/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/02-base_24-malloc_races.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 12:44:18,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 12:44:18,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 12:44:18,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 12:44:18,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 12:44:18,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 12:44:18,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 12:44:18,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 12:44:18,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 12:44:18,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 12:44:18,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 12:44:18,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 12:44:18,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 12:44:18,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 12:44:18,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 12:44:18,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 12:44:18,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 12:44:18,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 12:44:18,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 12:44:18,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 12:44:18,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 12:44:18,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 12:44:18,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 12:44:18,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 12:44:18,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-15 12:44:18,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-15 12:44:18,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-15 12:44:18,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-15 12:44:18,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-15 12:44:18,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-02-15 12:44:18,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 12:44:18,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 12:44:18,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 12:44:18,514 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-15 12:44:18,538 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 12:44:18,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 12:44:18,538 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 12:44:18,539 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 12:44:18,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 12:44:18,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 12:44:18,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 12:44:18,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 12:44:18,540 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 12:44:18,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 12:44:18,541 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 12:44:18,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 12:44:18,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 12:44:18,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 12:44:18,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 12:44:18,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 12:44:18,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 12:44:18,541 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 12:44:18,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 12:44:18,541 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 12:44:18,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 12:44:18,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 12:44:18,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 12:44:18,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 12:44:18,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 12:44:18,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 12:44:18,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 12:44:18,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 12:44:18,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 12:44:18,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 12:44:18,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 12:44:18,543 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 12:44:18,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 12:44:18,544 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-15 12:44:18,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 12:44:18,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 12:44:18,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 12:44:18,759 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 12:44:18,759 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 12:44:18,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/02-base_24-malloc_races.i [2022-02-15 12:44:18,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9e035d86/474d76ca3d674d12a6cc654c874977c9/FLAGb0b5251f4 [2022-02-15 12:44:19,228 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 12:44:19,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/02-base_24-malloc_races.i [2022-02-15 12:44:19,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9e035d86/474d76ca3d674d12a6cc654c874977c9/FLAGb0b5251f4 [2022-02-15 12:44:19,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9e035d86/474d76ca3d674d12a6cc654c874977c9 [2022-02-15 12:44:19,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 12:44:19,593 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 12:44:19,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 12:44:19,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 12:44:19,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 12:44:19,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:44:19" (1/1) ... [2022-02-15 12:44:19,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b5309b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:19, skipping insertion in model container [2022-02-15 12:44:19,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:44:19" (1/1) ... [2022-02-15 12:44:19,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 12:44:19,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 12:44:20,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 12:44:20,079 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 12:44:20,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 12:44:20,178 INFO L208 MainTranslator]: Completed translation [2022-02-15 12:44:20,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:20 WrapperNode [2022-02-15 12:44:20,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 12:44:20,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 12:44:20,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 12:44:20,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 12:44:20,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:20" (1/1) ... [2022-02-15 12:44:20,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:20" (1/1) ... [2022-02-15 12:44:20,211 INFO L137 Inliner]: procedures = 365, calls = 31, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2022-02-15 12:44:20,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 12:44:20,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 12:44:20,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 12:44:20,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 12:44:20,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:20" (1/1) ... [2022-02-15 12:44:20,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:20" (1/1) ... [2022-02-15 12:44:20,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:20" (1/1) ... [2022-02-15 