/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.epf -i ../../../trunk/examples/svcomp/pthread/stateful01-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-20 11:58:52,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-20 11:58:52,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-20 11:58:52,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-20 11:58:52,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-20 11:58:52,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-20 11:58:52,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-20 11:58:52,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-20 11:58:52,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-20 11:58:52,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-20 11:58:52,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-20 11:58:52,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-20 11:58:52,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-20 11:58:52,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-20 11:58:52,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-20 11:58:52,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-20 11:58:52,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-20 11:58:52,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-20 11:58:52,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-20 11:58:52,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-20 11:58:52,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-20 11:58:52,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-20 11:58:52,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-20 11:58:52,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-20 11:58:52,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-20 11:58:52,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-20 11:58:52,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-20 11:58:52,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-20 11:58:52,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-20 11:58:52,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-20 11:58:52,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-20 11:58:52,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-20 11:58:52,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-20 11:58:52,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-20 11:58:52,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-20 11:58:52,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-20 11:58:52,256 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.epf [2021-01-20 11:58:52,312 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-20 11:58:52,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-20 11:58:52,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-20 11:58:52,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-20 11:58:52,317 INFO L138 SettingsManager]: * Use SBE=true [2021-01-20 11:58:52,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-20 11:58:52,318 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-20 11:58:52,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-20 11:58:52,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-20 11:58:52,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-20 11:58:52,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-20 11:58:52,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-20 11:58:52,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-20 11:58:52,320 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-20 11:58:52,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-20 11:58:52,321 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-20 11:58:52,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-20 11:58:52,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-20 11:58:52,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-20 11:58:52,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-20 11:58:52,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-20 11:58:52,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-20 11:58:52,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-20 11:58:52,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-20 11:58:52,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-20 11:58:52,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-20 11:58:52,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-20 11:58:52,323 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-20 11:58:52,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-20 11:58:52,324 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-20 11:58:52,324 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-20 11:58:52,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-20 11:58:52,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-20 11:58:52,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-20 11:58:52,772 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-20 11:58:52,773 INFO L275 PluginConnector]: CDTParser initialized [2021-01-20 11:58:52,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-1.i [2021-01-20 11:58:52,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3d251cfc/f85af5affba04507aef3718c428cb848/FLAG4f026250a [2021-01-20 11:58:53,502 INFO L306 CDTParser]: Found 1 translation units. [2021-01-20 11:58:53,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i [2021-01-20 11:58:53,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3d251cfc/f85af5affba04507aef3718c428cb848/FLAG4f026250a [2021-01-20 11:58:53,822 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3d251cfc/f85af5affba04507aef3718c428cb848 [2021-01-20 11:58:53,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-20 11:58:53,830 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-20 11:58:53,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-20 11:58:53,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-20 11:58:53,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-20 11:58:53,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 11:58:53" (1/1) ... [2021-01-20 11:58:53,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12728b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:53, skipping insertion in model container [2021-01-20 11:58:53,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 11:58:53" (1/1) ... [2021-01-20 11:58:53,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-20 11:58:53,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-20 11:58:54,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 11:58:54,341 INFO L203 MainTranslator]: Completed pre-run [2021-01-20 11:58:54,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 11:58:54,562 INFO L208 MainTranslator]: Completed translation [2021-01-20 11:58:54,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:54 WrapperNode [2021-01-20 11:58:54,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-20 11:58:54,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-20 11:58:54,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-20 11:58:54,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-20 11:58:54,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:54" (1/1) ... [2021-01-20 11:58:54,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:54" (1/1) ... [2021-01-20 11:58:54,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-20 11:58:54,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-20 11:58:54,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-20 11:58:54,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-20 11:58:54,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:54" (1/1) ... [2021-01-20 11:58:54,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:54" (1/1) ... [2021-01-20 11:58:54,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:54" (1/1) ... [2021-01-20 11:58:54,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:54" (1/1) ... [2021-01-20 11:58:54,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:54" (1/1) ... [2021-01-20 11:58:54,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:54" (1/1) ... [2021-01-20 11:58:54,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:54" (1/1) ... [2021-01-20 11:58:54,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-20 11:58:54,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-20 11:58:54,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-20 11:58:54,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-20 11:58:54,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:54" (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 [2021-01-20 11:58:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-20 11:58:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-01-20 11:58:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-01-20 11:58:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-01-20 11:58:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-01-20 11:58:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-20 11:58:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-20 11:58:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-20 11:58:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-20 11:58:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-20 11:58:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-20 11:58:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-20 11:58:54,812 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-20 11:58:55,356 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-20 11:58:55,356 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2021-01-20 11:58:55,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 11:58:55 BoogieIcfgContainer [2021-01-20 11:58:55,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-20 11:58:55,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-20 11:58:55,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-20 11:58:55,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-20 11:58:55,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 11:58:53" (1/3) ... [2021-01-20 11:58:55,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6adbf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 11:58:55, skipping insertion in model container [2021-01-20 11:58:55,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:54" (2/3) ... [2021-01-20 11:58:55,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6adbf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 11:58:55, skipping insertion in model container [2021-01-20 11:58:55,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 11:58:55" (3/3) ... [2021-01-20 11:58:55,369 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2021-01-20 11:58:55,384 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-20 11:58:55,385 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-20 11:58:55,388 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-20 11:58:55,389 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-20 11:58:55,439 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,439 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,439 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,439 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,440 