/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_08-glob_fld_2_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 16:48:55,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 16:48:55,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 16:48:55,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 16:48:55,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 16:48:55,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 16:48:55,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 16:48:55,385 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 [2022-03-01 16:48:55,399 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 16:48:55,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 16:48:55,400 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 16:48:55,400 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 16:48:55,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 16:48:55,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 16:48:55,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 16:48:55,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 16:48:55,401 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 16:48:55,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 16:48:55,401 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 16:48:55,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 16:48:55,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 16:48:55,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 16:48:55,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 16:48:55,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 16:48:55,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 16:48:55,401 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 16:48:55,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 16:48:55,402 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 16:48:55,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 16:48:55,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 16:48:55,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 16:48:55,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 16:48:55,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 16:48:55,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:48:55,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 16:48:55,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 16:48:55,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 16:48:55,402 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 16:48:55,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 16:48:55,403 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 16:48:55,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 16:48:55,403 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-01 16:48:55,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 16:48:55,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 16:48:55,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 16:48:55,605 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 16:48:55,606 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 16:48:55,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2022-03-01 16:48:55,648 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fdfe4840/16ef4dbe61dc47dcbfd566dd140c4361/FLAG8369ba1bf [2022-03-01 16:48:56,047 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 16:48:56,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2022-03-01 16:48:56,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fdfe4840/16ef4dbe61dc47dcbfd566dd140c4361/FLAG8369ba1bf [2022-03-01 16:48:56,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fdfe4840/16ef4dbe61dc47dcbfd566dd140c4361 [2022-03-01 16:48:56,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 16:48:56,074 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 16:48:56,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 16:48:56,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 16:48:56,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 16:48:56,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:48:56" (1/1) ... [2022-03-01 16:48:56,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689c21ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:56, skipping insertion in model container [2022-03-01 16:48:56,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:48:56" (1/1) ... [2022-03-01 16:48:56,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 16:48:56,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 16:48:56,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:48:56,299 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 16:48:56,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:48:56,346 INFO L208 MainTranslator]: Completed translation [2022-03-01 16:48:56,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:56 WrapperNode [2022-03-01 16:48:56,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 16:48:56,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 16:48:56,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 16:48:56,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 16:48:56,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:56" (1/1) ... [2022-03-01 16:48:56,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:56" (1/1) ... [2022-03-01 16:48:56,373 INFO L137 Inliner]: procedures = 161, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2022-03-01 16:48:56,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 16:48:56,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 16:48:56,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 16:48:56,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 16:48:56,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:56" (1/1) ... [2022-03-01 16:48:56,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:56" (1/1) ... [2022-03-01 16:48:56,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:56" (1/1) ... [2022-03-01 16:48:56,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:56" (1/1) ... [2022-03-01 16:48:56,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:56" (1/1) ... [2022-03-01 16:48:56,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:56" (1/1) ... [2022-03-01 16:48:56,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:56" (1/1) ... [2022-03-01 16:48:56,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 16:48:56,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 16:48:56,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 16:48:56,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 16:48:56,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:56" (1/1) ... [2022-03-01 16:48:56,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:48:56,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:48:56,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-01 16:48:56,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-01 16:48:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 16:48:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 16:48:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 16:48:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 16:48:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-01 16:48:56,442 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-01 16:48:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 16:48:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 16:48:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 16:48:56,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 16:48:56,443 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 16:48:56,555 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 16:48:56,556 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 16:48:56,671 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 16:48:56,675 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 16:48:56,676 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 16:48:56,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:48:56 BoogieIcfgContainer [2022-03-01 16:48:56,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 16:48:56,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 16:48:56,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 16:48:56,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 16:48:56,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 04:48:56" (1/3) ... [2022-03-01 16:48:56,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5212de6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:48:56, skipping