/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-FA-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-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 22:44:00,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 22:44:00,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 22:44:00,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 22:44:00,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 22:44:00,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 22:44:00,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 22:44:00,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 22:44:00,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 22:44:00,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 22:44:00,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 22:44:00,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 22:44:00,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 22:44:00,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 22:44:00,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 22:44:00,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 22:44:00,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 22:44:00,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 22:44:00,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 22:44:00,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 22:44:00,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 22:44:00,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 22:44:00,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 22:44:00,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 22:44:00,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 22:44:00,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 22:44:00,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 22:44:00,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 22:44:00,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 22:44:00,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 22:44:00,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 22:44:00,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 22:44:00,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 22:44:00,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 22:44:00,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 22:44:00,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 22:44:00,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 22:44:00,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 22:44:00,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 22:44:00,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 22:44:00,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 22:44:00,415 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-10-16 22:44:00,441 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 22:44:00,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 22:44:00,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 22:44:00,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 22:44:00,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 22:44:00,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 22:44:00,443 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 22:44:00,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 22:44:00,443 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 22:44:00,443 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 22:44:00,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 22:44:00,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 22:44:00,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 22:44:00,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 22:44:00,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 22:44:00,444 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 22:44:00,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 22:44:00,444 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 22:44:00,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 22:44:00,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 22:44:00,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 22:44:00,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 22:44:00,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 22:44:00,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:44:00,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 22:44:00,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 22:44:00,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 22:44:00,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 22:44:00,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 22:44:00,445 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 22:44:00,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 22:44:00,445 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 22:44:00,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 22:44:00,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 22:44:00,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 22:44:00,659 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 22:44:00,659 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 22:44:00,660 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-10-16 22:44:00,703 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bee900e7/e5b808c8c598442fa71f8309e83b1ab4/FLAG3f2271fbd [2021-10-16 22:44:01,139 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 22:44:01,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-10-16 22:44:01,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bee900e7/e5b808c8c598442fa71f8309e83b1ab4/FLAG3f2271fbd [2021-10-16 22:44:01,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bee900e7/e5b808c8c598442fa71f8309e83b1ab4 [2021-10-16 22:44:01,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 22:44:01,176 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 22:44:01,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 22:44:01,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 22:44:01,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 22:44:01,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:44:01" (1/1) ... [2021-10-16 22:44:01,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3021e5d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:44:01, skipping insertion in model container [2021-10-16 22:44:01,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:44:01" (1/1) ... [2021-10-16 22:44:01,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 22:44:01,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 22:44:01,447 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-atomic/time_var_mutex.i[30247,30260] [2021-10-16 22:44:01,449 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-atomic/time_var_mutex.i[30452,30465] [2021-10-16 22:44:01,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:44:01,469 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 22:44:01,503 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-atomic/time_var_mutex.i[30247,30260] [2021-10-16 22:44:01,505 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-atomic/time_var_mutex.i[30452,30465] [2021-10-16 22:44:01,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:44:01,537 INFO L208 MainTranslator]: Completed translation [2021-10-16 22:44:01,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:44:01 WrapperNode [2021-10-16 22:44:01,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 22:44:01,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 22:44:01,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 22:44:01,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 22:44:01,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:44:01" (1/1) ... [2021-10-16 22:44:01,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:44:01" (1/1) ... [2021-10-16 22:44:01,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 22:44:01,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 22:44:01,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 22:44:01,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 22:44:01,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:44:01" (1/1) ... [2021-10-16 22:44:01,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:44:01" (1/1) ... [2021-10-16 