/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 23:12:26,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 23:12:26,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 23:12:26,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 23:12:26,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 23:12:26,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 23:12:26,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 23:12:26,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 23:12:26,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 23:12:26,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 23:12:26,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 23:12:26,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 23:12:26,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 23:12:26,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 23:12:26,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 23:12:26,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 23:12:26,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 23:12:26,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 23:12:26,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 23:12:26,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 23:12:26,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 23:12:26,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 23:12:26,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 23:12:26,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 23:12:26,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 23:12:26,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 23:12:26,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 23:12:26,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 23:12:26,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 23:12:26,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 23:12:26,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 23:12:26,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 23:12:26,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 23:12:26,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 23:12:26,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 23:12:26,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 23:12:26,344 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-VariableLbe.epf [2019-12-18 23:12:26,363 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 23:12:26,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 23:12:26,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 23:12:26,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 23:12:26,367 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 23:12:26,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 23:12:26,367 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 23:12:26,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 23:12:26,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 23:12:26,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 23:12:26,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 23:12:26,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 23:12:26,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 23:12:26,370 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 23:12:26,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 23:12:26,370 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 23:12:26,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 23:12:26,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 23:12:26,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 23:12:26,371 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 23:12:26,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 23:12:26,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 23:12:26,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 23:12:26,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 23:12:26,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 23:12:26,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 23:12:26,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 23:12:26,373 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-18 23:12:26,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 23:12:26,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 23:12:26,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 23:12:26,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 23:12:26,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 23:12:26,689 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 23:12:26,690 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 23:12:26,691 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i [2019-12-18 23:12:26,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80a943bda/404fc0dba22540869964fdd6663fbf84/FLAG154059106 [2019-12-18 23:12:27,392 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 23:12:27,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i [2019-12-18 23:12:27,412 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80a943bda/404fc0dba22540869964fdd6663fbf84/FLAG154059106 [2019-12-18 23:12:27,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80a943bda/404fc0dba22540869964fdd6663fbf84 [2019-12-18 23:12:27,641 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 23:12:27,644 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 23:12:27,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 23:12:27,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 23:12:27,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 23:12:27,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:12:27" (1/1) ... [2019-12-18 23:12:27,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7006cadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:27, skipping