12:44:20,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:20" (1/1) ... [2022-02-15 12:44:20,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:20" (1/1) ... [2022-02-15 12:44:20,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:20" (1/1) ... [2022-02-15 12:44:20,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:20" (1/1) ... [2022-02-15 12:44:20,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 12:44:20,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 12:44:20,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 12:44:20,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 12:44:20,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:20" (1/1) ... [2022-02-15 12:44:20,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 12:44:20,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 12:44:20,258 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) [2022-02-15 12:44:20,278 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 [2022-02-15 12:44:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 12:44:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 12:44:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 12:44:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 12:44:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-15 12:44:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 12:44:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 12:44:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-15 12:44:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-15 12:44:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 12:44:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 12:44:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 12:44:20,288 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 12:44:20,412 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 12:44:20,413 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 12:44:20,560 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 12:44:20,568 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 12:44:20,568 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 12:44:20,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:44:20 BoogieIcfgContainer [2022-02-15 12:44:20,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 12:44:20,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 12:44:20,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 12:44:20,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 12:44:20,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 12:44:19" (1/3) ... [2022-02-15 12:44:20,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed19fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:44:20, skipping insertion in model container [2022-02-15 12:44:20,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:20" (2/3) ... [2022-02-15 12:44:20,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed19fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:44:20, skipping insertion in model container [2022-02-15 12:44:20,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:44:20" (3/3) ... [2022-02-15 12:44:20,576 INFO L111 eAbstractionObserver]: Analyzing ICFG 02-base_24-malloc_races.i [2022-02-15 12:44:20,579 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 12:44:20,579 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 12:44:20,580 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-02-15 12:44:20,580 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 12:44:20,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,602 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,602 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,603 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,603 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,614 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,615 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:20,616 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-15 12:44:20,647 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 12:44:20,651 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=FINITE_AUTOMATA, 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 [2022-02-15 12:44:20,651 INFO L340 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-02-15 12:44:20,658 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 118 places, 114 transitions, 233 flow [2022-02-15 12:44:20,718 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1124 states, 1098 states have (on average 1.9426229508196722) internal successors, (2133), 1123 states have internal predecessors, (2133), 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) [2022-02-15 12:44:20,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 1124 states, 1098 states have (on average 1.9426229508196722) internal successors, (2133), 1123 states have internal predecessors, (2133), 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) [2022-02-15 12:44:20,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-02-15 12:44:20,725 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:20,725 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:44:20,726 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-15 12:44:20,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:20,729 INFO L85 PathProgramCache]: Analyzing trace with hash -796788612, now seen corresponding path program 1 times [2022-02-15 12:44:20,735 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:20,735 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718319167] [2022-02-15 12:44:20,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:20,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:44:20,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:44:20,917 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:44:20,918 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718319167] [2022-02-15 12:44:20,918 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718319167] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:44:20,918 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:44:20,918 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-15 12:44:20,919 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461457803] [2022-02-15 12:44:20,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:44:20,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 12:44:20,923 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:44:20,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 12:44:20,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:44:20,949 INFO L87 Difference]: Start difference. First operand has 1124 states, 1098 states have (on average 1.9426229508196722) internal successors, (2133), 1123 states have internal predecessors, (2133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-02-15 12:44:21,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:44:21,009 INFO L93 Difference]: Finished difference Result 1123 states and 2132 transitions. [2022-02-15 12:44:21,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 12:44:21,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-02-15 12:44:21,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:44:21,030 INFO L225 Difference]: With dead ends: 1123 [2022-02-15 12:44:21,032 INFO L226 Difference]: Without dead ends: 1123 [2022-02-15 12:44:21,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:44:21,037 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 2 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 12:44:21,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 209 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 12:44:21,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2022-02-15 