insertion in model container [2022-03-01 16:48:56,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:48:56" (2/3) ... [2022-03-01 16:48:56,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5212de6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:48:56, skipping insertion in model container [2022-03-01 16:48:56,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:48:56" (3/3) ... [2022-03-01 16:48:56,684 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_08-glob_fld_2_rc.i [2022-03-01 16:48:56,687 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 16:48:56,687 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 16:48:56,687 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-01 16:48:56,687 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 16:48:56,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,711 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,711 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,712 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,712 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,718 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,718 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,718 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,718 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,729 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,729 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,732 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,732 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:48:56,732 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 16:48:56,764 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 16:48:56,769 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 [2022-03-01 16:48:56,769 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-03-01 16:48:56,777 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 106 places, 99 transitions, 208 flow [2022-03-01 16:48:57,097 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 15594 states, 15568 states have (on average 2.8708247687564232) internal successors, (44693), 15593 states have internal predecessors, (44693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:57,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 15594 states, 15568 states have (on average 2.8708247687564232) internal successors, (44693), 15593 states have internal predecessors, (44693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:57,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-03-01 16:48:57,148 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:57,149 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] [2022-03-01 16:48:57,149 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-03-01 16:48:57,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:57,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1717480794, now seen corresponding path program 1 times [2022-03-01 16:48:57,162 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:57,163 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272023603] [2022-03-01 16:48:57,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:57,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:48:57,421 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:57,421 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272023603] [2022-03-01 16:48:57,422 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272023603] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:48:57,422 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:48:57,422 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:48:57,423 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936263194] [2022-03-01 16:48:57,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:48:57,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:48:57,426 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:57,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:48:57,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:48:57,489 INFO L87 Difference]: Start difference. First operand has 15594 states, 15568 states have (on average 2.8708247687564232) internal successors, (44693), 15593 states have internal predecessors, (44693), 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 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:58,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:58,240 INFO L93 Difference]: Finished difference Result 25518 states and 73060 transitions. [2022-03-01 16:48:58,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:48:58,242 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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 25 [2022-03-01 16:48:58,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:58,481 INFO L225 Difference]: With dead ends: 25518 [2022-03-01 16:48:58,481 INFO L226 Difference]: Without dead ends: 25518 [2022-03-01 16:48:58,483 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 [2022-03-01 16:48:58,486 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 222 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:58,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 480 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:48:58,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25518 states. [2022-03-01 16:48:59,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25518 to 18078. [2022-03-01 16:48:59,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18078 states, 18055 states have (on average 2.8905012461921906) internal successors, (52188), 18077 states have internal predecessors, (52188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:59,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18078 states to 18078 states and 52188 transitions. [2022-03-01 16:48:59,221 INFO L78 Accepts]: Start accepts. Automaton has 18078 states and 52188 transitions. Word has length 25 [2022-03-01 16:48:59,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:48:59,222 INFO L470 AbstractCegarLoop]: Abstraction has 18078 states and 52188 transitions. [2022-03-01 16:48:59,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:59,222 INFO L276 IsEmpty]: Start isEmpty. Operand 18078 states and 52188 transitions. [2022-03-01 16:48:59,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-03-01 16:48:59,224 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:48:59,224 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] [2022-03-01 16:48:59,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 16:48:59,224 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-03-01 16:48:59,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:48:59,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1637372685, now seen corresponding path program 1 times [2022-03-01 16:48:59,225 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:48:59,225 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323858853] [2022-03-01 16:48:59,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:48:59,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:48:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:48:59,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:48:59,443 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:48:59,444 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323858853] [2022-03-01 16:48:59,444 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323858853] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:48:59,444 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:48:59,444 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:48:59,444 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797068910] [2022-03-01 16:48:59,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:48:59,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:48:59,445 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:48:59,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:48:59,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:48:59,446 INFO L87 Difference]: Start difference. First operand 18078 states and 52188 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:48:59,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:48:59,900 INFO L93 Difference]: Finished difference Result 17466 states and 50394 transitions. [2022-03-01 16:48:59,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:48:59,901 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 32 [2022-03-01 