insertion in model container [2019-12-18 23:12:27,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:12:27" (1/1) ... [2019-12-18 23:12:27,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 23:12:27,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 23:12:28,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:12:28,547 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 23:12:28,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:12:29,076 INFO L208 MainTranslator]: Completed translation [2019-12-18 23:12:29,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29 WrapperNode [2019-12-18 23:12:29,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 23:12:29,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 23:12:29,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 23:12:29,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 23:12:29,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2019-12-18 23:12:29,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2019-12-18 23:12:29,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 23:12:29,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 23:12:29,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 23:12:29,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 23:12:29,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2019-12-18 23:12:29,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2019-12-18 23:12:29,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2019-12-18 23:12:29,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2019-12-18 23:12:29,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2019-12-18 23:12:29,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2019-12-18 23:12:29,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2019-12-18 23:12:29,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 23:12:29,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 23:12:29,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 23:12:29,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 23:12:29,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (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 [2019-12-18 23:12:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 23:12:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-18 23:12:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-18 23:12:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-18 23:12:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 23:12:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 23:12:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 23:12:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-18 23:12:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-18 23:12:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 23:12:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-18 23:12:29,303 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 23:12:29,951 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 23:12:29,951 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-18 23:12:29,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:12:29 BoogieIcfgContainer [2019-12-18 23:12:29,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 23:12:29,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 23:12:29,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 23:12:29,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 23:12:29,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:12:27" (1/3) ... [2019-12-18 23:12:29,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656a2db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:12:29, skipping insertion in model container [2019-12-18 23:12:29,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (2/3) ... [2019-12-18 23:12:29,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656a2db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:12:29, skipping insertion in model container [2019-12-18 23:12:29,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:12:29" (3/3) ... [2019-12-18 23:12:29,961 INFO L109 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2019-12-18 23:12:29,971 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 23:12:29,971 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 23:12:29,979 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-12-18 23:12:29,980 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 23:12:30,006 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:30,007 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:30,007 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:30,007 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:30,008 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:30,008 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:30,009 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:30,010 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:30,014 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:30,015 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:30,015 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:30,015 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:30,016 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:30,044 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 23:12:30,059 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:12:30,060 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:12:30,060 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:12:30,060 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:12:30,060 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:12:30,060 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:12:30,060 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:12:30,060 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:12:30,074 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 85 transitions [2019-12-18 23:12:30,076 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions [2019-12-18 23:12:30,121 INFO L126 PetriNetUnfolder]: 6/104 cut-off events. [2019-12-18 23:12:30,121 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 23:12:30,128 INFO L76 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 104 events. 