 248.4 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 54.63 ms. Allocated memory is still 302.0 MB. Free memory was 248.4 MB in the beginning and 246.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 42.97 ms. Allocated memory is still 302.0 MB. Free memory was 246.5 MB in the beginning and 285.1 MB in the end (delta: -38.5 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. * RCFGBuilder took 624.82 ms. Allocated memory is still 302.0 MB. Free memory was 285.1 MB in the beginning and 260.6 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1408.74 ms. Allocated memory is still 302.0 MB. Free memory was 260.6 MB in the beginning and 188.3 MB in the end (delta: 72.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 20]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L692] 0 pthread_mutex_t ma, mb; VAL [ma={7:0}, mb={9:0}] [L693] 0 int data1, data2; VAL [data1=0, data2=0, ma={7:0}, mb={9:0}] [L716] 0 pthread_t t1, t2; VAL [data1=0, data2=0, ma={7:0}, mb={9:0}] [L719] 0 data1 = 10 VAL [data1=10, data2=0, ma={7:0}, mb={9:0}] [L720] 0 data2 = 10 VAL [data1=10, data2=10, ma={7:0}, mb={9:0}] [L721] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data1=10, data2=10, ma={7:0}, mb={9:0}] [L697] 1 data1++ VAL [arg={0:0}, arg={0:0}, data1=11, data2=10, ma={7:0}, mb={9:0}] [L700] 1 data2++ VAL [arg={0:0}, arg={0:0}, data1=11, data2=11, ma={7:0}, mb={9:0}] [L722] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={7:0}, mb={9:0}] [L707] 2 data1+=5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={7:0}, mb={9:0}] [L710] 2 data2-=6 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L712] 2 return 0; VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L723] 0 \read(t1) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L702] 1 return 0; VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L723] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L724] 0 \read(t2) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L724] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L725] COND TRUE 0 data1==16 && data2==5 VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L20] COND FALSE 0 !(0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L20] 0 __assert_fail ("0", "stateful01-1.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 116 SDtfs, 88 SDslu, 150 SDs, 0 SdLazy, 28 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=755occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 18060 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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...