16:48:59,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:48:59,950 INFO L225 Difference]: With dead ends: 17466 [2022-03-01 16:48:59,950 INFO L226 Difference]: Without dead ends: 17466 [2022-03-01 16:48:59,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:48:59,954 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 116 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:48:59,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 328 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:48:59,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17466 states. [2022-03-01 16:49:00,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17466 to 17466. [2022-03-01 16:49:00,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17466 states, 17451 states have (on average 2.8877428227608735) internal successors, (50394), 17465 states have internal predecessors, (50394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17466 states to 17466 states and 50394 transitions. [2022-03-01 16:49:00,423 INFO L78 Accepts]: Start accepts. Automaton has 17466 states and 50394 transitions. Word has length 32 [2022-03-01 16:49:00,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:00,424 INFO L470 AbstractCegarLoop]: Abstraction has 17466 states and 50394 transitions. [2022-03-01 16:49:00,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 17466 states and 50394 transitions. [2022-03-01 16:49:00,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-03-01 16:49:00,429 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:00,429 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:00,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 16:49:00,430 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-03-01 16:49:00,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:00,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1794345567, now seen corresponding path program 1 times [2022-03-01 16:49:00,430 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:00,431 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514095689] [2022-03-01 16:49:00,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:00,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:00,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:00,566 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:00,566 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514095689] [2022-03-01 16:49:00,566 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514095689] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:00,567 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:00,567 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:49:00,567 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367187749] [2022-03-01 16:49:00,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:00,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:00,568 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:00,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:00,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:00,569 INFO L87 Difference]: Start difference. First operand 17466 states and 50394 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 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) [2022-03-01 16:49:01,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:01,001 INFO L93 Difference]: Finished difference Result 25538 states and 73367 transitions. [2022-03-01 16:49:01,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:01,002 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 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 [2022-03-01 16:49:01,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:01,091 INFO L225 Difference]: With dead ends: 25538 [2022-03-01 16:49:01,091 INFO L226 Difference]: Without dead ends: 24242 [2022-03-01 16:49:01,091 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 [2022-03-01 16:49:01,092 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 186 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:01,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 366 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:01,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24242 states. [2022-03-01 16:49:01,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24242 to 18613. [2022-03-01 16:49:01,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18613 states, 18598 states have (on average 2.886224325196258) internal successors, (53678), 18612 states have internal predecessors, (53678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:01,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18613 states to 18613 states and 53678 transitions. [2022-03-01 16:49:01,529 INFO L78 Accepts]: Start accepts. Automaton has 18613 states and 53678 transitions. Word has length 33 [2022-03-01 16:49:01,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:01,529 INFO L470 AbstractCegarLoop]: Abstraction has 18613 states and 53678 transitions. [2022-03-01 16:49:01,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 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) [2022-03-01 16:49:01,529 INFO L276 IsEmpty]: Start isEmpty. Operand 18613 states and 53678 transitions. [2022-03-01 16:49:01,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-03-01 16:49:01,532 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:01,532 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:01,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 16:49:01,532 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-03-01 16:49:01,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:01,533 INFO L85 PathProgramCache]: Analyzing trace with hash 517297037, now seen corresponding path program 1 times [2022-03-01 16:49:01,533 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:01,533 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971751559] [2022-03-01 16:49:01,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:01,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:01,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:01,602 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:01,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971751559] [2022-03-01 16:49:01,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971751559] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:01,602 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:01,602 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:49:01,603 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190843576] [2022-03-01 16:49:01,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:01,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:01,603 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:01,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:01,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:01,603 INFO L87 Difference]: Start difference. First operand 18613 states and 53678 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 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) [2022-03-01 16:49:02,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:02,029 INFO L93 Difference]: Finished difference Result 25740 states and 73519 transitions. [2022-03-01 16:49:02,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:02,030 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 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 [2022-03-01 16:49:02,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:02,089 INFO L225 Difference]: With dead ends: 25740 [2022-03-01 16:49:02,089 INFO L226 Difference]: Without dead ends: 24444 [2022-03-01 16:49:02,089 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 [2022-03-01 16:49:02,090 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 156 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:02,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 315 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:02,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24444 states. [2022-03-01 16:49:02,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24444 to 19244. [2022-03-01 16:49:02,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19244 states, 19229 states have (on average 2.8683758905819334) internal successors, (55156), 19243 states have internal predecessors, (55156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:02,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19244 states to 19244 states and 55156 transitions. [2022-03-01 