6/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 160 event pairs. 7/98 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2019-12-18 23:12:30,131 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions [2019-12-18 23:12:30,154 INFO L126 PetriNetUnfolder]: 6/104 cut-off events. [2019-12-18 23:12:30,155 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 23:12:30,156 INFO L76 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 104 events. 6/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 160 event pairs. 7/98 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2019-12-18 23:12:30,158 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 308 [2019-12-18 23:12:30,160 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 23:12:32,146 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-12-18 23:12:33,229 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-12-18 23:12:33,354 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-12-18 23:12:33,843 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-12-18 23:12:34,139 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-12-18 23:12:34,279 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-12-18 23:12:34,283 INFO L206 etLargeBlockEncoding]: Checked pairs total: 254 [2019-12-18 23:12:34,283 INFO L214 etLargeBlockEncoding]: Total number of compositions: 97 [2019-12-18 23:12:34,290 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 16 transitions [2019-12-18 23:12:34,296 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 26 states. [2019-12-18 23:12:34,298 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-12-18 23:12:34,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-12-18 23:12:34,303 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:12:34,304 INFO L411 BasicCegarLoop]: trace histogram [1] [2019-12-18 23:12:34,304 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:12:34,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:12:34,309 INFO L82 PathProgramCache]: Analyzing trace with hash 335, now seen corresponding path program 1 times [2019-12-18 23:12:34,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:12:34,317 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339494802] [2019-12-18 23:12:34,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:12:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:12:34,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:12:34,598 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339494802] [2019-12-18 23:12:34,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:12:34,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2019-12-18 23:12:34,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581698381] [2019-12-18 23:12:34,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-18 23:12:34,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:12:34,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-18 23:12:34,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-18 23:12:34,631 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2019-12-18 23:12:34,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:12:34,647 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2019-12-18 23:12:34,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-18 23:12:34,649 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2019-12-18 23:12:34,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:12:34,659 INFO L225 Difference]: With dead ends: 23 [2019-12-18 23:12:34,659 INFO L226 Difference]: Without dead ends: 13 [2019-12-18 23:12:34,660 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-18 23:12:34,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-12-18 23:12:34,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-12-18 23:12:34,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-18 23:12:34,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2019-12-18 23:12:34,722 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 1 [2019-12-18 23:12:34,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:12:34,723 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2019-12-18 23:12:34,723 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-18 23:12:34,723 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2019-12-18 23:12:34,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-18 23:12:34,724 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:12:34,724 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-18 23:12:34,724 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:12:34,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:12:34,725 INFO L82 PathProgramCache]: Analyzing trace with hash 338894, now seen corresponding path program 1 times [2019-12-18 23:12:34,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:12:34,726 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092408997] [2019-12-18 23:12:34,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:12:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:12:34,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:12:34,864 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092408997] [2019-12-18 23:12:34,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:12:34,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 23:12:34,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381545450] [2019-12-18 