12:44:21,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1123. [2022-02-15 12:44:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1098 states have (on average 1.941712204007286) internal successors, (2132), 1122 states have internal predecessors, (2132), 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) [2022-02-15 12:44:21,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 2132 transitions. [2022-02-15 12:44:21,145 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 2132 transitions. Word has length 33 [2022-02-15 12:44:21,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:44:21,145 INFO L470 AbstractCegarLoop]: Abstraction has 1123 states and 2132 transitions. [2022-02-15 12:44:21,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-02-15 12:44:21,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2132 transitions. [2022-02-15 12:44:21,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-15 12:44:21,147 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:21,147 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:44:21,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 12:44:21,147 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-15 12:44:21,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:21,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1918488513, now seen corresponding path program 1 times [2022-02-15 12:44:21,151 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:21,151 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983134993] [2022-02-15 12:44:21,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:21,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:44:21,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:44:21,226 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:44:21,226 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983134993] [2022-02-15 12:44:21,227 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983134993] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:44:21,227 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:44:21,227 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-15 12:44:21,227 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979383317] [2022-02-15 12:44:21,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:44:21,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 12:44:21,229 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:44:21,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 12:44:21,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:44:21,229 INFO L87 Difference]: Start difference. First operand 1123 states and 2132 transitions. Second operand has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-02-15 12:44:21,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:44:21,266 INFO L93 Difference]: Finished difference Result 1122 states and 2131 transitions. [2022-02-15 12:44:21,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 12:44:21,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-02-15 12:44:21,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:44:21,273 INFO L225 Difference]: With dead ends: 1122 [2022-02-15 12:44:21,273 INFO L226 Difference]: Without dead ends: 1122 [2022-02-15 12:44:21,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:44:21,274 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 2 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 12:44:21,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 207 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 12:44:21,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2022-02-15 12:44:21,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1122. [2022-02-15 12:44:21,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 1098 states have (on average 1.9408014571948997) internal successors, (2131), 1121 states have internal predecessors, (2131), 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) [2022-02-15 12:44:21,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 2131 transitions. [2022-02-15 12:44:21,307 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 2131 transitions. Word has length 40 [2022-02-15 12:44:21,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:44:21,308 INFO L470 AbstractCegarLoop]: Abstraction has 1122 states and 2131 transitions. [2022-02-15 12:44:21,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-02-15 12:44:21,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 2131 transitions. [2022-02-15 12:44:21,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-02-15 12:44:21,309 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:21,309 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:44:21,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 12:44:21,310 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-15 12:44:21,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:21,310 INFO L85 PathProgramCache]: Analyzing trace with hash 2011316591, now seen corresponding path program 1 times [2022-02-15 12:44:21,311 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:21,311 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636246073] [2022-02-15 12:44:21,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:21,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:44:21,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:44:21,379 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:44:21,379 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636246073] [2022-02-15 12:44:21,379 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636246073] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:44:21,380 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:44:21,380 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-15 12:44:21,380 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892317097] [2022-02-15 12:44:21,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:44:21,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 12:44:21,381 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:44:21,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 12:44:21,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:44:21,382 INFO L87 Difference]: Start difference. First operand 1122 states and 2131 transitions. Second operand has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-02-15 12:44:21,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:44:21,401 INFO L93 Difference]: Finished difference Result 1056 states and 2001 transitions. [2022-02-15 12:44:21,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 12:44:21,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-02-15 12:44:21,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:44:21,406 INFO L225 Difference]: With dead ends: 1056 [2022-02-15 12:44:21,406 INFO L226 Difference]: Without dead ends: 1056 [2022-02-15 12:44:21,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:44:21,412 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 61 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 12:44:21,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 167 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 12:44:21,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2022-02-15 12:44:21,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1056. [2022-02-15 12:44:21,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 1041 states have (on average 1.9221902017291066) internal successors, (2001), 1055 states have internal predecessors, (2001), 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) [2022-02-15 12:44:21,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 2001 transitions. [2022-02-15 12:44:21,436 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 2001 transitions. Word