/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/pthread/fib_bench-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 23:04:04,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 23:04:04,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 23:04:04,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-16 23:04:04,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 23:04:04,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 23:04:04,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 23:04:04,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 23:04:04,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 23:04:04,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 23:04:04,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 23:04:04,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 23:04:04,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 23:04:04,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 23:04:04,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 23:04:04,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 23:04:04,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-16 23:04:04,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 23:04:04,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 23:04:04,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 23:04:04,520 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-PN-NoLbe.epf [2021-10-16 23:04:04,556 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 23:04:04,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 23:04:04,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 23:04:04,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 23:04:04,558 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 23:04:04,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 23:04:04,558 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 23:04:04,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 23:04:04,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 23:04:04,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 23:04:04,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 23:04:04,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 23:04:04,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 23:04:04,561 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 23:04:04,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 23:04:04,562 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 23:04:04,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 23:04:04,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 23:04:04,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 23:04:04,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 23:04:04,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 23:04:04,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:04:04,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 23:04:04,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 23:04:04,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 23:04:04,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 23:04:04,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 23:04:04,564 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 23:04:04,564 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-16 23:04:04,564 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 23:04:04,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 23:04:04,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 23:04:04,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 23:04:04,820 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 23:04:04,821 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 23:04:04,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_bench-2.i [2021-10-16 23:04:04,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ceab6cb0/0b6be0a952f4495da07d911f1131b441/FLAG693a2af0d [2021-10-16 23:04:05,277 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 23:04:05,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench-2.i [2021-10-16 23:04:05,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ceab6cb0/0b6be0a952f4495da07d911f1131b441/FLAG693a2af0d [2021-10-16 23:04:05,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ceab6cb0/0b6be0a952f4495da07d911f1131b441 [2021-10-16 23:04:05,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 23:04:05,320 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 23:04:05,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 23:04:05,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 23:04:05,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 23:04:05,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:04:05" (1/1) ... [2021-10-16 23:04:05,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a93c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:05, skipping insertion in model container [2021-10-16 23:04:05,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:04:05" (1/1) ... [2021-10-16 23:04:05,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 23:04:05,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 23:04:05,740 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench-2.i[30922,30935] [2021-10-16 23:04:05,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:04:05,750 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 23:04:05,787 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench-2.i[30922,30935] [2021-10-16 23:04:05,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:04:05,827 INFO L208 MainTranslator]: Completed translation [2021-10-16 23:04:05,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:05 WrapperNode [2021-10-16 23:04:05,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 23:04:05,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 23:04:05,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 23:04:05,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 23:04:05,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:05" (1/1) ... [2021-10-16 23:04:05,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:05" (1/1) ... [2021-10-16 23:04:05,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 23:04:05,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 23:04:05,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 23:04:05,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 23:04:05,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:05" (1/1) ... [2021-10-16 23:04:05,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:05" (1/1) ... [2021-10-16 23:04:05,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:05" (1/1) ... [2021-10-16 23:04:05,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:05" (1/1) ... [2021-10-16 23:04:05,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:05" (1/1) ... [2021-10-16 23:04:05,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:05" (1/1) ... [2021-10-16 23:04:05,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:05" (1/1) ... [2021-10-16 23:04:05,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 23:04:05,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 23:04:05,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 23:04:05,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 23:04:05,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:05" (1/1) ... [2021-10-16 23:04:05,936 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:04:05,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 23:04:05,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 23:04:05,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 23:04:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-10-16 23:04:05,998 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-10-16 23:04:05,998 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-10-16 23:04:05,999 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-10-16 23:04:05,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 23:04:05,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-16 23:04:05,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 23:04:05,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 23:04:05,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 23:04:06,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-16 23:04:06,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 23:04:06,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 23:04:06,001 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 23:04:06,431 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 23:04:06,432 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-16 23:04:06,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:04:06 BoogieIcfgContainer [2021-10-16 23:04:06,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 23:04:06,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 23:04:06,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 23:04:06,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 23:04:06,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:04:05" (1/3) ... [2021-10-16 23:04:06,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a052303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:04:06, skipping insertion in model container [2021-10-16 23:04:06,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:04:05" (2/3) ... [2021-10-16 23:04:06,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a052303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:04:06, skipping insertion in model container [2021-10-16 23:04:06,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:04:06" (3/3) ... [2021-10-16 23:04:06,440 INFO L111 eAbstractionObserver]: Analyzing ICFG fib_bench-2.i [2021-10-16 23:04:06,444 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 23:04:06,445 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-16 23:04:06,445 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 23:04:06,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,473 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,473 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,474 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,474 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,474 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,474 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,474 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,475 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,475 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,475 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,475 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,475 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,479 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,479 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,479 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,479 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,479 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,479 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,479 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,480 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,480 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,480 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,480 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,481 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,481 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,481 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,481 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,481 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,481 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,482 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,482 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,483 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,483 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,483 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,483 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,483 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,483 