/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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.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/goblint-regression/04-mutex_47-fun_write.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 22:24:00,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 22:24:00,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 22:24:00,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 22:24:00,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 22:24:00,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 22:24:00,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 22:24:00,967 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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-01 22:24:01,004 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 22:24:01,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 22:24:01,005 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 22:24:01,005 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 22:24:01,006 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 22:24:01,006 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 22:24:01,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 22:24:01,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 22:24:01,007 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 22:24:01,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 22:24:01,007 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 22:24:01,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 22:24:01,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 22:24:01,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 22:24:01,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 22:24:01,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 22:24:01,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 22:24:01,008 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 22:24:01,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 22:24:01,008 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 22:24:01,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 22:24:01,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 22:24:01,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 22:24:01,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 22:24:01,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 22:24:01,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 22:24:01,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 22:24:01,009 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-01 22:24:01,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 22:24:01,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 22:24:01,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 22:24:01,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 22:24:01,010 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 22:24:01,010 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-01 22:24:01,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 22:24:01,010 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-01 22:24:01,011 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-01 22:24:01,011 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-01 22:24:01,011 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-01 22:24:01,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 22:24:01,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 22:24:01,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 22:24:01,260 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 22:24:01,260 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 22:24:01,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_47-fun_write.i [2022-03-01 22:24:01,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d58e478b3/51bd009a8c974dfa8fc0157558a2b1a0/FLAGb87fd63da [2022-03-01 22:24:01,771 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 22:24:01,772 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_47-fun_write.i [2022-03-01 22:24:01,803 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d58e478b3/51bd009a8c974dfa8fc0157558a2b1a0/FLAGb87fd63da [2022-03-01 22:24:02,094 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d58e478b3/51bd009a8c974dfa8fc0157558a2b1a0 [2022-03-01 22:24:02,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 22:24:02,099 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 22:24:02,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 22:24:02,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 22:24:02,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 22:24:02,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 10:24:02" (1/1) ... [2022-03-01 22:24:02,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a70688b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:24:02, skipping insertion in model container [2022-03-01 22:24:02,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 10:24:02" (1/1) ... [2022-03-01 22:24:02,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 22:24:02,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 22:24:02,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 22:24:02,638 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 22:24:02,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 22:24:02,754 INFO L208 MainTranslator]: Completed translation [2022-03-01 22:24:02,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:24:02 WrapperNode [2022-03-01 22:24:02,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 22:24:02,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 22:24:02,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 22:24:02,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 22:24:02,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:24:02" (1/1) ... [2022-03-01 22:24:02,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:24:02" (1/1) ... [2022-03-01 22:24:02,831 INFO L137 Inliner]: procedures = 263, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2022-03-01 22:24:02,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 22:24:02,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 22:24:02,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 22:24:02,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 22:24:02,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:24:02" (1/1) ... [2022-03-01 22:24:02,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:24:02" (1/1) ... [2022-03-01 22:24:02,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:24:02" (1/1) ... [2022-03-01 22:24:02,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:24:02" (1/1) ... [2022-03-01 22:24:02,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:24:02" (1/1) ... [2022-03-01 22:24:02,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:24:02" (1/1) ... [2022-03-01 22:24:02,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:24:02" (1/1) ... [2022-03-01 22:24:02,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 22:24:02,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 22:24:02,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 22:24:02,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 22:24:02,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:24:02" (1/1) ... [2022-03-01 22:24:02,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 22:24:02,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 22:24:02,916 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) [2022-03-01 22:24:02,921 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 [2022-03-01 22:24:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 22:24:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 22:24:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 22:24:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 22:24:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-01 22:24:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 22:24:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-01 22:24:02,958 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-01 22:24:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 22:24:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 22:24:02,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 22:24:02,959 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 22:24:03,098 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 22:24:03,099 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 