has length 51 [2022-02-15 12:44:21,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:44:21,437 INFO L470 AbstractCegarLoop]: Abstraction has 1056 states and 2001 transitions. [2022-02-15 12:44:21,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-02-15 12:44:21,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 2001 transitions. [2022-02-15 12:44:21,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-02-15 12:44:21,438 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:21,439 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:44:21,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 12:44:21,439 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-15 12:44:21,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:21,440 INFO L85 PathProgramCache]: Analyzing trace with hash -576174563, now seen corresponding path program 1 times [2022-02-15 12:44:21,440 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:21,440 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799807668] [2022-02-15 12:44:21,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:21,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:44:21,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:44:21,595 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:44:21,595 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799807668] [2022-02-15 12:44:21,595 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799807668] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:44:21,596 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:44:21,596 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 12:44:21,596 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417977319] [2022-02-15 12:44:21,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:44:21,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 12:44:21,596 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:44:21,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 12:44:21,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:44:21,597 INFO L87 Difference]: Start difference. First operand 1056 states and 2001 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 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) [2022-02-15 12:44:21,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:44:21,853 INFO L93 Difference]: Finished difference Result 1247 states and 2370 transitions. [2022-02-15 12:44:21,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 12:44:21,854 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-02-15 12:44:21,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:44:21,864 INFO L225 Difference]: With dead ends: 1247 [2022-02-15 12:44:21,864 INFO L226 Difference]: Without dead ends: 1247 [2022-02-15 12:44:21,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:44:21,868 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 104 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 12:44:21,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 612 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 12:44:21,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2022-02-15 12:44:21,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 1160. [2022-02-15 12:44:21,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1145 states have (on average 1.931004366812227) internal successors, (2211), 1159 states have internal predecessors, (2211), 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) [2022-02-15 12:44:21,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 2211 transitions. [2022-02-15 12:44:21,889 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 2211 transitions. Word has length 58 [2022-02-15 12:44:21,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:44:21,889 INFO L470 AbstractCegarLoop]: Abstraction has 1160 states and 2211 transitions. [2022-02-15 12:44:21,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 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) [2022-02-15 12:44:21,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 2211 transitions. [2022-02-15 12:44:21,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-02-15 12:44:21,891 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:21,891 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:44:21,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 12:44:21,891 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-15 12:44:21,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:21,892 INFO L85 PathProgramCache]: Analyzing trace with hash -906441389, now seen corresponding path program 1 times [2022-02-15 12:44:21,892 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:21,892 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403989740] [2022-02-15 12:44:21,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:21,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:44:21,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:44:21,960 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:44:21,960 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403989740] [2022-02-15 12:44:21,960 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403989740] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:44:21,961 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:44:21,961 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 12:44:21,961 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868660014] [2022-02-15 12:44:21,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:44:21,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 12:44:21,961 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:44:21,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 12:44:21,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:44:21,962 INFO L87 Difference]: Start difference. First operand 1160 states and 2211 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 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) [2022-02-15 12:44:22,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:44:22,176 INFO L93 Difference]: Finished difference Result 1930 states and 3682 transitions. [2022-02-15 12:44:22,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 12:44:22,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-02-15 12:44:22,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:44:22,182 INFO L225 Difference]: With dead ends: 1930 [2022-02-15 12:44:22,182 INFO L226 Difference]: Without dead ends: 1930 [2022-02-15 12:44:22,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:44:22,183 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 171 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 12:44:22,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 423 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 12:44:22,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1930 states. [2022-02-15 12:44:22,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1930 to 1231. [2022-02-15 12:44:22,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1216 states have (on average 1.9317434210526316) internal successors, (2349), 1230 states have internal predecessors, (2349), 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) [2022-02-15 12:44:22,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 2349 transitions. [2022-02-15 12:44:22,208 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 2349 transitions. Word has length 59 [2022-02-15 12:44:22,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:44:22,208 INFO L470 AbstractCegarLoop]: Abstraction has 1231 states and 2349 transitions. [2022-02-15 12:44:22,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 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) [2022-02-15 