23:12:34,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:12:34,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:12:34,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:12:34,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:12:34,867 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 3 states. [2019-12-18 23:12:34,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:12:34,883 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-12-18 23:12:34,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:12:34,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-18 23:12:34,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:12:34,885 INFO L225 Difference]: With dead ends: 11 [2019-12-18 23:12:34,885 INFO L226 Difference]: Without dead ends: 10 [2019-12-18 23:12:34,886 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:12:34,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-12-18 23:12:34,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-12-18 23:12:34,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-12-18 23:12:34,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2019-12-18 23:12:34,889 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 3 [2019-12-18 23:12:34,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:12:34,889 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2019-12-18 23:12:34,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:12:34,889 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2019-12-18 23:12:34,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-18 23:12:34,890 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:12:34,890 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-18 23:12:34,890 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:12:34,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:12:34,891 INFO L82 PathProgramCache]: Analyzing trace with hash 324263164, now seen corresponding path program 1 times [2019-12-18 23:12:34,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:12:34,891 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116543352] [2019-12-18 23:12:34,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:12:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:12:34,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:12:34,947 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116543352] [2019-12-18 23:12:34,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:12:34,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 23:12:34,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666637172] [2019-12-18 23:12:34,948 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:12:34,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:12:34,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:12:34,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:12:34,949 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand 3 states. [2019-12-18 23:12:34,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:12:34,965 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2019-12-18 23:12:34,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:12:34,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-18 23:12:34,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:12:34,966 INFO L225 Difference]: With dead ends: 10 [2019-12-18 23:12:34,967 INFO L226 Difference]: Without dead ends: 7 [2019-12-18 23:12:34,967 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:12:34,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-12-18 23:12:34,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-12-18 23:12:34,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-18 23:12:34,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2019-12-18 23:12:34,969 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 5 [2019-12-18 23:12:34,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:12:34,970 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2019-12-18 23:12:34,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:12:34,970 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2019-12-18 23:12:34,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-18 23:12:34,970 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:12:34,971 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-18 23:12:34,971 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:12:34,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:12:34,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1462223649, now seen corresponding path program 1 times [2019-12-18 23:12:34,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:12:34,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745035882] [2019-12-18 23:12:34,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:12:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:12:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:12:35,051 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 23:12:35,051 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 23:12:35,055 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [313] [313] ULTIMATE.startENTRY-->L1697-1: Formula: (let ((.cse3 (store |v_#valid_56| 0 0))) (let ((.cse0 (select |v_#memory_int_43| |v_~#mutex~0.base_34|)) (.cse1 (store .cse3 |v_~#t1~0.base_18| 1)) (.cse2 (select |v_#memory_int_43| |v_~#t1~0.base_18|))) (and (= v_ULTIMATE.start_ldv_assert_~expression_74 |v_ULTIMATE.start_ldv_assert_#in~expression_51|) (= (select .cse0 |v_~#mutex~0.offset_34|) 0) (= |v_~#t1~0.offset_18| 0) (= |v_#NULL.base_11| 0) (= 0 (select .cse0 (+ |v_~#mutex~0.offset_34| 8))) (= 0 (select .cse1 |v_~#mutex~0.base_34|)) (= 1 v_~pdev~0_62) (= 0 (select .cse0 (+ |v_~#mutex~0.offset_34| 4))) (= |v_#pthreadsMutex_38| (store |v_#pthreadsMutex_39| |v_~#mutex~0.base_34| (store (select |v_#pthreadsMutex_39| |v_~#mutex~0.base_34|) |v_~#mutex~0.offset_34| 0))) (= 0 (select .cse0 (+ |v_~#mutex~0.offset_34| 12))) (< 0 |v_#StackHeapBarrier_20|) (= (store |v_#memory_int_43| |v_~#t1~0.base_18| (store .cse2 |v_~#t1~0.offset_18| 0)) |v_#memory_int_42|) (= 0 |v_~#mutex~0.offset_34|) (< |v_#StackHeapBarrier_20| |v_~#t1~0.base_18|) (= 1 |v_ULTIMATE.start_ldv_assert_#in~expression_51|) (= 0 (select .cse0 (+ |v_~#mutex~0.offset_34| 16))) (= 0 |v_#NULL.offset_11|) (= (select .cse3 |v_~#t1~0.base_18|) 0) (= (store |v_#memory_$Pointer$.offset_19| |v_~#t1~0.base_18| (store (select |v_#memory_$Pointer$.offset_19| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18| (select (select |v_#memory_$Pointer$.offset_18| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18|))) |v_#memory_$Pointer$.offset_18|) (< |v_#StackHeapBarrier_20| |v_~#mutex~0.base_34|) (= (store .cse1 |v_~#mutex~0.base_34| 1) |v_#valid_55|) (= |v_#length_34| (store (store |v_#length_35| |v_~#t1~0.base_18| 4) |v_~#mutex~0.base_34| 24)) (= |v_#memory_$Pointer$.base_18| (store |v_#memory_$Pointer$.base_19| |v_~#t1~0.base_18| (store (select |v_#memory_$Pointer$.base_19| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18| (select (select |v_#memory_$Pointer$.base_18| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18|)))) (= 0 (select .cse2 |v_~#t1~0.offset_18|))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_39|, #StackHeapBarrier=|v_#StackHeapBarrier_20|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_19|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_43|, #length=|v_#length_35|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_19|} OutVars{ULTIMATE.start_module_init_#res=|v_ULTIMATE.start_module_init_#res_27|, #pthreadsMutex=|v_#pthreadsMutex_38|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_18|, ~#mutex~0.base=|v_~#mutex~0.base_34|, ~#mutex~0.offset=|v_~#mutex~0.offset_34|, #NULL.offset=|v_#NULL.offset_11|, ~#t1~0.offset=|v_~#t1~0.offset_18|, ULTIMATE.start_module_init_#t~nondet31=|v_ULTIMATE.start_module_init_#t~nondet31_40|, ULTIMATE.start_module_init_#t~nondet32=|v_ULTIMATE.start_module_init_#t~nondet32_19|, ULTIMATE.start_ldv_assert_#in~expression=|v_ULTIMATE.start_ldv_assert_#in~expression_51|, ULTIMATE.start_ldv_assert_~expression=v_ULTIMATE.start_ldv_assert_~expression_74, #NULL.base=|v_#NULL.base_11|, #StackHeapBarrier=|v_#StackHeapBarrier_20|, ~#t1~0.base=|v_~#t1~0.base_18|, ULTIMATE.start_main_#t~ret35=|v_ULTIMATE.start_main_#t~ret35_37|, ~pdev~0=v_~pdev~0_62, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_21|, #valid=|v_#valid_55|, #memory_int=|v_#memory_int_42|, #length=|v_#length_34|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_18|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res, #pthreadsMutex, #memory_$Pointer$.base, ~#mutex~0.base, ~#mutex~0.offset, #NULL.offset, ~#t1~0.offset, ULTIMATE.start_module_init_#t~nondet31, ULTIMATE.start_module_init_#t~nondet32, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression, #NULL.base, ~#t1~0.base, ULTIMATE.start_main_#t~ret35, ~pdev~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, #memory_$Pointer$.offset] because there is no mapped edge [2019-12-18 23:12:35,056 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [288] [288] L1697-2-->L1715-3: Formula: (and (= |v_ULTIMATE.start_module_init_#res_13| 0) (= |v_ULTIMATE.start_main_#t~ret35_21| |v_ULTIMATE.start_module_init_#res_13|)) InVars {} OutVars{ULTIMATE.start_module_init_#res=|v_ULTIMATE.start_module_init_#res_13|, ULTIMATE.start_main_#t~ret35=|v_ULTIMATE.start_main_#t~ret35_21|, ULTIMATE.start_module_init_#t~nondet32=|v_ULTIMATE.start_module_init_#t~nondet32_10|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res, ULTIMATE.start_main_#t~ret35, ULTIMATE.start_module_init_#t~nondet32] because there is no mapped edge [2019-12-18 23:12:35,056 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [290] [290] L1715-3-->L1708: Formula: (and (= 0 |v_ULTIMATE.start_module_exit_~#status~0.offset_14|) (not (= 0 |v_ULTIMATE.start_module_exit_~#status~0.base_18|)) (= 0 (select |v_#valid_36| |v_ULTIMATE.start_module_exit_~#status~0.base_18|)) (= 4 v_~pdev~0_39) (= (store |v_#valid_36| |v_ULTIMATE.start_module_exit_~#status~0.base_18| 1) |v_#valid_35|) (= |v_#length_18| (store |v_#length_19| |v_ULTIMATE.start_module_exit_~#status~0.base_18| 4)) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_module_exit_~#status~0.base_18|) (= |v_ULTIMATE.start_main_#t~ret35_24| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_#t~ret35=|v_ULTIMATE.start_main_#t~ret35_24|, #valid=|v_#valid_36|, #length=|v_#length_19|} OutVars{ULTIMATE.start_module_exit_~#status~0.base=|v_ULTIMATE.start_module_exit_~#status~0.base_18|, ULTIMATE.start_module_exit_#t~mem33=|v_ULTIMATE.start_module_exit_#t~mem33_12|, ULTIMATE.start_module_exit_#t~nondet34.base=|v_ULTIMATE.start_module_exit_#t~nondet34.base_11|, #StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_#t~ret35=|v_ULTIMATE.start_main_#t~ret35_23|, ~pdev~0=v_~pdev~0_39, ULTIMATE.start_module_exit_#t~nondet34.offset=|v_ULTIMATE.start_module_exit_#t~nondet34.offset_11|, #valid=|v_#valid_35|, ULTIMATE.start_module_exit_~#status~0.offset=|v_ULTIMATE.start_module_exit_~#status~0.offset_14|, #length=|v_#length_18|} AuxVars[] AssignedVars[ULTIMATE.start_module_exit_~#status~0.base, ULTIMATE.start_module_exit_#t~mem33, ULTIMATE.start_module_exit_#t~nondet34.base, ULTIMATE.start_main_#t~ret35, ~pdev~0, ULTIMATE.start_module_exit_#t~nondet34.offset, #valid, ULTIMATE.start_module_exit_~#status~0.offset, #length] because there is no mapped edge [2019-12-18 23:12:35,056 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [277] [277] thread1ENTRY-->thread1EXIT: Formula: (let ((.cse0 (select |v_#pthreadsMutex_19| |v_~#mutex~0.base_20|))) (and (= |v_thread1Thread1of1ForFork0_#in~arg.base_6| v_thread1Thread1of1ForFork0_~arg.base_6) (= 0 (select .cse0 |v_~#mutex~0.offset_20|)) (= |v_thread1Thread1of1ForFork0_#res.offset_8| 0) (= |v_thread1Thread1of1ForFork0_#res.base_8| 0) (= |v_thread1Thread1of1ForFork0_#in~arg.offset_6| v_thread1Thread1of1ForFork0_~arg.offset_6) (= 6 v_~pdev~0_30) (= (store |v_#pthreadsMutex_19| |v_~#mutex~0.base_20| (store .cse0 |v_~#mutex~0.offset_20| 0)) |v_#pthreadsMutex_17|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_19|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_6|, ~#mutex~0.base=|v_~#mutex~0.base_20|, ~#mutex~0.offset=|v_~#mutex~0.offset_20|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_6|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_17|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_8|, ~#mutex~0.base=|v_~#mutex~0.base_20|, ~pdev~0=v_~pdev~0_30, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_6, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_6, ~#mutex~0.offset=|v_~#mutex~0.offset_20|, thread1Thread1of1ForFork0_#t~nondet30=|v_thread1Thread1of1ForFork0_#t~nondet30_9|, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_8|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_6|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_#res.base, ~pdev~0, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base, thread1Thread1of1ForFork0_#t~nondet30, thread1Thread1of1ForFork0_#res.offset] because there is no mapped edge [2019-12-18 23:12:35,057 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [281] [281] L1708-->ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start_ldv_assert_~expression_49 |v_ULTIMATE.start_ldv_assert_#in~expression_27|) (= v_ULTIMATE.start_ldv_assert_~expression_49 0) (not (= 4 v_~pdev~0_32))) InVars {~pdev~0=v_~pdev~0_32} OutVars{~pdev~0=v_~pdev~0_32, ULTIMATE.start_ldv_assert_#in~expression=|v_ULTIMATE.start_ldv_assert_#in~expression_27|, ULTIMATE.start_ldv_assert_~expression=v_ULTIMATE.start_ldv_assert_~expression_49} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2019-12-18 23:12:35,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 11:12:35 BasicIcfg [2019-12-18 23:12:35,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 23:12:35,073 INFO L168 Benchmark]: Toolchain (without parser) took 7429.68 ms. Allocated memory was 143.1 MB in the beginning and 289.9 MB in the end (delta: 146.8 MB). Free memory was 98.0 MB in the beginning and 186.0 MB in the end (delta: -88.0 MB). Peak memory consumption was 58.8 MB. Max. memory is 7.1 GB. [2019-12-18 23:12:35,074 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-18 23:12:35,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1433.60 ms. Allocated memory was 143.1 MB in the beginning and 231.2 MB in the end (delta: 88.1 MB). Free memory was 97.6 MB in the beginning and 168.7 MB in the end (delta: -71.2 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. [2019-12-18 23:12:35,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.43 ms. Allocated memory is still 231.2 MB. Free memory was 168.7 MB in the beginning and 165.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-12-18 23:12:35,076 INFO L168 Benchmark]: Boogie Preprocessor took 51.55 ms. Allocated memory is still 231.2 MB. Free memory was 165.8 MB in the beginning and 162.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-12-18 23:12:35,077 INFO L168 Benchmark]: RCFGBuilder took 727.33 ms. Allocated memory is still 231.2 MB. Free memory was 162.9 MB in the beginning and 125.5 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2019-12-18 23:12:35,078 INFO L168 Benchmark]: TraceAbstraction took 5117.54 ms. Allocated memory was 231.2 MB in the beginning and 289.9 MB in the end (delta: 58.7 MB). Free memory was 125.5 MB in the beginning and 186.0 MB in the end (delta: -60.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-18 23:12:35,084 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1433.60 ms. Allocated memory was 143.1 MB in the beginning and 231.2 MB in the end (delta: 88.1 MB). Free memory was 97.6 MB in the beginning and 168.7 MB in the end (delta: -71.2 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 94.43 ms. Allocated memory is still 231.2 MB. Free memory was 168.7 MB in the beginning and 165.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.55 ms. Allocated memory is still 231.2 MB. Free memory was 165.8 MB in the beginning and 162.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 727.33 ms. Allocated memory is still 231.2 MB. Free memory was 162.9 MB in the beginning and 125.5 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5117.54 ms. Allocated memory was 231.2 MB in the beginning and 289.9 MB in the end (delta: 58.7 MB). Free memory was 125.5 MB in the beginning and 186.0 MB in the end (delta: -60.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.2s, 83 ProgramPointsBefore, 17 ProgramPointsAfterwards, 85 TransitionsBefore, 16 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 8 FixpointIterations, 64 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 6 ConcurrentYvCompositions, 4 ChoiceCompositions, 157 VarBasedMoverChecksPositive, 7 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 254 CheckedPairsTotal, 97 TotalNumberOfCompositions - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1697] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={3:0}, pdev=1, t1={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 80 locations, 4 error locations. Result: UNSAFE, OverallTime: 4.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 26 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...