22:24:03,268 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 22:24:03,275 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 22:24:03,275 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 22:24:03,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 10:24:03 BoogieIcfgContainer [2022-03-01 22:24:03,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 22:24:03,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 22:24:03,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 22:24:03,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 22:24:03,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 10:24:02" (1/3) ... [2022-03-01 22:24:03,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28bf16e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 10:24:03, skipping insertion in model container [2022-03-01 22:24:03,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:24:02" (2/3) ... [2022-03-01 22:24:03,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28bf16e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 10:24:03, skipping insertion in model container [2022-03-01 22:24:03,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 10:24:03" (3/3) ... [2022-03-01 22:24:03,286 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_47-fun_write.i [2022-03-01 22:24:03,290 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 22:24:03,290 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 22:24:03,290 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-01 22:24:03,290 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 22:24:03,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_f_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:24:03,334 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-01 22:24:03,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-01 22:24:03,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 22:24:03,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-01 22:24:03,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-01 22:24:03,427 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 22:24:03,435 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-01 22:24:03,436 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-03-01 22:24:03,488 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 41 transitions and produced 42 states. [2022-03-01 22:24:03,490 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-03-01 22:24:03,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:24:03,494 INFO L85 PathProgramCache]: Analyzing trace with hash -834013877, now seen corresponding path program 1 times [2022-03-01 22:24:03,501 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:24:03,501 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557651560] [2022-03-01 22:24:03,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:24:03,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:24:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:24:03,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:24:03,780 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 22:24:03,780 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557651560] [2022-03-01 22:24:03,781 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557651560] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 22:24:03,782 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 22:24:03,782 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 22:24:03,785 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175403467] [2022-03-01 22:24:03,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 22:24:03,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 22:24:03,792 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 22:24:03,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 22:24:03,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 22:24:03,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:24:03,820 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 22:24:03,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-03-01 22:24:03,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:24:03,856 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 50 transitions and produced 51 states. [2022-03-01 22:24:03,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:24:03,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 22:24:03,858 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-03-01 22:24:03,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:24:03,862 INFO L85 PathProgramCache]: Analyzing trace with hash 44091556, now seen corresponding path program 1 times [2022-03-01 22:24:03,864 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:24:03,867 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371643014] [2022-03-01 22:24:03,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:24:03,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:24:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:24:03,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:24:03,949 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 22:24:03,949 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371643014] [2022-03-01 22:24:03,950 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371643014] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 22:24:03,950 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 22:24:03,950 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 22:24:03,950 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124310315] [2022-03-01 22:24:03,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 22:24:03,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 22:24:03,952 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 22:24:03,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 22:24:03,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 22:24:03,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:24:03,953 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 22:24:03,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-03-01 22:24:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:24:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:24:03,995 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 67 transitions and produced 68 states. [2022-03-01 22:24:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:24:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:24:03,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 22:24:03,997 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-03-01 22:24:03,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:24:03,998 INFO L85 PathProgramCache]: Analyzing trace with hash -897607208, now seen corresponding path program 1 times [2022-03-01 22:24:03,998 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:24:03,998 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276005652] [2022-03-01 22:24:03,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:24:04,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:24:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:24:04,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:24:04,304 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 22:24:04,305 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276005652] [2022-03-01 22:24:04,305 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276005652] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 22:24:04,306 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 22:24:04,306 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 22:24:04,306 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358921888] [2022-03-01 22:24:04,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 22:24:04,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 22:24:04,308 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 22:24:04,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 22:24:04,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 22:24:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:24:04,309 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 22:24:04,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 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) [2022-03-01 22:24:04,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:24:04,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:24:04,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:24:04,378 