/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/05-lval_ls_09-idxsense_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 18:21:23,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 18:21:23,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 18:21:23,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-03 18:21:23,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-03 18:21:23,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-03 18:21:23,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-03 18:21:23,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-03 18:21:23,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-03 18:21:23,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 18:21:23,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 18:21:23,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 18:21:23,198 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 [2022-03-03 18:21:23,223 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 18:21:23,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 18:21:23,224 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 18:21:23,224 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 18:21:23,225 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 18:21:23,225 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 18:21:23,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 18:21:23,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 18:21:23,226 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 18:21:23,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 18:21:23,226 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 18:21:23,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 18:21:23,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 18:21:23,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 18:21:23,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 18:21:23,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 18:21:23,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 18:21:23,227 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 18:21:23,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 18:21:23,227 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 18:21:23,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 18:21:23,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 18:21:23,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 18:21:23,227 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 18:21:23,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 18:21:23,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:21:23,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 18:21:23,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 18:21:23,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 18:21:23,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 18:21:23,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 18:21:23,229 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 18:21:23,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 18:21:23,229 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-03 18:21:23,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 18:21:23,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 18:21:23,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 18:21:23,426 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 18:21:23,426 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 18:21:23,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_09-idxsense_rc.i [2022-03-03 18:21:23,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e78190f34/07d88a1545584753887294978954ec03/FLAG31e5fbe50 [2022-03-03 18:21:23,841 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 18:21:23,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_09-idxsense_rc.i [2022-03-03 18:21:23,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e78190f34/07d88a1545584753887294978954ec03/FLAG31e5fbe50 [2022-03-03 18:21:24,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e78190f34/07d88a1545584753887294978954ec03 [2022-03-03 18:21:24,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 18:21:24,276 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 18:21:24,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 18:21:24,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 18:21:24,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 18:21:24,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1766f752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24, skipping insertion in model container [2022-03-03 18:21:24,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 18:21:24,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 18:21:24,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:21:24,514 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 18:21:24,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:21:24,561 INFO L208 MainTranslator]: Completed translation [2022-03-03 18:21:24,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24 WrapperNode [2022-03-03 18:21:24,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 18:21:24,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 18:21:24,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 18:21:24,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 18:21:24,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,605 INFO L137 Inliner]: procedures = 161, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-03-03 18:21:24,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 18:21:24,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 18:21:24,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 18:21:24,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 18:21:24,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 18:21:24,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 18:21:24,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 18:21:24,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 18:21:24,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:21:24,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:21:24,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-03 18:21:24,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-03 18:21:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-03 18:21:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 18:21:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-03 18:21:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 18:21:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 18:21:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-03 18:21:24,722 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-03 18:21:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 18:21:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 18:21:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 18:21:24,724 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 18:21:24,790 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 18:21:24,791 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 18:21:24,936 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 18:21:24,941 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 18:21:24,941 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-03 18:21:24,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:21:24 BoogieIcfgContainer [2022-03-03 18:21:24,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 18:21:24,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 18:21:24,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 18:21:24,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 18:21:24,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 06:21:24" (1/3) ... [2022-03-03 18:21:24,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c87a806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:21:24, skipping insertion in model container [2022-03-03 18:21:24,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (2/3) ... [2022-03-03 18:21:24,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c87a806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:21:24, skipping insertion in model container [2022-03-03 18:21:24,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:21:24" (3/3) ... [2022-03-03 18:21:24,954 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_09-idxsense_rc.i [2022-03-03 18:21:24,958 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 18:21:24,958 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 18:21:24,958 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-03 18:21:24,958 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 18:21:24,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,982 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,982 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,983 