22:44:01,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:44:01" (1/1) ... [2021-10-16 22:44:01,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:44:01" (1/1) ... [2021-10-16 22:44:01,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:44:01" (1/1) ... [2021-10-16 22:44:01,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:44:01" (1/1) ... [2021-10-16 22:44:01,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:44:01" (1/1) ... [2021-10-16 22:44:01,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 22:44:01,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 22:44:01,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 22:44:01,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 22:44:01,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:44:01" (1/1) ... [2021-10-16 22:44:01,624 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:44:01,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 22:44:01,642 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 22:44:01,667 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 22:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2021-10-16 22:44:01,673 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2021-10-16 22:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 22:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2021-10-16 22:44:01,673 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2021-10-16 22:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 22:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 22:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 22:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 22:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 22:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 22:44:01,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 22:44:01,675 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 22:44:01,959 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 22:44:01,959 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-16 22:44:01,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:44:01 BoogieIcfgContainer [2021-10-16 22:44:01,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 22:44:01,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 22:44:01,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 22:44:01,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 22:44:01,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:44:01" (1/3) ... [2021-10-16 22:44:01,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffd883e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:44:01, skipping insertion in model container [2021-10-16 22:44:01,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:44:01" (2/3) ... [2021-10-16 22:44:01,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffd883e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:44:01, skipping insertion in model container [2021-10-16 22:44:01,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:44:01" (3/3) ... [2021-10-16 22:44:01,966 INFO L111 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2021-10-16 22:44:01,969 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 22:44:01,969 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 22:44:01,970 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-16 22:44:01,970 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 22:44:01,991 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,992 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,992 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,992 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,992 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,992 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,992 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,992 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,992 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,993 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,993 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,993 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,993 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,993 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,993 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,993 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,993 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,993 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,994 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,994 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,994 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,994 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,994 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,994 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,994 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,994 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,994 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,995 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,995 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,995 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,995 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,995 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,995 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,995 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,995 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,995 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,995 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,996 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,996 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,996 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,996 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,996 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,996 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,996 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,996 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,996 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,996 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,997 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,997 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,997 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,997 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,997 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,997 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,997 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,997 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,997 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,998 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,998 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,998 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,998 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,998 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,998 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,998 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,998 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,998 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,998 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,999 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,999 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,999 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,999 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,999 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,999 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,999 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:01,999 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,000 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,000 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,000 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,000 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,000 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,000 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,000 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,000 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,000 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,001 