12:44:22,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 2349 transitions. [2022-02-15 12:44:22,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-02-15 12:44:22,209 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:22,209 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:44:22,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 12:44:22,209 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-15 12:44:22,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:22,210 INFO L85 PathProgramCache]: Analyzing trace with hash -2126821387, now seen corresponding path program 1 times [2022-02-15 12:44:22,210 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:22,210 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521811879] [2022-02-15 12:44:22,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:22,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:44:22,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:44:22,235 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:44:22,235 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521811879] [2022-02-15 12:44:22,235 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521811879] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:44:22,235 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:44:22,235 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-15 12:44:22,236 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755854855] [2022-02-15 12:44:22,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:44:22,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 12:44:22,236 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:44:22,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 12:44:22,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:44:22,237 INFO L87 Difference]: Start difference. First operand 1231 states and 2349 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 12:44:22,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:44:22,249 INFO L93 Difference]: Finished difference Result 1159 states and 2207 transitions. [2022-02-15 12:44:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 12:44:22,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-02-15 12:44:22,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:44:22,254 INFO L225 Difference]: With dead ends: 1159 [2022-02-15 12:44:22,254 INFO L226 Difference]: Without dead ends: 1159 [2022-02-15 12:44:22,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:44:22,254 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 59 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 12:44:22,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 211 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 12:44:22,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2022-02-15 12:44:22,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 1159. [2022-02-15 12:44:22,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1159 states, 1151 states have (on average 1.9174630755864466) internal successors, (2207), 1158 states have internal predecessors, (2207), 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) [2022-02-15 12:44:22,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 2207 transitions. [2022-02-15 12:44:22,273 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 2207 transitions. Word has length 61 [2022-02-15 12:44:22,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:44:22,273 INFO L470 AbstractCegarLoop]: Abstraction has 1159 states and 2207 transitions. [2022-02-15 12:44:22,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 12:44:22,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 2207 transitions. [2022-02-15 12:44:22,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-15 12:44:22,274 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:22,274 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:44:22,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 12:44:22,275 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-15 12:44:22,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:22,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1999581971, now seen corresponding path program 1 times [2022-02-15 12:44:22,275 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:22,276 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488894073] [2022-02-15 12:44:22,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:22,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:44:22,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:44:22,325 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:44:22,325 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488894073] [2022-02-15 12:44:22,326 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488894073] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:44:22,326 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:44:22,326 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 12:44:22,326 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894712965] [2022-02-15 12:44:22,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:44:22,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 12:44:22,326 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:44:22,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 12:44:22,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:44:22,327 INFO L87 Difference]: Start difference. First operand 1159 states and 2207 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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) [2022-02-15 12:44:22,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:44:22,340 INFO L93 Difference]: Finished difference Result 719 states and 1291 transitions. [2022-02-15 12:44:22,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 12:44:22,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-02-15 12:44:22,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:44:22,342 INFO L225 Difference]: With dead ends: 719 [2022-02-15 12:44:22,342 INFO L226 Difference]: Without dead ends: 719 [2022-02-15 12:44:22,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:44:22,345 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 47 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 12:44:22,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 186 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 12:44:22,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2022-02-15 12:44:22,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 719. [2022-02-15 12:44:22,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 713 states have (on average 1.8106591865357644) internal successors, (1291), 718 states have internal predecessors, (1291), 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) [2022-02-15 12:44:22,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 1291 transitions. [2022-02-15 12:44:22,357 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 1291 transitions. Word has length 67 [2022-02-15 12:44:22,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:44:22,357 INFO L470 AbstractCegarLoop]: Abstraction has 719 states and 1291 transitions. [2022-02-15 12:44:22,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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) [2022-02-15 12:44:22,358 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1291 transitions. [2022-02-15 12:44:22,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-02-15 12:44:22,359 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:22,359 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:44:22,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 12:44:22,359 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-15 