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,983 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,993 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,993 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:24,994 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-03 18:21:25,020 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 18:21:25,025 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-03 18:21:25,025 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-03 18:21:25,031 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 83 transitions, 171 flow [2022-03-03 18:21:25,083 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 754 states, 746 states have (on average 1.9142091152815013) internal successors, (1428), 753 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:25,087 INFO L276 IsEmpty]: Start isEmpty. Operand has 754 states, 746 states have (on average 1.9142091152815013) internal successors, (1428), 753 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:25,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-03 18:21:25,092 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:25,092 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] [2022-03-03 18:21:25,093 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:25,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:25,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1730628035, now seen corresponding path program 1 times [2022-03-03 18:21:25,102 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:25,102 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131456569] [2022-03-03 18:21:25,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:25,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:25,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:25,212 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:25,212 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131456569] [2022-03-03 18:21:25,212 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131456569] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:25,212 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:25,213 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:21:25,214 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140328601] [2022-03-03 18:21:25,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:25,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-03 18:21:25,217 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:25,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-03 18:21:25,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-03 18:21:25,236 INFO L87 Difference]: Start difference. First operand has 754 states, 746 states have (on average 1.9142091152815013) internal successors, (1428), 753 states have internal predecessors, (1428), 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 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:25,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:25,268 INFO L93 Difference]: Finished difference Result 754 states and 1427 transitions. [2022-03-03 18:21:25,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 18:21:25,273 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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 30 [2022-03-03 18:21:25,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:25,291 INFO L225 Difference]: With dead ends: 754 [2022-03-03 18:21:25,292 INFO L226 Difference]: Without dead ends: 754 [2022-03-03 18:21:25,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-03 18:21:25,295 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:25,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:21:25,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2022-03-03 18:21:25,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 754. [2022-03-03 18:21:25,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 754 states, 746 states have (on average 1.9128686327077749) internal successors, (1427), 753 states have internal predecessors, (1427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1427 transitions. [2022-03-03 18:21:25,370 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1427 transitions. Word has length 30 [2022-03-03 18:21:25,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:25,371 INFO L470 AbstractCegarLoop]: Abstraction has 754 states and 1427 transitions. [2022-03-03 18:21:25,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:25,371 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1427 transitions. [2022-03-03 18:21:25,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-03 18:21:25,372 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:25,372 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] [2022-03-03 18:21:25,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 18:21:25,372 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:25,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:25,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1056787452, now seen corresponding path program 1 times [2022-03-03 18:21:25,373 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:25,373 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165083074] [2022-03-03 18:21:25,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:25,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:25,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:25,478 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:25,480 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165083074] [2022-03-03 18:21:25,481 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165083074] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:25,481 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:25,481 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-03 18:21:25,481 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923909229] [2022-03-03 18:21:25,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:25,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:21:25,483 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:25,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:21:25,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:21:25,485 INFO L87 Difference]: Start difference. First operand 754 states and 1427 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:25,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:25,534 INFO L93 Difference]: Finished difference Result 758 states and 1431 transitions. [2022-03-03 18:21:25,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:21:25,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 30 [2022-03-03 18:21:25,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:25,538 INFO L225 Difference]: With dead ends: 758 [2022-03-03 18:21:25,538 INFO L226 Difference]: Without dead ends: 758 [2022-03-03 18:21:25,538 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 [2022-03-03 18:21:25,539 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 3 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:25,541 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 150 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:21:25,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2022-03-03 18:21:25,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 755. [2022-03-03 18:21:25,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 747 states have (on average 1.9116465863453815) internal successors, (1428), 754 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:25,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1428 transitions. [2022-03-03 18:21:25,556 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1428 transitions. Word has length 30 [2022-03-03 18:21:25,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:25,557 INFO L470 AbstractCegarLoop]: Abstraction has 755 states and 1428 transitions. [2022-03-03 18:21:25,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:25,557 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1428 transitions. [2022-03-03 18:21:25,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-03-03 18:21:25,559 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:25,559 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] [2022-03-03 18:21:25,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 18:21:25,560 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:25,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:25,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1222323389, now seen corresponding path program 1 times [2022-03-03 18:21:25,561 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:25,561 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824080643] [2022-03-03 18:21:25,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:25,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:25,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:25,658 