/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_03-fld_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 23:42:38,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 23:42:38,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 23:42:38,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 23:42:38,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 23:42:38,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 23:42:38,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 23:42:38,156 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-10 23:42:38,185 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 23:42:38,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 23:42:38,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 23:42:38,186 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 23:42:38,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 23:42:38,187 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 23:42:38,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 23:42:38,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 23:42:38,187 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 23:42:38,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 23:42:38,188 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 23:42:38,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 23:42:38,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 23:42:38,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 23:42:38,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 23:42:38,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 23:42:38,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 23:42:38,189 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 23:42:38,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 23:42:38,189 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 23:42:38,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 23:42:38,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 23:42:38,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 23:42:38,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 23:42:38,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 23:42:38,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:42:38,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 23:42:38,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 23:42:38,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 23:42:38,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 23:42:38,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 23:42:38,191 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 23:42:38,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 23:42:38,191 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-10 23:42:38,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 23:42:38,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 23:42:38,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 23:42:38,397 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 23:42:38,397 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 23:42:38,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_03-fld_rc.i [2022-02-10 23:42:38,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61d89ff36/1e895b98c0ea46ab8258d1fdbf6291b2/FLAG2cb71014f [2022-02-10 23:42:38,816 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 23:42:38,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_03-fld_rc.i [2022-02-10 23:42:38,825 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61d89ff36/1e895b98c0ea46ab8258d1fdbf6291b2/FLAG2cb71014f [2022-02-10 23:42:39,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61d89ff36/1e895b98c0ea46ab8258d1fdbf6291b2 [2022-02-10 23:42:39,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 23:42:39,209 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 23:42:39,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 23:42:39,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 23:42:39,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 23:42:39,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:42:39" (1/1) ... [2022-02-10 23:42:39,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69cae6f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:39, skipping insertion in model container [2022-02-10 23:42:39,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:42:39" (1/1) ... [2022-02-10 23:42:39,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 23:42:39,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 23:42:39,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:42:39,681 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 23:42:39,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:42:39,785 INFO L208 MainTranslator]: Completed translation [2022-02-10 23:42:39,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:39 WrapperNode [2022-02-10 23:42:39,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 23:42:39,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 23:42:39,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 23:42:39,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 23:42:39,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:39" (1/1) ... [2022-02-10 23:42:39,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:39" (1/1) ... [2022-02-10 23:42:39,871 INFO L137 Inliner]: procedures = 162, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2022-02-10 23:42:39,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 23:42:39,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 23:42:39,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 23:42:39,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 23:42:39,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:39" (1/1) ... [2022-02-10 23:42:39,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:39" (1/1) ... [2022-02-10 23:42:39,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:39" (1/1) ... [2022-02-10 23:42:39,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:39" (1/1) ... [2022-02-10 23:42:39,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:39" (1/1) ... [2022-02-10 23:42:39,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:39" (1/1) ... [2022-02-10 23:42:39,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:39" (1/1) ... [2022-02-10 23:42:39,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 23:42:39,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 23:42:39,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 23:42:39,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 23:42:39,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:39" (1/1) ... [2022-02-10 23:42:39,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:42:39,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:42:39,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 23:42:39,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 23:42:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 23:42:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 23:42:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 23:42:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 23:42:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 23:42:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 23:42:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 23:42:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 23:42:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 23:42:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 23:42:40,004 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 23:42:40,134 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 23:42:40,135 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 23:42:40,251 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 23:42:40,257 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 23:42:40,257 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 23:42:40,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:42:40 BoogieIcfgContainer [2022-02-10 23:42:40,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 23:42:40,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 23:42:40,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 23:42:40,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 23:42:40,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 11:42:39" (1/3) ... [2022-02-10 23:42:40,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156d9576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:42:40, skipping insertion in model container [2022-02-10 23:42:40,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:39" (2/3) ... [2022-02-10 23:42:40,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156d9576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:42:40, skipping insertion in model container [2022-02-10 23:42:40,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:42:40" (3/3) ... [2022-02-10 23:42:40,267 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_03-fld_rc.i [2022-02-10 23:42:40,272 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 23:42:40,272 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 23:42:40,272 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-10 23:42:40,272 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 23:42:40,309 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,309 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,309 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,309 