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,001 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,001 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,001 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,001 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,001 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,001 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,002 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,002 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,002 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,002 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,002 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,002 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,002 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,002 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,002 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,002 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,003 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,003 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,003 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,003 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,003 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,003 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,003 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,003 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,005 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,006 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,006 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,006 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,006 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,006 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,006 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,006 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,006 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,006 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,007 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,010 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,011 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,011 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,011 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,011 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,011 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,011 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,011 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:44:02,015 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-16 22:44:02,044 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 22:44:02,048 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=true, mConcurrency=FINITE_AUTOMATA, 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 22:44:02,048 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-10-16 22:44:02,057 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 148 places, 146 transitions, 308 flow [2021-10-16 22:44:02,222 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 7987 states, 7980 states have (on average 2.873809523809524) internal successors, (22933), 7986 states have internal predecessors, (22933), 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 22:44:02,256 INFO L276 IsEmpty]: Start isEmpty. Operand has 7987 states, 7980 states have (on average 2.873809523809524) internal successors, (22933), 7986 states have internal predecessors, (22933), 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 22:44:02,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-16 22:44:02,266 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:44:02,267 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:44:02,267 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting allocatorErr2ASSERT_VIOLATIONDATA_RACE === [allocatorErr2ASSERT_VIOLATIONDATA_RACE, allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-10-16 22:44:02,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:44:02,272 INFO L82 PathProgramCache]: Analyzing trace with hash 499306030, now seen corresponding path program 1 times [2021-10-16 22:44:02,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:44:02,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686164465] [2021-10-16 22:44:02,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:44:02,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:44:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:44:02,547 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 22:44:02,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:44:02,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686164465] [2021-10-16 22:44:02,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686164465] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:44:02,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:44:02,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 22:44:02,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374463056] [2021-10-16 22:44:02,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:44:02,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:44:02,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:44:02,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:44:02,581 INFO L87 Difference]: Start difference. First operand has 7987 states, 7980 states have (on average 2.873809523809524) internal successors, (22933), 7986 states have internal predecessors, (22933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 22:44:02,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:44:02,704 INFO L93 Difference]: Finished difference Result 7399 states and 20665 transitions. [2021-10-16 22:44:02,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:44:02,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-10-16 22:44:02,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:44:02,754 INFO L225 Difference]: With dead ends: 7399 [2021-10-16 22:44:02,755 INFO L226 Difference]: Without dead ends: 7398 [2021-10-16 22:44:02,756 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:44:02,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7398 states. [2021-10-16 22:44:02,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7398 to 7398. [2021-10-16 22:44:03,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7398 states, 7387 states have (on average 2.7973466901313118) internal successors, (20664), 7397 states have internal predecessors, (20664), 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 22:44:03,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7398 states to 7398 states and 20664 transitions. [2021-10-16 22:44:03,037 INFO L78 Accepts]: Start accepts. Automaton has 7398 states and 20664 transitions. Word has length 53 [2021-10-16 22:44:03,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:44:03,037 INFO L470 AbstractCegarLoop]: Abstraction has 7398 states and 20664 transitions. [2021-10-16 22:44:03,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 22:44:03,038 INFO L276 IsEmpty]: Start isEmpty. Operand 7398 states and 20664 transitions. [2021-10-16 22:44:03,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-16 22:44:03,044 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:44:03,044 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:44:03,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 22:44:03,044 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting allocatorErr0ASSERT_VIOLATIONDATA_RACE === [allocatorErr2ASSERT_VIOLATIONDATA_RACE, allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-10-16 22:44:03,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:44:03,046 INFO L82 PathProgramCache]: Analyzing trace with hash 431838096, now seen corresponding path program 1 times [2021-10-16 22:44:03,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:44:03,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490444864] [2021-10-16 22:44:03,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:44:03,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:44:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:44:03,126 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 22:44:03,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:44:03,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490444864] [2021-10-16 