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:25,660 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824080643] [2022-03-03 18:21:25,662 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824080643] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 18:21:25,662 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794711809] [2022-03-03 18:21:25,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:25,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 18:21:25,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:21:25,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 18:21:25,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-03 18:21:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:25,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-03 18:21:25,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 18:21:25,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:25,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 18:21:25,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:25,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794711809] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 18:21:25,984 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 18:21:25,984 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-03 18:21:25,984 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70448616] [2022-03-03 18:21:25,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 18:21:25,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:21:25,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:25,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:21:25,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:21:25,986 INFO L87 Difference]: Start difference. First operand 755 states and 1428 transitions. Second operand has 10 states, 10 states have (on average 4.7) internal successors, (47), 10 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:26,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:26,035 INFO L93 Difference]: Finished difference Result 765 states and 1438 transitions. [2022-03-03 18:21:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 18:21:26,035 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 10 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-03-03 18:21:26,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:26,038 INFO L225 Difference]: With dead ends: 765 [2022-03-03 18:21:26,038 INFO L226 Difference]: Without dead ends: 765 [2022-03-03 18:21:26,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-03-03 18:21:26,039 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 17 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:26,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 371 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:21:26,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2022-03-03 18:21:26,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 765. [2022-03-03 18:21:26,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 757 states have (on average 1.8996036988110965) internal successors, (1438), 764 states have internal predecessors, (1438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1438 transitions. [2022-03-03 18:21:26,052 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1438 transitions. Word has length 35 [2022-03-03 18:21:26,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:26,052 INFO L470 AbstractCegarLoop]: Abstraction has 765 states and 1438 transitions. [2022-03-03 18:21:26,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 10 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:26,052 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1438 transitions. [2022-03-03 18:21:26,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-03 18:21:26,053 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:26,053 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:26,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-03 18:21:26,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 18:21:26,274 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:26,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:26,274 INFO L85 PathProgramCache]: Analyzing trace with hash 563003363, now seen corresponding path program 2 times [2022-03-03 18:21:26,274 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:26,274 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567079596] [2022-03-03 18:21:26,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:26,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:26,341 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:26,342 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:26,342 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567079596] [2022-03-03 18:21:26,342 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567079596] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 18:21:26,342 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116929194] [2022-03-03 18:21:26,342 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-03 18:21:26,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 18:21:26,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:21:26,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 18:21:26,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-03 18:21:26,414 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-03 18:21:26,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 18:21:26,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-03 18:21:26,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 18:21:26,490 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-03 18:21:26,510 INFO L353 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-03-03 18:21:26,511 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2022-03-03 18:21:26,541 INFO L353 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2022-03-03 18:21:26,542 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2022-03-03 18:21:26,584 INFO L353 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2022-03-03 18:21:26,585 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 46 [2022-03-03 18:21:26,603 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-03 18:21:26,603 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-03 18:21:26,603 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116929194] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:26,603 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-03 18:21:26,603 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-03-03 18:21:26,603 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937307145] [2022-03-03 18:21:26,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:26,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:21:26,604 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:26,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:21:26,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:26,605 INFO L87 Difference]: Start difference. First operand 765 states and 1438 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:26,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:26,784 INFO L93 Difference]: Finished difference Result 1163 states and 2192 transitions. [2022-03-03 18:21:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:21:26,785 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-03-03 18:21:26,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:26,789 INFO L225 Difference]: With dead ends: 1163 [2022-03-03 18:21:26,789 INFO L226 Difference]: Without dead ends: 1163 [2022-03-03 18:21:26,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:26,790 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 188 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:26,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 293 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:21:26,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2022-03-03 18:21:26,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 867. [2022-03-03 18:21:26,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 860 states have (on average 1.913953488372093) internal successors, (1646), 866 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:26,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1646 transitions. [2022-03-03 18:21:26,804 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1646 transitions. Word has length 45 [2022-03-03 18:21:26,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:26,804 INFO L470 AbstractCegarLoop]: Abstraction has 867 states and 1646 transitions. [2022-03-03 18:21:26,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:26,805 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1646 transitions. [2022-03-03 18:21:26,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-03-03 18:21:26,806 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:26,806 