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,440 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,440 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,440 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,441 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,441 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,441 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,441 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,442 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,442 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,442 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,442 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,443 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,443 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,443 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,449 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,449 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,449 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,450 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,450 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,450 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,450 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,451 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,452 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,452 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,452 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,453 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,453 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,455 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,455 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,455 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,455 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,456 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,456 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,456 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,457 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,458 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,458 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,459 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,460 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,461 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,461 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,461 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,462 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,462 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,462 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,462 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,463 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,466 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,466 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,466 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,466 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,467 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,467 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,467 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,467 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,478 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,478 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,479 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,480 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,481 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,481 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:55,496 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-01-20 11:58:55,509 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-20 11:58:55,538 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 11:58:55,538 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 11:58:55,538 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 11:58:55,539 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 11:58:55,539 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 11:58:55,539 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 11:58:55,539 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 11:58:55,539 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 11:58:55,551 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 90 places, 87 transitions, 196 flow [2021-01-20 11:58:55,602 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) [2021-01-20 11:58:55,607 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) [2021-01-20 11:58:55,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-20 11:58:55,630 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 11:58:55,631 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] [2021-01-20 11:58:55,632 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 11:58:55,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 11:58:55,638 INFO L82 PathProgramCache]: Analyzing trace with hash -356926593, now seen corresponding path program 1 times [2021-01-20 11:58:55,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 11:58:55,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557282924] [2021-01-20 11:58:55,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 11:58:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 11:58:56,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 11:58:56,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557282924] [2021-01-20 11:58:56,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 11:58:56,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-20 11:58:56,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369529484] [2021-01-20 11:58:56,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-20 11:58:56,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 11:58:56,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-20 11:58:56,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-20 11:58:56,106 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) [2021-01-20 11:58:56,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 11:58:56,245 INFO L93 Difference]: Finished difference Result 753 states and 1752 transitions. [2021-01-20 11:58:56,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-20 11:58:56,247 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 [2021-01-20 11:58:56,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 11:58:56,268 INFO L225 Difference]: With dead ends: 753 [2021-01-20 11:58:56,268 INFO L226 Difference]: Without dead ends: 697 [2021-01-20 11:58:56,270 INFO L769 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 [2021-01-20 11:58:56,270 INFO L78 Accepts]: Start accepts. Automaton has 697 states. Word has length 71 [2021-01-20 11:58:56,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 11:58:56,272 INFO L481 AbstractCegarLoop]: Abstraction has 697 states. [2021-01-20 11:58:56,272 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) [2021-01-20 11:58:56,272 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states. [2021-01-20 11:58:56,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-20 11:58:56,280 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 11:58:56,281 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] [2021-01-20 11:58:56,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-20 11:58:56,281 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 11:58:56,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 11:58:56,282 INFO L82 PathProgramCache]: Analyzing trace with hash -519487877, now seen corresponding path program 1 times [2021-01-20 11:58:56,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 11:58:56,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917124703] [2021-01-20 11:58:56,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 11:58:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-20 11:58:56,346 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-20 11:58:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-20 11:58:56,412 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-20 11:58:56,451 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-20 11:58:56,451 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-20 11:58:56,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-20 11:58:56,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 11:58:56 BasicIcfg [2021-01-20 11:58:56,547 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-20 11:58:56,552 INFO L168 Benchmark]: Toolchain (without parser) took 2720.30 ms. Allocated memory is still 302.0 MB. Free memory was 276.1 MB in the beginning and 183.2 MB in the end (delta: 92.9 MB). Peak memory consumption was 91.4 MB. Max. memory is 16.0 GB. [2021-01-20 11:58:56,556 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 302.0 MB. Free memory was 272.1 MB in the beginning and 272.0 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-20 11:58:56,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.65 ms. Allocated memory is still 302.0 MB. Free memory was 275.9 MB in the beginning and 283.8 MB in the end (delta: -7.9 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.0 GB. [2021-01-20 11:58:56,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.55 ms. Allocated memory is still 302.0 MB. Free memory was 283.8 MB in the beginning and 281.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 11:58:56,560 INFO L168 Benchmark]: Boogie Preprocessor took 55.68 ms. Allocated memory is still 302.0 MB. Free memory was 281.8 MB in the beginning and 280.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 11:58:56,561 INFO L168 Benchmark]: RCFGBuilder took 639.61 ms. Allocated memory is still 302.0 MB. Free memory was 280.7 MB in the beginning and 255.5 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-01-20 11:58:56,562 INFO L168 Benchmark]: TraceAbstraction took 1184.09 ms. Allocated memory is still 302.0 MB. Free memory was 255.5 MB in the beginning and 183.2 MB in the end (delta: 72.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 16.0 GB. [2021-01-20 11:58:56,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 302.0 MB. Free memory was 272.1 MB in the beginning and 272.0 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 729.65 ms. Allocated memory is still 302.0 MB. Free memory was 275.9 MB in the beginning and 283.8 MB in the end (delta: -7.9 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 91.55 ms. Allocated memory is still 302.0 MB. Free memory was 283.8 MB in the beginning and 281.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 55.68 ms. Allocated memory is still 302.0 MB. Free memory was 281.8 MB in the beginning and 280.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 639.61 ms. Allocated memory is still 302.0 MB. Free memory was 280.7 MB in the beginning and 255.5 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1184.09 ms. Allocated memory is still 302.0 MB. Free memory was 255.5 MB in the beginning and 183.2 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, 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, 0.0s 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...