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 80 transitions and produced 81 states. [2022-03-01 22:24:04,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:24:04,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:24:04,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:24:04,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 22:24:04,380 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-03-01 22:24:04,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:24:04,381 INFO L85 PathProgramCache]: Analyzing trace with hash 323710952, now seen corresponding path program 1 times [2022-03-01 22:24:04,381 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:24:04,382 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957790727] [2022-03-01 22:24:04,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:24:04,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:24:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:24:04,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:24:04,482 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 22:24:04,482 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957790727] [2022-03-01 22:24:04,483 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957790727] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 22:24:04,483 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 22:24:04,483 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 22:24:04,483 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730509472] [2022-03-01 22:24:04,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 22:24:04,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 22:24:04,484 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 22:24:04,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 22:24:04,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 22:24:04,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:24:04,485 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 22:24:04,485 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) [2022-03-01 22:24:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:24:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:24:04,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:24:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:24:04,639 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 673 transitions and produced 380 states. [2022-03-01 22:24:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:24:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:24:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:24:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:24:04,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 22:24:04,641 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-03-01 22:24:04,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:24:04,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1120251550, now seen corresponding path program 1 times [2022-03-01 22:24:04,642 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:24:04,642 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600975438] [2022-03-01 22:24:04,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:24:04,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:24:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 22:24:04,682 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 22:24:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 22:24:04,740 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 22:24:04,740 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 22:24:04,741 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2022-03-01 22:24:04,743 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2022-03-01 22:24:04,743 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2022-03-01 22:24:04,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 6 remaining) [2022-03-01 22:24:04,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2022-03-01 22:24:04,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2022-03-01 22:24:04,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-01 22:24:04,754 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-03-01 22:24:04,758 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 22:24:04,758 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 22:24:04,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 10:24:04 BasicIcfg [2022-03-01 22:24:04,814 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 22:24:04,814 INFO L158 Benchmark]: Toolchain (without parser) took 2715.32ms. Allocated memory is still 209.7MB. Free memory was 159.4MB in the beginning and 129.1MB in the end (delta: 30.3MB). Peak memory consumption was 29.9MB. Max. memory is 8.0GB. [2022-03-01 22:24:04,815 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 209.7MB. Free memory was 177.9MB in the beginning and 177.9MB in the end (delta: 71.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 22:24:04,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 654.64ms. Allocated memory is still 209.7MB. Free memory was 159.2MB in the beginning and 172.2MB in the end (delta: -13.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-01 22:24:04,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.00ms. Allocated memory is still 209.7MB. Free memory was 172.2MB in the beginning and 169.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 22:24:04,819 INFO L158 Benchmark]: Boogie Preprocessor took 37.28ms. Allocated memory is still 209.7MB. Free memory was 169.6MB in the beginning and 168.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 22:24:04,822 INFO L158 Benchmark]: RCFGBuilder took 406.20ms. Allocated memory is still 209.7MB. Free memory was 168.0MB in the beginning and 156.0MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-01 22:24:04,823 INFO L158 Benchmark]: TraceAbstraction took 1534.33ms. Allocated memory is still 209.7MB. Free memory was 155.5MB in the beginning and 129.1MB in the end (delta: 26.3MB). Peak memory consumption was 25.8MB. Max. memory is 8.0GB. [2022-03-01 22:24:04,826 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 209.7MB. Free memory was 177.9MB in the beginning and 177.9MB in the end (delta: 71.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 654.64ms. Allocated memory is still 209.7MB. Free memory was 159.2MB in the beginning and 172.2MB in the end (delta: -13.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 76.00ms. Allocated memory is still 209.7MB. Free memory was 172.2MB in the beginning and 169.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.28ms. Allocated memory is still 209.7MB. Free memory was 169.6MB in the beginning and 168.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 406.20ms. Allocated memory is still 209.7MB. Free memory was 168.0MB in the beginning and 156.0MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1534.33ms. Allocated memory is still 209.7MB. Free memory was 155.5MB in the beginning and 129.1MB in the end (delta: 26.3MB). Peak memory consumption was 25.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 933]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal=0] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, myglobal=0] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, mutex2={2:0}, myglobal=0] [L930] 0 pthread_t id; VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L933] EXPR 0 myglobal+1 VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L933] 0 myglobal=myglobal+1 VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1, myglobal=myglobal+1=25] [L925] CALL, EXPR 1 f() [L921] 1 return 5; VAL [\result=5, mutex1={1:0}, mutex2={2:0}, myglobal=1] [L925] RET, EXPR 1 f() [L925] 1 myglobal=f() VAL [arg={0:0}, arg={0:0}, f()=5, mutex1={1:0}, mutex2={2:0}, myglobal=5, myglobal=f()=26] [L933] 0 myglobal=myglobal+1 VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=5, myglobal=myglobal+1=25] Now there is a data race on ~myglobal~0 between C: myglobal=f() [925] and C: myglobal=myglobal+1 [933] - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 935]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 925]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 99 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 260 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-01 22:24:04,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-01 22:24:05,098 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...