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:26,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-03 18:21:27,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-03-03 18:21:27,022 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:27,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:27,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1709219736, now seen corresponding path program 1 times [2022-03-03 18:21:27,022 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:27,022 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639463098] [2022-03-03 18:21:27,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:27,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:27,091 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:27,091 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:27,091 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639463098] [2022-03-03 18:21:27,092 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639463098] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 18:21:27,092 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190660189] [2022-03-03 18:21:27,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:27,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 18:21:27,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:21:27,093 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 18:21:27,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-03 18:21:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:27,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-03 18:21:27,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 18:21:27,246 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:27,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 18:21:27,355 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:27,355 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190660189] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 18:21:27,355 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 18:21:27,355 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-03-03 18:21:27,355 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974772729] [2022-03-03 18:21:27,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 18:21:27,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-03 18:21:27,356 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:27,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-03 18:21:27,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:21:27,356 INFO L87 Difference]: Start difference. First operand 867 states and 1646 transitions. Second operand has 18 states, 18 states have (on average 4.166666666666667) internal successors, (75), 18 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:27,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:27,484 INFO L93 Difference]: Finished difference Result 887 states and 1666 transitions. [2022-03-03 18:21:27,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-03 18:21:27,484 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.166666666666667) internal successors, (75), 18 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-03-03 18:21:27,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:27,487 INFO L225 Difference]: With dead ends: 887 [2022-03-03 18:21:27,487 INFO L226 Difference]: Without dead ends: 887 [2022-03-03 18:21:27,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2022-03-03 18:21:27,488 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 41 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:27,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 376 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:21:27,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2022-03-03 18:21:27,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 887. [2022-03-03 18:21:27,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 880 states have (on average 1.893181818181818) internal successors, (1666), 886 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:27,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1666 transitions. [2022-03-03 18:21:27,500 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1666 transitions. Word has length 53 [2022-03-03 18:21:27,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:27,501 INFO L470 AbstractCegarLoop]: Abstraction has 887 states and 1666 transitions. [2022-03-03 18:21:27,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.166666666666667) internal successors, (75), 18 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:27,501 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1666 transitions. [2022-03-03 18:21:27,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-03-03 18:21:27,502 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:27,502 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:27,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-03 18:21:27,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 18:21:27,723 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:27,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:27,723 INFO L85 PathProgramCache]: Analyzing trace with hash -731766360, now seen corresponding path program 2 times [2022-03-03 18:21:27,723 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:27,724 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702365727] [2022-03-03 18:21:27,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:27,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:27,912 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:27,912 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:27,912 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702365727] [2022-03-03 18:21:27,912 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702365727] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 18:21:27,912 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664229854] [2022-03-03 18:21:27,913 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-03 18:21:27,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 18:21:27,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:21:27,915 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 18:21:27,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-03 18:21:28,005 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-03 18:21:28,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 18:21:28,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-03 18:21:28,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 18:21:28,075 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-03 18:21:28,092 INFO L353 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-03-03 18:21:28,092 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2022-03-03 18:21:28,120 INFO L353 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2022-03-03 18:21:28,120 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2022-03-03 18:21:28,158 INFO L353 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2022-03-03 18:21:28,158 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 46 [2022-03-03 18:21:28,179 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-03-03 18:21:28,180 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-03 18:21:28,180 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664229854] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:28,180 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-03 18:21:28,180 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2022-03-03 18:21:28,180 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255883796] [2022-03-03 18:21:28,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:28,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:21:28,180 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:28,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:21:28,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-03-03 18:21:28,181 INFO L87 Difference]: Start difference. First operand 887 states and 1666 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:28,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:28,317 INFO L93 Difference]: Finished difference Result 1192 states and 2224 transitions. [2022-03-03 18:21:28,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:21:28,317 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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 73 [2022-03-03 18:21:28,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:28,320 INFO L225 Difference]: With dead ends: 1192 [2022-03-03 18:21:28,320 INFO L226 Difference]: Without dead ends: 972 [2022-03-03 18:21:28,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-03-03 18:21:28,321 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 108 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:28,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 273 