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,483 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,483 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,484 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,484 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,484 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,484 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,484 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,484 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,484 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,485 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,485 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,485 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,485 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,485 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,487 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,488 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,488 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,488 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,489 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,489 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,497 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,497 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,497 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,498 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,498 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,498 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,498 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,498 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,499 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,503 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,503 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,503 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,504 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,505 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,505 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,507 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,508 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,508 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:04:06,514 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-16 23:04:06,562 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 23:04:06,575 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 23:04:06,575 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-16 23:04:06,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 69 transitions, 148 flow [2021-10-16 23:04:06,617 INFO L129 PetriNetUnfolder]: 5/67 cut-off events. [2021-10-16 23:04:06,617 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:04:06,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 67 events. 5/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 84 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-10-16 23:04:06,621 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 69 transitions, 148 flow [2021-10-16 23:04:06,624 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 67 transitions, 140 flow [2021-10-16 23:04:06,632 INFO L129 PetriNetUnfolder]: 1/32 cut-off events. [2021-10-16 23:04:06,632 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:04:06,632 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:04:06,633 INFO L254 CegarLoopForPetriNet]: 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] [2021-10-16 23:04:06,633 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONDATA_RACE, t2Err0ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-16 23:04:06,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:04:06,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1234334953, now seen corresponding path program 1 times [2021-10-16 23:04:06,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:04:06,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679787766] [2021-10-16 23:04:06,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:04:06,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:04:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:04:06,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:04:06,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:04:06,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679787766] [2021-10-16 23:04:06,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679787766] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:04:06,894 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:04:06,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-16 23:04:06,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527932207] [2021-10-16 23:04:06,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 23:04:06,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:04:06,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 23:04:06,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 23:04:06,919 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 69 [2021-10-16 23:04:06,923 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 67 transitions, 140 flow. Second operand has 2 states, 2 states have (on average 63.5) internal successors, (127), 2 states have internal predecessors, (127), 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) [2021-10-16 23:04:06,923 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:04:06,923 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 69 [2021-10-16 23:04:06,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:04:06,949 INFO L129 PetriNetUnfolder]: 2/61 cut-off events. [2021-10-16 23:04:06,949 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:04:06,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 61 events. 2/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 5/63 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2021-10-16 23:04:06,951 INFO L132 encePairwiseOnDemand]: 64/69 looper letters, 0 selfloop transitions, 0 changer transitions 61/61 dead transitions. [2021-10-16 23:04:06,951 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 61 transitions, 128 flow [2021-10-16 23:04:06,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 23:04:06,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-16 23:04:06,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 131 transitions. [2021-10-16 23:04:06,962 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9492753623188406 [2021-10-16 23:04:06,963 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 131 transitions. [2021-10-16 23:04:06,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 131 transitions. [2021-10-16 23:04:06,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:04:06,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 131 transitions. [2021-10-16 23:04:06,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 65.5) internal successors, (131), 2 states have internal predecessors, (131), 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) [2021-10-16 23:04:06,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 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) [2021-10-16 23:04:06,977 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 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) [2021-10-16 23:04:06,979 INFO L186 Difference]: Start difference. First operand has 69 places, 67 transitions, 140 flow. Second operand 2 states and 131 transitions. [2021-10-16 23:04:06,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 61 transitions, 128 flow [2021-10-16 23:04:06,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 61 transitions, 126 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:04:06,988 INFO L242 Difference]: Finished difference. Result has 65 places, 0 transitions, 0 flow [2021-10-16 23:04:06,990 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=65, PETRI_TRANSITIONS=0} [2021-10-16 23:04:06,992 INFO L334 CegarLoopForPetriNet]: 69 programPoint places, -4 predicate places. [2021-10-16 23:04:06,992 INFO L470 AbstractCegarLoop]: Abstraction has has 65 places, 0 transitions, 0 flow [2021-10-16 23:04:06,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 63.5) internal successors, (127), 2 states have internal predecessors, (127), 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) [2021-10-16 23:04:06,994 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 23:04:06,995 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-16 23:04:06,995 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:06,995 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:06,995 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:06,996 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:04:06,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 23:04:07,002 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 23:04:07,002 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 23:04:07,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:04:07 BasicIcfg [2021-10-16 23:04:07,006 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 23:04:07,008 INFO L168 Benchmark]: Toolchain (without parser) took 1686.96 ms. Allocated memory is still 178.3 MB. Free memory was 129.3 MB in the beginning and 143.6 MB in the end (delta: -14.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:04:07,009 INFO L168 Benchmark]: CDTParser took 1.26 ms. Allocated memory is still 178.3 MB. Free memory is still 147.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:04:07,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.33 ms. Allocated memory is still 178.3 MB. Free memory was 129.1 MB in the beginning and 147.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 8.0 GB. [2021-10-16 23:04:07,010 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.85 ms. Allocated memory is still 178.3 MB. Free memory was 147.2 MB in the beginning and 145.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-16 23:04:07,012 INFO L168 Benchmark]: Boogie Preprocessor took 37.33 ms. Allocated memory is still 178.3 MB. Free memory was 145.3 MB in the beginning and 143.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:04:07,016 INFO L168 Benchmark]: RCFGBuilder took 510.60 ms. Allocated memory is still 178.3 MB. Free memory was 143.8 MB in the beginning and 128.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-10-16 23:04:07,017 INFO L168 Benchmark]: TraceAbstraction took 570.91 ms. Allocated memory is still 178.3 MB. Free memory was 128.0 MB in the beginning and 143.6 MB in the end (delta: -15.6 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:04:07,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26 ms. Allocated memory is still 178.3 MB. Free memory is still 147.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 506.33 ms. Allocated memory is still 178.3 MB. Free memory was 129.1 MB in the beginning and 147.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.85 ms. Allocated memory is still 178.3 MB. Free memory was 147.2 MB in the beginning and 145.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.33 ms. Allocated memory is still 178.3 MB. Free memory was 145.3 MB in the beginning and 143.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 510.60 ms. Allocated memory is still 178.3 MB. Free memory was 143.8 MB in the beginning and 128.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 570.91 ms. Allocated memory is still 178.3 MB. Free memory was 128.0 MB in the beginning and 143.6 MB in the end (delta: -15.6 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 91 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 7.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 441.3ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 79.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 49.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.5ms SsaConstructionTime, 43.3ms SatisfiabilityAnalysisTime, 93.4ms InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-16 23:04:07,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...