22:44:03,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490444864] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:44:03,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:44:03,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:44:03,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958850220] [2021-10-16 22:44:03,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:44:03,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:44:03,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:44:03,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:44:03,130 INFO L87 Difference]: Start difference. First operand 7398 states and 20664 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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 22:44:03,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:44:03,186 INFO L93 Difference]: Finished difference Result 7689 states and 21510 transitions. [2021-10-16 22:44:03,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:44:03,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-10-16 22:44:03,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:44:03,218 INFO L225 Difference]: With dead ends: 7689 [2021-10-16 22:44:03,218 INFO L226 Difference]: Without dead ends: 7689 [2021-10-16 22:44:03,219 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:44:03,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7689 states. [2021-10-16 22:44:03,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7689 to 7518. [2021-10-16 22:44:03,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7518 states, 7507 states have (on average 2.7995204475822564) internal successors, (21016), 7517 states have internal predecessors, (21016), 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 22:44:03,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7518 states to 7518 states and 21016 transitions. [2021-10-16 22:44:03,513 INFO L78 Accepts]: Start accepts. Automaton has 7518 states and 21016 transitions. Word has length 55 [2021-10-16 22:44:03,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:44:03,513 INFO L470 AbstractCegarLoop]: Abstraction has 7518 states and 21016 transitions. [2021-10-16 22:44:03,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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 22:44:03,514 INFO L276 IsEmpty]: Start isEmpty. Operand 7518 states and 21016 transitions. [2021-10-16 22:44:03,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-16 22:44:03,518 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:44:03,518 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:44:03,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 22:44:03,518 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting de_allocatorErr0ASSERT_VIOLATIONDATA_RACE === [allocatorErr2ASSERT_VIOLATIONDATA_RACE, allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-10-16 22:44:03,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:44:03,519 INFO L82 PathProgramCache]: Analyzing trace with hash -334894167, now seen corresponding path program 1 times [2021-10-16 22:44:03,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:44:03,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111597839] [2021-10-16 22:44:03,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:44:03,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:44:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:44:03,567 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 22:44:03,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:44:03,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111597839] [2021-10-16 22:44:03,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111597839] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:44:03,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:44:03,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:44:03,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633245690] [2021-10-16 22:44:03,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:44:03,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:44:03,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:44:03,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:44:03,569 INFO L87 Difference]: Start difference. First operand 7518 states and 21016 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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 22:44:03,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:44:03,640 INFO L93 Difference]: Finished difference Result 7428 states and 20622 transitions. [2021-10-16 22:44:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:44:03,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-10-16 22:44:03,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:44:03,670 INFO L225 Difference]: With dead ends: 7428 [2021-10-16 22:44:03,670 INFO L226 Difference]: Without dead ends: 6489 [2021-10-16 22:44:03,670 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:44:03,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6489 states. [2021-10-16 22:44:03,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6489 to 6471. [2021-10-16 22:44:03,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6471 states, 6462 states have (on average 2.798978644382544) internal successors, (18087), 6470 states have internal predecessors, (18087), 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 22:44:03,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6471 states to 6471 states and 18087 transitions. [2021-10-16 22:44:03,842 INFO L78 Accepts]: Start accepts. Automaton has 6471 states and 18087 transitions. Word has length 59 [2021-10-16 22:44:03,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:44:03,844 INFO L470 AbstractCegarLoop]: Abstraction has 6471 states and 18087 transitions. [2021-10-16 22:44:03,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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 22:44:03,844 INFO L276 IsEmpty]: Start isEmpty. Operand 6471 states and 18087 transitions. [2021-10-16 22:44:03,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-16 22:44:03,847 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:44:03,847 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:44:03,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 22:44:03,847 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr2ASSERT_VIOLATIONDATA_RACE, allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-10-16 22:44:03,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:44:03,849 INFO L82 PathProgramCache]: Analyzing trace with hash 40815801, now seen corresponding path program 1 times [2021-10-16 22:44:03,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:44:03,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41032975] [2021-10-16 22:44:03,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:44:03,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:44:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:44:03,925 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 22:44:03,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:44:03,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41032975] [2021-10-16 22:44:03,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41032975] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:44:03,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:44:03,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:44:03,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918137393] [2021-10-16 22:44:03,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:44:03,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:44:03,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:44:03,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:44:03,931 INFO L87 Difference]: Start difference. First operand 6471 states and 18087 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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 22:44:03,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:44:03,961 INFO L93 Difference]: Finished difference Result 6258 states and 17477 transitions. [2021-10-16 22:44:03,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:44:03,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-10-16 