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 18:21:28,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2022-03-03 18:21:28,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 794. [2022-03-03 18:21:28,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 787 states have (on average 1.8614993646759848) internal successors, (1465), 793 states have internal predecessors, (1465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:28,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1465 transitions. [2022-03-03 18:21:28,333 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1465 transitions. Word has length 73 [2022-03-03 18:21:28,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:28,333 INFO L470 AbstractCegarLoop]: Abstraction has 794 states and 1465 transitions. [2022-03-03 18:21:28,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:28,333 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1465 transitions. [2022-03-03 18:21:28,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-03-03 18:21:28,334 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:28,334 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:28,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-03 18:21:28,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 18:21:28,545 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:28,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:28,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1750930688, now seen corresponding path program 1 times [2022-03-03 18:21:28,545 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:28,545 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554640425] [2022-03-03 18:21:28,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:28,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:28,756 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:28,756 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:28,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554640425] [2022-03-03 18:21:28,756 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554640425] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 18:21:28,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134815667] [2022-03-03 18:21:28,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:28,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 18:21:28,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:21:28,758 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 18:21:28,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-03 18:21:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:28,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-03 18:21:28,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 18:21:28,965 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:28,965 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 18:21:29,095 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:29,096 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134815667] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 18:21:29,096 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 18:21:29,096 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-03-03 18:21:29,096 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610952893] [2022-03-03 18:21:29,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 18:21:29,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-03 18:21:29,096 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:29,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-03 18:21:29,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-03-03 18:21:29,097 INFO L87 Difference]: Start difference. First operand 794 states and 1465 transitions. Second operand has 23 states, 23 states have (on average 3.9565217391304346) internal successors, (91), 23 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:29,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:29,283 INFO L93 Difference]: Finished difference Result 809 states and 1480 transitions. [2022-03-03 18:21:29,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-03 18:21:29,283 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.9565217391304346) internal successors, (91), 23 states have internal predecessors, (91), 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 74 [2022-03-03 18:21:29,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:29,286 INFO L225 Difference]: With dead ends: 809 [2022-03-03 18:21:29,286 INFO L226 Difference]: Without dead ends: 809 [2022-03-03 18:21:29,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2022-03-03 18:21:29,288 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 40 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:29,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 670 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:21:29,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2022-03-03 18:21:29,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 809. [2022-03-03 18:21:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 802 states have (on average 1.8453865336658355) internal successors, (1480), 808 states have internal predecessors, (1480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:29,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1480 transitions. [2022-03-03 18:21:29,310 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1480 transitions. Word has length 74 [2022-03-03 18:21:29,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:29,311 INFO L470 AbstractCegarLoop]: Abstraction has 809 states and 1480 transitions. [2022-03-03 18:21:29,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.9565217391304346) internal successors, (91), 23 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:29,312 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1480 transitions. [2022-03-03 18:21:29,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-03-03 18:21:29,313 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:29,313 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:29,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-03 18:21:29,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 18:21:29,530 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:29,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:29,530 INFO L85 PathProgramCache]: Analyzing trace with hash -258743201, now seen corresponding path program 2 times [2022-03-03 18:21:29,530 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:29,530 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956722781] [2022-03-03 18:21:29,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:29,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:29,616 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:21:29,616 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:29,617 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956722781] [2022-03-03 18:21:29,617 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956722781] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:29,617 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:29,617 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:21:29,617 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536749289] [2022-03-03 18:21:29,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:29,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:21:29,617 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:29,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:21:29,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:21:29,618 INFO L87 Difference]: Start difference. First operand 809 states and 1480 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:29,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:29,736 INFO L93 Difference]: Finished difference Result 1008 states and 1818 transitions. [2022-03-03 18:21:29,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:21:29,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 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 89 [2022-03-03 18:21:29,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:29,739 INFO L225 Difference]: With dead ends: 1008 [2022-03-03 18:21:29,739 INFO L226 Difference]: Without dead ends: 861 [2022-03-03 18:21:29,740 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 [2022-03-03 18:21:29,740 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 96 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:29,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 194 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 18:21:29,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2022-03-03 18:21:29,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 744. [2022-03-03 18:21:29,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 737 states have (on average 1.7978290366350067) internal successors, (1325), 743 