12:44:22,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:22,362 INFO L85 PathProgramCache]: Analyzing trace with hash -2062702493, now seen corresponding path program 1 times [2022-02-15 12:44:22,362 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:22,362 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123056087] [2022-02-15 12:44:22,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:22,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:44:22,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:44:22,442 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:44:22,442 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123056087] [2022-02-15 12:44:22,442 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123056087] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:44:22,442 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:44:22,442 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 12:44:22,442 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443815381] [2022-02-15 12:44:22,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:44:22,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 12:44:22,443 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:44:22,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 12:44:22,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:44:22,444 INFO L87 Difference]: Start difference. First operand 719 states and 1291 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 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) [2022-02-15 12:44:22,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:44:22,535 INFO L93 Difference]: Finished difference Result 838 states and 1502 transitions. [2022-02-15 12:44:22,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 12:44:22,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-02-15 12:44:22,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:44:22,537 INFO L225 Difference]: With dead ends: 838 [2022-02-15 12:44:22,537 INFO L226 Difference]: Without dead ends: 638 [2022-02-15 12:44:22,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:44:22,538 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 76 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 12:44:22,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 316 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 12:44:22,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2022-02-15 12:44:22,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 596. [2022-02-15 12:44:22,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 591 states have (on average 1.754653130287648) internal successors, (1037), 595 states have internal predecessors, (1037), 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) [2022-02-15 12:44:22,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 1037 transitions. [2022-02-15 12:44:22,547 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 1037 transitions. Word has length 68 [2022-02-15 12:44:22,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:44:22,547 INFO L470 AbstractCegarLoop]: Abstraction has 596 states and 1037 transitions. [2022-02-15 12:44:22,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 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) [2022-02-15 12:44:22,547 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1037 transitions. [2022-02-15 12:44:22,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-02-15 12:44:22,548 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:22,548 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:44:22,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 12:44:22,548 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-15 12:44:22,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:22,549 INFO L85 PathProgramCache]: Analyzing trace with hash 283971730, now seen corresponding path program 1 times [2022-02-15 12:44:22,549 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:22,549 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274954844] [2022-02-15 12:44:22,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:22,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:44:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:44:22,605 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:44:22,605 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274954844] [2022-02-15 12:44:22,605 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274954844] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:44:22,605 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:44:22,606 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 12:44:22,606 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897312019] [2022-02-15 12:44:22,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:44:22,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 12:44:22,606 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:44:22,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 12:44:22,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:44:22,607 INFO L87 Difference]: Start difference. First operand 596 states and 1037 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 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) [2022-02-15 12:44:22,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:44:22,739 INFO L93 Difference]: Finished difference Result 806 states and 1382 transitions. [2022-02-15 12:44:22,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 12:44:22,740 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-02-15 12:44:22,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:44:22,742 INFO L225 Difference]: With dead ends: 806 [2022-02-15 12:44:22,742 INFO L226 Difference]: Without dead ends: 635 [2022-02-15 12:44:22,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:44:22,742 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 107 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 12:44:22,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 417 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 12:44:22,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2022-02-15 12:44:22,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 506. [2022-02-15 12:44:22,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 501 states have (on average 1.7524950099800398) internal successors, (878), 505 states have internal predecessors, (878), 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) [2022-02-15 12:44:22,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 878 transitions. [2022-02-15 12:44:22,751 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 878 transitions. Word has length 70 [2022-02-15 12:44:22,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:44:22,751 INFO L470 AbstractCegarLoop]: Abstraction has 506 states and 878 transitions. [2022-02-15 12:44:22,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 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) [2022-02-15 12:44:22,751 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 878 transitions. [2022-02-15 12:44:22,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-02-15 12:44:22,752 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:22,752 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:44:22,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 12:44:22,752 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-15 12:44:22,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:22,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1676342582, now seen corresponding path program 1 times [2022-02-15 12:44:22,753 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:22,753 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153490173] [2022-02-15 