22:44:03,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:44:03,983 INFO L225 Difference]: With dead ends: 6258 [2021-10-16 22:44:03,984 INFO L226 Difference]: Without dead ends: 6258 [2021-10-16 22:44:03,984 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:44:03,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6258 states. [2021-10-16 22:44:04,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6258 to 6258. [2021-10-16 22:44:04,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6258 states, 6251 states have (on average 2.7958726603743402) internal successors, (17477), 6257 states have internal predecessors, (17477), 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 22:44:04,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6258 states to 6258 states and 17477 transitions. [2021-10-16 22:44:04,109 INFO L78 Accepts]: Start accepts. Automaton has 6258 states and 17477 transitions. Word has length 61 [2021-10-16 22:44:04,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:44:04,110 INFO L470 AbstractCegarLoop]: Abstraction has 6258 states and 17477 transitions. [2021-10-16 22:44:04,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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 22:44:04,110 INFO L276 IsEmpty]: Start isEmpty. Operand 6258 states and 17477 transitions. [2021-10-16 22:44:04,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-16 22:44:04,114 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:44:04,115 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:44:04,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 22:44:04,116 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting allocatorErr0ASSERT_VIOLATIONDATA_RACE === [allocatorErr2ASSERT_VIOLATIONDATA_RACE, allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-10-16 22:44:04,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:44:04,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1991887459, now seen corresponding path program 1 times [2021-10-16 22:44:04,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:44:04,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489694410] [2021-10-16 22:44:04,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:44:04,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:44:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:44:04,199 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 22:44:04,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:44:04,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489694410] [2021-10-16 22:44:04,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489694410] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:44:04,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:44:04,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 22:44:04,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573244950] [2021-10-16 22:44:04,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:44:04,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:44:04,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:44:04,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:44:04,201 INFO L87 Difference]: Start difference. First operand 6258 states and 17477 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 22:44:04,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:44:04,247 INFO L93 Difference]: Finished difference Result 4800 states and 12977 transitions. [2021-10-16 22:44:04,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:44:04,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-10-16 22:44:04,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:44:04,263 INFO L225 Difference]: With dead ends: 4800 [2021-10-16 22:44:04,264 INFO L226 Difference]: Without dead ends: 4656 [2021-10-16 22:44:04,264 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:44:04,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4656 states. [2021-10-16 22:44:04,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4656 to 4656. [2021-10-16 22:44:04,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4656 states, 4651 states have (on average 2.7045796602881103) internal successors, (12579), 4655 states have internal predecessors, (12579), 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 22:44:04,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4656 states to 4656 states and 12579 transitions. [2021-10-16 22:44:04,371 INFO L78 Accepts]: Start accepts. Automaton has 4656 states and 12579 transitions. Word has length 66 [2021-10-16 22:44:04,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:44:04,372 INFO L470 AbstractCegarLoop]: Abstraction has 4656 states and 12579 transitions. [2021-10-16 22:44:04,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 22:44:04,372 INFO L276 IsEmpty]: Start isEmpty. Operand 4656 states and 12579 transitions. [2021-10-16 22:44:04,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-16 22:44:04,375 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:44:04,375 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:44:04,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 22:44:04,376 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting allocatorErr2ASSERT_VIOLATIONDATA_RACE === [allocatorErr2ASSERT_VIOLATIONDATA_RACE, allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-10-16 22:44:04,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:44:04,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1068650134, now seen corresponding path program 1 times [2021-10-16 22:44:04,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:44:04,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907131923] [2021-10-16 22:44:04,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:44:04,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:44:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:44:04,415 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 22:44:04,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:44:04,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907131923] [2021-10-16 22:44:04,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907131923] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:44:04,417 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:44:04,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:44:04,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542984368] [2021-10-16 22:44:04,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:44:04,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:44:04,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:44:04,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:44:04,418 INFO L87 Difference]: Start difference. First operand 4656 states and 12579 transitions. Second operand has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 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 22:44:04,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:44:04,449 INFO L93 Difference]: Finished difference Result 4641 states and 12415 transitions. [2021-10-16 22:44:04,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:44:04,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-10-16 22:44:04,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:44:04,454 INFO L225 Difference]: With dead ends: 4641 [2021-10-16 22:44:04,454 INFO L226 Difference]: Without dead ends: 2355 [2021-10-16 22:44:04,454 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:44:04,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2355 states. [2021-10-16 22:44:04,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2355 to 2346. [2021-10-16 22:44:04,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2346 states, 2342 states have (on average 2.5354397950469685) internal successors, (5938), 2345 states have internal predecessors, (5938), 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 22:44:04,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 2346 states and 5938 transitions. [2021-10-16 22:44:04,490 INFO L78 Accepts]: Start accepts. Automaton has 2346 states and 5938 transitions. Word has length 66 [2021-10-16 22:44:04,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:44:04,490 INFO L470 AbstractCegarLoop]: Abstraction has 2346 states