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,311 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,311 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,311 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,311 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,311 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,312 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,312 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,312 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,312 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,313 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,313 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,313 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,313 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,313 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,314 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,314 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,314 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,314 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,314 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,314 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,315 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,315 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,315 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,315 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,315 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,315 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,316 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,316 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,323 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,323 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,323 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,324 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,324 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,324 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,324 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:40,327 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 23:42:40,356 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 23:42:40,360 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, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 23:42:40,360 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-10 23:42:40,367 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 72 places, 68 transitions, 141 flow [2022-02-10 23:42:40,408 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 382 states, 374 states have (on average 1.858288770053476) internal successors, (695), 381 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:40,411 INFO L276 IsEmpty]: Start isEmpty. Operand has 382 states, 374 states have (on average 1.858288770053476) internal successors, (695), 381 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:40,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-02-10 23:42:40,415 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:40,415 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:40,416 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:42:40,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:40,419 INFO L85 PathProgramCache]: Analyzing trace with hash 657575318, now seen corresponding path program 1 times [2022-02-10 23:42:40,425 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:40,426 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751497757] [2022-02-10 23:42:40,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:40,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:40,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:40,598 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:40,599 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751497757] [2022-02-10 23:42:40,600 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751497757] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:40,600 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:40,600 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:42:40,601 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988628817] [2022-02-10 23:42:40,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:40,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:42:40,605 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:40,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:42:40,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:40,637 INFO L87 Difference]: Start difference. First operand has 382 states, 374 states have (on average 1.858288770053476) internal successors, (695), 381 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:40,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:40,683 INFO L93 Difference]: Finished difference Result 462 states and 845 transitions. [2022-02-10 23:42:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:42:40,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-02-10 23:42:40,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:40,695 INFO L225 Difference]: With dead ends: 462 [2022-02-10 23:42:40,695 INFO L226 Difference]: Without dead ends: 462 [2022-02-10 23:42:40,696 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:40,698 INFO L934 BasicCegarLoop]: 87 mSDtfsCounter, 33 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:40,699 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 141 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:42:40,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2022-02-10 23:42:40,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 382. [2022-02-10 23:42:40,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 375 states have (on average 1.848) internal successors, (693), 381 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:40,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 693 transitions. [2022-02-10 23:42:40,746 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 693 transitions. Word has length 33 [2022-02-10 23:42:40,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:40,747 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 693 transitions. [2022-02-10 23:42:40,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:40,747 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 693 transitions. [2022-02-10 23:42:40,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-10 23:42:40,748 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:40,748 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:40,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 23:42:40,749 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:42:40,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:40,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1968811495, now seen corresponding path program 1 times [2022-02-10 23:42:40,749 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:40,750 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227679040] [2022-02-10 23:42:40,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:40,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:40,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:40,797 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:40,797 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227679040] [2022-02-10 23:42:40,797 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227679040] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:40,797 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:40,797 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:42:40,797 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828656066] [2022-02-10 23:42:40,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:40,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:42:40,799 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:40,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:42:40,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:40,799 INFO L87 Difference]: Start difference. First operand 382 states and 693 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:40,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:40,825 INFO L93 Difference]: Finished difference Result 405 states and 726 transitions. [2022-02-10 23:42:40,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:42:40,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-02-10 23:42:40,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:40,827 INFO L225 Difference]: With dead ends: 405 [2022-02-10 23:42:40,827 INFO L226 Difference]: Without dead ends: 305 [2022-02-10 23:42:40,828 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:40,829 INFO L934 BasicCegarLoop]: 82 mSDtfsCounter, 22 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:40,829 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 134 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:42:40,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-02-10 23:42:40,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 291. [2022-02-10 23:42:40,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 285 states have (on average 1.7543859649122806) internal successors, (500), 290 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:40,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 500 transitions. [2022-02-10 23:42:40,843 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 500 transitions. Word has length 38 [2022-02-10 23:42:40,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:40,844 