12:44:22,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:22,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:44:22,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:44:22,852 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:44:22,852 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153490173] [2022-02-15 12:44:22,852 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153490173] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:44:22,852 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:44:22,853 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 12:44:22,853 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312006543] [2022-02-15 12:44:22,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:44:22,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-15 12:44:22,853 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:44:22,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-15 12:44:22,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-02-15 12:44:22,854 INFO L87 Difference]: Start difference. First operand 506 states and 878 transitions. Second operand has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 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) [2022-02-15 12:44:23,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:44:23,180 INFO L93 Difference]: Finished difference Result 588 states and 994 transitions. [2022-02-15 12:44:23,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-15 12:44:23,180 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-02-15 12:44:23,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:44:23,182 INFO L225 Difference]: With dead ends: 588 [2022-02-15 12:44:23,182 INFO L226 Difference]: Without dead ends: 588 [2022-02-15 12:44:23,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2022-02-15 12:44:23,183 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 234 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 12:44:23,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [234 Valid, 659 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 12:44:23,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2022-02-15 12:44:23,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 448. [2022-02-15 12:44:23,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 444 states have (on average 1.7297297297297298) internal successors, (768), 447 states have internal predecessors, (768), 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) [2022-02-15 12:44:23,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 768 transitions. [2022-02-15 12:44:23,190 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 768 transitions. Word has length 78 [2022-02-15 12:44:23,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:44:23,191 INFO L470 AbstractCegarLoop]: Abstraction has 448 states and 768 transitions. [2022-02-15 12:44:23,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 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) [2022-02-15 12:44:23,191 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 768 transitions. [2022-02-15 12:44:23,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-02-15 12:44:23,191 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:23,191 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:44:23,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-15 12:44:23,192 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-15 12:44:23,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:23,192 INFO L85 PathProgramCache]: Analyzing trace with hash -248821663, now seen corresponding path program 1 times [2022-02-15 12:44:23,192 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:23,192 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913624846] [2022-02-15 12:44:23,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:23,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:44:23,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:44:23,291 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:44:23,291 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913624846] [2022-02-15 12:44:23,291 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913624846] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:44:23,291 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:44:23,291 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 12:44:23,291 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315257404] [2022-02-15 12:44:23,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:44:23,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-15 12:44:23,292 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:44:23,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-15 12:44:23,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-02-15 12:44:23,292 INFO L87 Difference]: Start difference. First operand 448 states and 768 transitions. Second operand has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 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) [2022-02-15 12:44:23,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:44:23,550 INFO L93 Difference]: Finished difference Result 436 states and 745 transitions. [2022-02-15 12:44:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-15 12:44:23,550 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-02-15 12:44:23,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:44:23,551 INFO L225 Difference]: With dead ends: 436 [2022-02-15 12:44:23,552 INFO L226 Difference]: Without dead ends: 404 [2022-02-15 12:44:23,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2022-02-15 12:44:23,552 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 150 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 12:44:23,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 681 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 12:44:23,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2022-02-15 12:44:23,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 388. [2022-02-15 12:44:23,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 385 states have (on average 1.716883116883117) internal successors, (661), 387 states have internal predecessors, (661), 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) [2022-02-15 12:44:23,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 661 transitions. [2022-02-15 12:44:23,558 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 661 transitions. Word has length 78 [2022-02-15 12:44:23,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:44:23,558 INFO L470 AbstractCegarLoop]: Abstraction has 388 states and 661 transitions. [2022-02-15 12:44:23,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 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) [2022-02-15 12:44:23,559 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 661 transitions. [2022-02-15 12:44:23,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-02-15 12:44:23,559 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:23,559 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:44:23,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-15 12:44:23,560 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-02-15 12:44:23,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:23,560 INFO L85 PathProgramCache]: Analyzing trace with hash 772850320, now seen corresponding path program 1 times [2022-02-15 12:44:23,561 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:23,561 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096059522] [2022-02-15 12:44:23,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:23,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 12:44:23,590 