and 5938 transitions. [2021-10-16 22:44:04,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 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 22:44:04,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 5938 transitions. [2021-10-16 22:44:04,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-16 22:44:04,497 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:44:04,497 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:44:04,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 22:44:04,499 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting de_allocatorErr0ASSERT_VIOLATIONDATA_RACE === [allocatorErr2ASSERT_VIOLATIONDATA_RACE, allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-10-16 22:44:04,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:44:04,499 INFO L82 PathProgramCache]: Analyzing trace with hash -639268099, now seen corresponding path program 1 times [2021-10-16 22:44:04,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:44:04,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152541860] [2021-10-16 22:44:04,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:44:04,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:44:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:44:04,546 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 22:44:04,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:44:04,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152541860] [2021-10-16 22:44:04,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152541860] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:44:04,546 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:44:04,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 22:44:04,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608457278] [2021-10-16 22:44:04,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:44:04,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:44:04,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:44:04,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:44:04,548 INFO L87 Difference]: Start difference. First operand 2346 states and 5938 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 22:44:04,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:44:04,553 INFO L93 Difference]: Finished difference Result 1122 states and 2715 transitions. [2021-10-16 22:44:04,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:44:04,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-10-16 22:44:04,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:44:04,554 INFO L225 Difference]: With dead ends: 1122 [2021-10-16 22:44:04,554 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 22:44:04,554 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:44:04,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 22:44:04,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 22:44:04,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 22:44:04,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 22:44:04,555 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2021-10-16 22:44:04,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:44:04,555 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 22:44:04,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 22:44:04,555 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 22:44:04,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 22:44:04,557 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:44:04,557 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:44:04,557 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:44:04,558 INFO L764 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:44:04,558 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 22:44:04,558 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-16 22:44:04,558 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:44:04,558 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:44:04,558 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:44:04,558 INFO L764 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:44:04,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 22:44:04,563 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 22:44:04,563 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 22:44:04,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:44:04 BasicIcfg [2021-10-16 22:44:04,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 22:44:04,565 INFO L168 Benchmark]: Toolchain (without parser) took 3388.49 ms. Allocated memory was 189.8 MB in the beginning and 699.4 MB in the end (delta: 509.6 MB). Free memory was 138.3 MB in the beginning and 435.0 MB in the end (delta: -296.7 MB). Peak memory consumption was 213.8 MB. Max. memory is 8.0 GB. [2021-10-16 22:44:04,566 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 189.8 MB. Free memory is still 156.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 22:44:04,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.15 ms. Allocated memory is still 189.8 MB. Free memory was 138.1 MB in the beginning and 157.2 MB in the end (delta: -19.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 8.0 GB. [2021-10-16 22:44:04,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.10 ms. Allocated memory is still 189.8 MB. Free memory was 157.2 MB in the beginning and 155.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:44:04,566 INFO L168 Benchmark]: Boogie Preprocessor took 24.48 ms. Allocated memory is still 189.8 MB. Free memory was 155.1 MB in the beginning and 153.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-16 22:44:04,567 INFO L168 Benchmark]: RCFGBuilder took 350.84 ms. Allocated memory is still 189.8 MB. Free memory was 153.6 MB in the beginning and 138.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-16 22:44:04,567 INFO L168 Benchmark]: TraceAbstraction took 2602.76 ms. Allocated memory was 189.8 MB in the beginning and 699.4 MB in the end (delta: 509.6 MB). Free memory was 138.4 MB in the beginning and 435.0 MB in the end (delta: -296.6 MB). Peak memory consumption was 214.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:44:04,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 189.8 MB. Free memory is still 156.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 360.15 ms. Allocated memory is still 189.8 MB. Free memory was 138.1 MB in the beginning and 157.2 MB in the end (delta: -19.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 46.10 ms. Allocated memory is still 189.8 MB. Free memory was 157.2 MB in the beginning and 155.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.48 ms. Allocated memory is still 189.8 MB. Free memory was 155.1 MB in the beginning and 153.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 350.84 ms. Allocated memory is still 189.8 MB. Free memory was 153.6 MB in the beginning and 138.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2602.76 ms. Allocated memory was 189.8 MB in the beginning and 699.4 MB in the end (delta: 509.6 MB). Free memory was 138.4 MB in the beginning and 435.0 MB in the end (delta: -296.6 MB). Peak memory consumption was 214.1 MB. 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: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: 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, 209 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 2518.8ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 67.0ms, AutomataDifference: 554.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 174.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1042 SDtfs, 303 SDslu, 685 SDs, 0 SdLazy, 63 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 53.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=7987occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1004.8ms AutomataMinimizationTime, 7 MinimizatonAttempts, 198 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 63.4ms SsaConstructionTime, 147.2ms SatisfiabilityAnalysisTime, 322.2ms InterpolantComputationTime, 442 NumberOfCodeBlocks, 442 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 435 ConstructedInterpolants, 0 QuantifiedInterpolants, 565 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-16 22:44:04,593 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...