/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-MCRwithoutDepranks.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/03-practical_08-nonterm1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 08:13:24,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 08:13:24,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 08:13:24,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 08:13:24,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 08:13:24,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 08:13:24,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 08:13:24,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 08:13:24,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 08:13:24,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 08:13:24,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 08:13:24,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 08:13:24,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 08:13:24,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 08:13:24,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 08:13:24,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 08:13:24,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 08:13:24,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 08:13:24,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 08:13:24,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 08:13:24,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 08:13:24,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 08:13:24,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 08:13:24,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 08:13:25,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-10 08:13:25,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-10 08:13:25,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-10 08:13:25,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-10 08:13:25,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-10 08:13:25,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-10 08:13:25,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-10 08:13:25,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-10 08:13:25,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-10 08:13:25,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-10 08:13:25,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-10 08:13:25,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-10 08:13:25,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-10 08:13:25,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-10 08:13:25,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 08:13:25,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 08:13:25,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 08:13:25,012 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-MCRwithoutDepranks.epf [2022-02-10 08:13:25,037 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 08:13:25,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 08:13:25,038 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 08:13:25,038 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 08:13:25,039 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 08:13:25,039 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 08:13:25,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 08:13:25,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 08:13:25,040 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 08:13:25,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 08:13:25,040 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 08:13:25,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 08:13:25,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 08:13:25,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 08:13:25,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 08:13:25,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 08:13:25,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 08:13:25,041 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 08:13:25,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 08:13:25,041 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 08:13:25,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 08:13:25,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 08:13:25,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 08:13:25,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 08:13:25,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 08:13:25,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 08:13:25,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 08:13:25,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 08:13:25,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 08:13:25,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 08:13:25,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 08:13:25,043 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 08:13:25,045 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-10 08:13:25,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 08:13:25,046 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-10 08:13:25,046 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-10 08:13:25,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 08:13:25,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 08:13:25,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 08:13:25,319 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 08:13:25,320 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 08:13:25,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/03-practical_08-nonterm1.i [2022-02-10 08:13:25,398 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afeac2378/41048698f7d34ff9b2cd9746613f6a8d/FLAG0e9014f0b [2022-02-10 08:13:25,863 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 08:13:25,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/03-practical_08-nonterm1.i [2022-02-10 08:13:25,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afeac2378/41048698f7d34ff9b2cd9746613f6a8d/FLAG0e9014f0b [2022-02-10 08:13:26,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afeac2378/41048698f7d34ff9b2cd9746613f6a8d [2022-02-10 08:13:26,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 08:13:26,188 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 08:13:26,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 08:13:26,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 08:13:26,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 08:13:26,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 08:13:26" (1/1) ... [2022-02-10 08:13:26,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14222d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:13:26, skipping insertion in model container [2022-02-10 08:13:26,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 08:13:26" (1/1) ... [2022-02-10 08:13:26,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 08:13:26,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 08:13:26,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 08:13:26,606 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 08:13:26,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 08:13:26,684 INFO L208 MainTranslator]: Completed translation [2022-02-10 08:13:26,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:13:26 WrapperNode [2022-02-10 08:13:26,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 08:13:26,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 08:13:26,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 08:13:26,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 08:13:26,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:13:26" (1/1) ... [2022-02-10 08:13:26,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:13:26" (1/1) ... [2022-02-10 08:13:26,726 INFO L137 Inliner]: procedures = 264, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2022-02-10 08:13:26,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 08:13:26,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 08:13:26,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 08:13:26,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 08:13:26,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:13:26" (1/1) ... [2022-02-10 08:13:26,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:13:26" (1/1) ... [2022-02-10 08:13:26,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:13:26" (1/1) ... [2022-02-10 08:13:26,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:13:26" (1/1) ... [2022-02-10 08:13:26,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:13:26" (1/1) ... [2022-02-10 08:13:26,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:13:26" (1/1) ... [2022-02-10 08:13:26,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:13:26" (1/1) ... [2022-02-10 08:13:26,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 08:13:26,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 08:13:26,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 08:13:26,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 08:13:26,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:13:26" (1/1) ... [2022-02-10 08:13:26,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 08:13:26,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 08:13:26,797 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) [2022-02-10 08:13:26,831 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 [2022-02-10 08:13:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 08:13:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 08:13:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 08:13:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 08:13:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 08:13:26,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 08:13:26,849 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 08:13:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 08:13:26,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 08:13:26,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 08:13:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 08:13:26,851 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 08:13:27,015 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 08:13:27,032 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 08:13:27,203 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 08:13:27,210 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 08:13:27,210 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-10 08:13:27,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 08:13:27 BoogieIcfgContainer [2022-02-10 08:13:27,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 08:13:27,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 08:13:27,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 08:13:27,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 08:13:27,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 08:13:26" (1/3) ... [2022-02-10 08:13:27,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317e453c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 08:13:27, skipping insertion in model container [2022-02-10 08:13:27,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:13:26" (2/3) ... [2022-02-10 08:13:27,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317e453c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 08:13:27, skipping insertion in model container [2022-02-10 08:13:27,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 08:13:27" (3/3) ... [2022-02-10 08:13:27,224 INFO L111 eAbstractionObserver]: Analyzing ICFG 03-practical_08-nonterm1.i [2022-02-10 08:13:27,229 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 08:13:27,230 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 08:13:27,230 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-02-10 08:13:27,230 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 08:13:27,264 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,264 