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:29,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1325 transitions. [2022-03-03 18:21:29,751 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1325 transitions. Word has length 89 [2022-03-03 18:21:29,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:29,751 INFO L470 AbstractCegarLoop]: Abstraction has 744 states and 1325 transitions. [2022-03-03 18:21:29,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:29,751 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1325 transitions. [2022-03-03 18:21:29,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-03-03 18:21:29,752 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:29,752 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:29,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-03 18:21:29,752 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:29,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:29,752 INFO L85 PathProgramCache]: Analyzing trace with hash 649089680, now seen corresponding path program 1 times [2022-03-03 18:21:29,753 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:29,753 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021248774] [2022-03-03 18:21:29,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:29,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 18:21:29,801 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-03 18:21:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 18:21:29,839 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-03 18:21:29,839 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-03 18:21:29,840 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-03-03 18:21:29,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-03-03 18:21:29,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-03-03 18:21:29,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-03-03 18:21:29,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-03-03 18:21:29,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-03-03 18:21:29,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-03-03 18:21:29,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-03 18:21:29,843 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1] [2022-03-03 18:21:29,846 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 18:21:29,846 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 18:21:29,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 06:21:29 BasicIcfg [2022-03-03 18:21:29,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 18:21:29,876 INFO L158 Benchmark]: Toolchain (without parser) took 5600.95ms. Allocated memory was 230.7MB in the beginning and 316.7MB in the end (delta: 86.0MB). Free memory was 178.4MB in the beginning and 272.8MB in the end (delta: -94.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 18:21:29,877 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 230.7MB. Free memory is still 196.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 18:21:29,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.87ms. Allocated memory is still 230.7MB. Free memory was 178.3MB in the beginning and 197.2MB in the end (delta: -18.9MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. [2022-03-03 18:21:29,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.32ms. Allocated memory is still 230.7MB. Free memory was 197.2MB in the beginning and 195.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 18:21:29,877 INFO L158 Benchmark]: Boogie Preprocessor took 18.43ms. Allocated memory is still 230.7MB. Free memory was 195.1MB in the beginning and 193.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-03 18:21:29,877 INFO L158 Benchmark]: RCFGBuilder took 317.64ms. Allocated memory is still 230.7MB. Free memory was 193.6MB in the beginning and 179.9MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-03 18:21:29,877 INFO L158 Benchmark]: TraceAbstraction took 4932.43ms. Allocated memory was 230.7MB in the beginning and 316.7MB in the end (delta: 86.0MB). Free memory was 179.4MB in the beginning and 272.8MB in the end (delta: -93.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 18:21:29,878 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 230.7MB. Free memory is still 196.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 284.87ms. Allocated memory is still 230.7MB. Free memory was 178.3MB in the beginning and 197.2MB in the end (delta: -18.9MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.32ms. Allocated memory is still 230.7MB. Free memory was 197.2MB in the beginning and 195.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.43ms. Allocated memory is still 230.7MB. Free memory was 195.1MB in the beginning and 193.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 317.64ms. Allocated memory is still 230.7MB. Free memory was 193.6MB in the beginning and 179.9MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4932.43ms. Allocated memory was 230.7MB in the beginning and 316.7MB in the end (delta: 86.0MB). Free memory was 179.4MB in the beginning and 272.8MB in the end (delta: -93.4MB). There was no memory consumed. 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: 693]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int data[10]; VAL [data={1:0}] [L680] 0 pthread_mutex_t m[10]; VAL [data={1:0}, m={2:0}] [L688] 0 int i = 0; VAL [data={1:0}, i=0, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=0, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=1, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=1, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=2, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=2, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=3, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=3, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=4, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=4, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=5, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=5, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=6, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=6, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=7, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=7, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=8, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=8, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=9, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=9, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=10, m={2:0}] [L688] COND FALSE 0 !(i < 10) VAL [data={1:0}, i=10, m={2:0}] [L690] 0 pthread_t id; VAL [data={1:0}, i=10, id={3:0}, m={2:0}] [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, i=10, id={3:0}, m={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L693] EXPR 0 data[4] VAL [arg={0:0}, data={1:0}, data[4]=0, i=10, id={3:0}, m={2:0}] [L693] 0 data[4]++ VAL [arg={0:0}, data={1:0}, data[4]=0, data[4]++=0, data[4]++=241, i=10, id={3:0}, m={2:0}] [L683] EXPR 1 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=1, m={2:0}] [L683] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=1, m={2:0}] [L693] 0 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]=1, data[4]++=241, data[4]++=0, i=10, id={3:0}, m={2:0}] 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: data[4]++ [693] * C: data[4]++ [693] * C: data[4]++ [693] * C: data[4]++ [693] * C: data[4]++ [683] and C: data[4]++ [693] - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: 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: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 683]: 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, 109 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 9, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 493 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 493 mSDsluCounter, 2407 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1728 mSDsCounter, 159 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 783 IncrementalHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 159 mSolverCounterUnsat, 699 mSDtfsCounter, 783 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 535 GetRequests, 420 SyntacticMatches, 1 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=887occurred in iteration=5, InterpolantAutomatonStates: 83, 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, 8 MinimizatonAttempts, 594 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 803 NumberOfCodeBlocks, 753 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 855 ConstructedInterpolants, 0 QuantifiedInterpolants, 1576 SizeOfPredicates, 22 NumberOfNonLiveVariables, 686 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 365/888 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-03 18:21:29,932 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...