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 500 transitions. [2022-02-10 23:42:40,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:40,844 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 500 transitions. [2022-02-10 23:42:40,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-10 23:42:40,845 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:40,845 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:40,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 23:42:40,846 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:42:40,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:40,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1078270459, now seen corresponding path program 1 times [2022-02-10 23:42:40,846 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:40,846 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680611708] [2022-02-10 23:42:40,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:40,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:40,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:40,885 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:40,886 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680611708] [2022-02-10 23:42:40,886 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680611708] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:40,886 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:40,886 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:42:40,886 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313257283] [2022-02-10 23:42:40,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:40,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:42:40,887 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:40,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:42:40,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:40,887 INFO L87 Difference]: Start difference. First operand 291 states and 500 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:40,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:40,909 INFO L93 Difference]: Finished difference Result 293 states and 493 transitions. [2022-02-10 23:42:40,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:42:40,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-02-10 23:42:40,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:40,911 INFO L225 Difference]: With dead ends: 293 [2022-02-10 23:42:40,911 INFO L226 Difference]: Without dead ends: 227 [2022-02-10 23:42:40,911 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:40,912 INFO L934 BasicCegarLoop]: 77 mSDtfsCounter, 17 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:40,913 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 127 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:42:40,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-02-10 23:42:40,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2022-02-10 23:42:40,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 223 states have (on average 1.600896860986547) internal successors, (357), 226 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:40,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 357 transitions. [2022-02-10 23:42:40,919 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 357 transitions. Word has length 39 [2022-02-10 23:42:40,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:40,920 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 357 transitions. [2022-02-10 23:42:40,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:42:40,920 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 357 transitions. [2022-02-10 23:42:40,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-10 23:42:40,921 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:40,921 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:40,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 23:42:40,921 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:42:40,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:40,922 INFO L85 PathProgramCache]: Analyzing trace with hash 2035827649, now seen corresponding path program 1 times [2022-02-10 23:42:40,922 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:40,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504072657] [2022-02-10 23:42:40,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:40,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 23:42:40,942 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 23:42:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 23:42:40,967 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 23:42:40,967 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 23:42:40,968 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-10 23:42:40,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-10 23:42:40,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2022-02-10 23:42:40,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 7 remaining) [2022-02-10 23:42:40,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-10 23:42:40,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-10 23:42:40,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-10 23:42:40,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 23:42:40,972 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-10 23:42:40,975 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 23:42:40,975 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 23:42:40,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 11:42:40 BasicIcfg [2022-02-10 23:42:40,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 23:42:40,994 INFO L158 Benchmark]: Toolchain (without parser) took 1785.23ms. Allocated memory is still 213.9MB. Free memory was 156.7MB in the beginning and 93.3MB in the end (delta: 63.4MB). Peak memory consumption was 62.5MB. Max. memory is 8.0GB. [2022-02-10 23:42:40,994 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 213.9MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 23:42:40,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.61ms. Allocated memory is still 213.9MB. Free memory was 156.6MB in the beginning and 176.6MB in the end (delta: -20.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-10 23:42:40,995 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.43ms. Allocated memory is still 213.9MB. Free memory was 176.6MB in the beginning and 174.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 23:42:40,995 INFO L158 Benchmark]: Boogie Preprocessor took 43.99ms. Allocated memory is still 213.9MB. Free memory was 174.2MB in the beginning and 173.0MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 23:42:40,996 INFO L158 Benchmark]: RCFGBuilder took 342.55ms. Allocated memory is still 213.9MB. Free memory was 173.0MB in the beginning and 161.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-10 23:42:40,996 INFO L158 Benchmark]: TraceAbstraction took 734.09ms. Allocated memory is still 213.9MB. Free memory was 160.9MB in the beginning and 93.3MB in the end (delta: 67.6MB). Peak memory consumption was 67.1MB. Max. memory is 8.0GB. [2022-02-10 23:42:40,998 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 213.9MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 562.61ms. Allocated memory is still 213.9MB. Free memory was 156.6MB in the beginning and 176.6MB in the end (delta: -20.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 84.43ms. Allocated memory is still 213.9MB. Free memory was 176.6MB in the beginning and 174.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.99ms. Allocated memory is still 213.9MB. Free memory was 174.2MB in the beginning and 173.0MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 342.55ms. Allocated memory is still 213.9MB. Free memory was 173.0MB in the beginning and 161.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 734.09ms. Allocated memory is still 213.9MB. Free memory was 160.9MB in the beginning and 93.3MB in the end (delta: 67.6MB). Peak memory consumption was 67.1MB. 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: 686]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int glob; VAL [glob=0] [L680-L683] 0 struct { pthread_mutex_t x; pthread_mutex_t y; } m; VAL [glob=0, m={1:0}] [L693] 0 pthread_t id; VAL [glob=0, id={2:0}, m={1:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, id={2:0}, m={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L686] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, glob++=0, m={1:0}] [L686] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=49, glob++=0, m={1:0}] [L696] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=49, glob++=0, id={2:0}, m={1:0}] [L686] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=49, glob++=0, m={1:0}] Now there is a data race on ~glob~0 between C: glob++ [696] and C: glob++ [686] - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: 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: 686]: 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, 88 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 72 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 402 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 158 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 246 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=382occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 94 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-10 23:42:41,037 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...