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,264 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,264 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:13:27,287 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-10 08:13:27,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-10 08:13:27,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 08:13:27,334 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) [2022-02-10 08:13:27,335 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 [2022-02-10 08:13:27,360 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 08:13:27,366 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=false, 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 [2022-02-10 08:13:27,366 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-02-10 08:13:27,380 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 104 places, 102 transitions, 212 flow [2022-02-10 08:13:27,462 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 870 states, 850 states have (on average 1.988235294117647) internal successors, (1690), 869 states have internal predecessors, (1690), 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) [2022-02-10 08:13:27,517 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 42 transitions and produced 43 states. [2022-02-10 08:13:27,520 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-02-10 08:13:27,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:13:27,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1019701197, now seen corresponding path program 1 times [2022-02-10 08:13:27,532 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:13:27,532 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831658176] [2022-02-10 08:13:27,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:13:27,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:13:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:13:27,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 08:13:27,809 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:13:27,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831658176] [2022-02-10 08:13:27,810 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831658176] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 08:13:27,811 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 08:13:27,811 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 08:13:27,812 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131908814] [2022-02-10 08:13:27,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 08:13:27,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 08:13:27,816 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:13:27,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 08:13:27,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 08:13:27,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:13:27,843 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:13:27,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-02-10 08:13:27,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:13:27,912 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 51 transitions and produced 52 states. [2022-02-10 08:13:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:13:27,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 08:13:27,935 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-02-10 08:13:27,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:13:27,935 INFO L85 PathProgramCache]: Analyzing trace with hash -933330746, now seen corresponding path program 1 times [2022-02-10 08:13:27,936 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:13:27,936 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236566134] [2022-02-10 08:13:27,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:13:27,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:13:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:13:27,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 08:13:27,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:13:27,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236566134] [2022-02-10 08:13:27,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236566134] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 08:13:27,984 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 08:13:27,984 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 08:13:27,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959861479] [2022-02-10 08:13:27,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 08:13:27,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 08:13:27,986 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:13:27,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 08:13:27,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 08:13:27,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:13:27,987 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:13:27,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-02-10 08:13:27,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:13:27,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:13:28,075 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 68 transitions and produced 69 states. [2022-02-10 08:13:28,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:13:28,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:13:28,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 08:13:28,080 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-02-10 08:13:28,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:13:28,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1208307905, now seen corresponding path program 1 times [2022-02-10 08:13:28,081 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:13:28,081 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099519461] [2022-02-10 08:13:28,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:13:28,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:13:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:13:28,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 08:13:28,322 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:13:28,323 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099519461] [2022-02-10 08:13:28,323 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099519461] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 08:13:28,323 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 08:13:28,323 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 08:13:28,324 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192869006] [2022-02-10 08:13:28,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 08:13:28,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 08:13:28,325 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:13:28,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 08:13:28,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-10 08:13:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:13:28,327 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:13:28,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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) [2022-02-10 08:13:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:13:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:13:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:13:28,506 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 79 transitions and produced 80 states. [2022-02-10 08:13:28,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:13:28,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:13:28,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 08:13:28,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 08:13:28,508 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-02-10 08:13:28,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:13:28,512 INFO L85 PathProgramCache]: Analyzing trace with hash 91998042, now seen corresponding path program 1 times [2022-02-10 08:13:28,512 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:13:28,512 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144362038] [2022-02-10 08:13:28,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:13:28,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:13:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:13:28,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 08:13:28,616 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:13:28,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144362038] [2022-02-10 08:13:28,620 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144362038] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 08:13:28,620 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 08:13:28,620 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 08:13:28,621 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810514610] [2022-02-10 08:13:28,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 08:13:28,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 08:13:28,621 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:13:28,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 08:13:28,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 08:13:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:13:28,625 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:13:28,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2022-02-10 08:13:28,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:13:28,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:13:28,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-10 08:13:28,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:13:28,730 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 96 transitions and produced 97 states. [2022-02-10 08:13:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:13:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:13:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 08:13:28,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:13:28,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 08:13:28,731 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-02-10 08:13:28,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:13:28,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1405243187, now seen corresponding path program 1 times [2022-02-10 08:13:28,733 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:13:28,733 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829041910] [2022-02-10 08:13:28,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:13:28,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:13:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:13:28,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 08:13:28,833 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:13:28,833 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829041910] [2022-02-10 08:13:28,833 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829041910] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 08:13:28,833 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 08:13:28,833 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 08:13:28,834 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022081975] [2022-02-10 08:13:28,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 08:13:28,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 08:13:28,834 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:13:28,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 08:13:28,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 08:13:28,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:13:28,835 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:13:28,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 08:13:28,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:13:28,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:13:28,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-10 08:13:28,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:13:28,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.