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 12:44:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 12:44:23,630 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-15 12:44:23,630 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 12:44:23,630 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2022-02-15 12:44:23,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2022-02-15 12:44:23,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2022-02-15 12:44:23,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2022-02-15 12:44:23,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2022-02-15 12:44:23,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2022-02-15 12:44:23,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (8 of 15 remaining) [2022-02-15 12:44:23,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2022-02-15 12:44:23,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2022-02-15 12:44:23,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2022-02-15 12:44:23,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2022-02-15 12:44:23,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2022-02-15 12:44:23,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2022-02-15 12:44:23,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2022-02-15 12:44:23,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2022-02-15 12:44:23,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-15 12:44:23,635 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:44:23,639 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 12:44:23,639 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 12:44:23,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 12:44:23 BasicIcfg [2022-02-15 12:44:23,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 12:44:23,694 INFO L158 Benchmark]: Toolchain (without parser) took 4101.34ms. Allocated memory was 187.7MB in the beginning and 358.6MB in the end (delta: 170.9MB). Free memory was 129.1MB in the beginning and 279.9MB in the end (delta: -150.8MB). Peak memory consumption was 20.3MB. Max. memory is 8.0GB. [2022-02-15 12:44:23,694 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 187.7MB. Free memory was 147.7MB in the beginning and 147.7MB in the end (delta: 68.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 12:44:23,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 582.85ms. Allocated memory was 187.7MB in the beginning and 358.6MB in the end (delta: 170.9MB). Free memory was 128.9MB in the beginning and 303.7MB in the end (delta: -174.8MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. [2022-02-15 12:44:23,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.62ms. Allocated memory is still 358.6MB. Free memory was 303.7MB in the beginning and 301.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-15 12:44:23,695 INFO L158 Benchmark]: Boogie Preprocessor took 18.05ms. Allocated memory is still 358.6MB. Free memory was 301.1MB in the beginning and 299.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-15 12:44:23,695 INFO L158 Benchmark]: RCFGBuilder took 340.11ms. Allocated memory is still 358.6MB. Free memory was 299.0MB in the beginning and 283.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-15 12:44:23,695 INFO L158 Benchmark]: TraceAbstraction took 3122.91ms. Allocated memory is still 358.6MB. Free memory was 283.2MB in the beginning and 279.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.8MB. Max. memory is 8.0GB. [2022-02-15 12:44:23,696 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 187.7MB. Free memory was 147.7MB in the beginning and 147.7MB in the end (delta: 68.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 582.85ms. Allocated memory was 187.7MB in the beginning and 358.6MB in the end (delta: 170.9MB). Free memory was 128.9MB in the beginning and 303.7MB in the end (delta: -174.8MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.62ms. Allocated memory is still 358.6MB. Free memory was 303.7MB in the beginning and 301.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.05ms. Allocated memory is still 358.6MB. Free memory was 301.1MB in the beginning and 299.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 340.11ms. Allocated memory is still 358.6MB. Free memory was 299.0MB in the beginning and 283.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 3122.91ms. Allocated memory is still 358.6MB. Free memory was 283.2MB in the beginning and 279.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 1241]: Data race detected Data race detected The following path leads to a data race: [L1223] 0 int *x; VAL [x={0:0}] [L1224] 0 int *y; VAL [x={0:0}, y={0:0}] [L1225] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [m={3:0}, x={0:0}, y={0:0}] [L1234] 0 pthread_t id; VAL [id={5:0}, m={3:0}, x={0:0}, y={0:0}] [L1235] 0 x = malloc(sizeof(int)) VAL [id={5:0}, m={3:0}, malloc(sizeof(int))={-2:0}, x={-2:0}, x = malloc(sizeof(int))=103, y={0:0}] [L1236] 0 y = malloc(sizeof(int)) VAL [id={5:0}, m={3:0}, malloc(sizeof(int))={-3:0}, x={-2:0}, y={-3:0}, y = malloc(sizeof(int))=104] [L1237] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, m={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, x={-2:0}, y={-3:0}] [L1239] EXPR 0 *x VAL [arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1239] EXPR 0 \read(*x) VAL [\read(*x)=106, arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1239] 0 printf("%d\n",*x) VAL [\read(*x)=106, arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1228] EXPR 1 *x VAL [arg={0:0}, arg={0:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1228] 1 *x = 3 VAL [arg={0:0}, arg={0:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1241] EXPR 0 *y VAL [arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1241] EXPR 0 \read(*y) VAL [\read(*y)=101, arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1229] EXPR 1 *y VAL [arg={0:0}, arg={0:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1229] 1 *y = 8 VAL [*y = 8=102, arg={0:0}, arg={0:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1241] 0 printf("%d\n",*y) VAL [*y = 8=102, \read(*y)=101, arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: *y = 8 [1229] * C: *x = 3 [1228] * C: *x = 3 [1228] * C: y = malloc(sizeof(int)) [1236] * C: x = malloc(sizeof(int)) [1235] * C: *x = 3 [1228] * C: *x = 3 [1228] and C: printf("%d\n",*y) [1241] - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1236]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1239]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1239]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1237]: 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: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: 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, 147 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1013 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1013 mSDsluCounter, 4088 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2689 mSDsCounter, 209 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1732 IncrementalHoareTripleChecker+Invalid, 1941 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 209 mSolverCounterUnsat, 1415 mSDtfsCounter, 1732 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1231occurred in iteration=5, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1113 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 751 NumberOfCodeBlocks, 751 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 652 ConstructedInterpolants, 0 QuantifiedInterpolants, 1514 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 [2022-02-15 12:44:23,771 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...