16:49:02,685 INFO L78 Accepts]: Start accepts. Automaton has 19244 states and 55156 transitions. Word has length 39 [2022-03-01 16:49:02,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:02,685 INFO L470 AbstractCegarLoop]: Abstraction has 19244 states and 55156 transitions. [2022-03-01 16:49:02,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 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) [2022-03-01 16:49:02,685 INFO L276 IsEmpty]: Start isEmpty. Operand 19244 states and 55156 transitions. [2022-03-01 16:49:02,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-03-01 16:49:02,689 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:02,689 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:02,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 16:49:02,689 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-03-01 16:49:02,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:02,691 INFO L85 PathProgramCache]: Analyzing trace with hash -372314589, now seen corresponding path program 1 times [2022-03-01 16:49:02,691 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:02,691 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721632602] [2022-03-01 16:49:02,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:02,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:02,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:02,756 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:02,757 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721632602] [2022-03-01 16:49:02,757 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721632602] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:02,757 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:02,757 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:49:02,757 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803002788] [2022-03-01 16:49:02,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:02,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:02,757 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:02,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:02,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:02,758 INFO L87 Difference]: Start difference. First operand 19244 states and 55156 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:03,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:03,033 INFO L93 Difference]: Finished difference Result 18496 states and 52956 transitions. [2022-03-01 16:49:03,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:03,034 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-03-01 16:49:03,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:03,060 INFO L225 Difference]: With dead ends: 18496 [2022-03-01 16:49:03,060 INFO L226 Difference]: Without dead ends: 15004 [2022-03-01 16:49:03,060 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 [2022-03-01 16:49:03,061 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 118 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:03,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 307 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:03,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15004 states. [2022-03-01 16:49:03,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15004 to 15004. [2022-03-01 16:49:03,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15004 states, 14997 states have (on average 2.8152297126091885) internal successors, (42220), 15003 states have internal predecessors, (42220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:03,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15004 states to 15004 states and 42220 transitions. [2022-03-01 16:49:03,393 INFO L78 Accepts]: Start accepts. Automaton has 15004 states and 42220 transitions. Word has length 40 [2022-03-01 16:49:03,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:03,393 INFO L470 AbstractCegarLoop]: Abstraction has 15004 states and 42220 transitions. [2022-03-01 16:49:03,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:03,393 INFO L276 IsEmpty]: Start isEmpty. Operand 15004 states and 42220 transitions. [2022-03-01 16:49:03,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-03-01 16:49:03,397 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:03,397 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:03,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-01 16:49:03,397 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-03-01 16:49:03,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:03,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1417899632, now seen corresponding path program 1 times [2022-03-01 16:49:03,398 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:03,398 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098930908] [2022-03-01 16:49:03,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:03,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 16:49:03,418 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 16:49:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 16:49:03,452 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 16:49:03,453 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 16:49:03,453 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2022-03-01 16:49:03,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2022-03-01 16:49:03,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2022-03-01 16:49:03,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 10 remaining) [2022-03-01 16:49:03,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (5 of 10 remaining) [2022-03-01 16:49:03,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2022-03-01 16:49:03,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2022-03-01 16:49:03,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2022-03-01 16:49:03,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2022-03-01 16:49:03,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2022-03-01 16:49:03,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-01 16:49:03,462 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-03-01 16:49:03,466 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 16:49:03,466 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 16:49:03,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 04:49:03 BasicIcfg [2022-03-01 16:49:03,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 16:49:03,497 INFO L158 Benchmark]: Toolchain (without parser) took 7423.73ms. Allocated memory was 196.1MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 144.0MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 446.3MB. Max. memory is 8.0GB. [2022-03-01 16:49:03,498 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory is still 161.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 16:49:03,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.34ms. Allocated memory is still 196.1MB. Free memory was 143.8MB in the beginning and 163.1MB in the end (delta: -19.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-03-01 16:49:03,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.83ms. Allocated memory is still 196.1MB. Free memory was 163.1MB in the beginning and 161.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 16:49:03,498 INFO L158 Benchmark]: Boogie Preprocessor took 15.89ms. Allocated memory is still 196.1MB. Free memory was 161.1MB in the beginning and 159.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 16:49:03,498 INFO L158 Benchmark]: RCFGBuilder took 286.93ms. Allocated memory is still 196.1MB. Free memory was 159.4MB in the beginning and 147.3MB in the end (delta: 12.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-01 16:49:03,499 INFO L158 Benchmark]: TraceAbstraction took 6819.09ms. Allocated memory was 196.1MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 146.9MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 448.4MB. Max. memory is 8.0GB. [2022-03-01 16:49:03,500 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 196.1MB. Free memory is still 161.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 272.34ms. Allocated memory is still 196.1MB. Free memory was 143.8MB in the beginning and 163.1MB in the end (delta: -19.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.83ms. Allocated memory is still 196.1MB. Free memory was 163.1MB in the beginning and 161.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.89ms. Allocated memory is still 196.1MB. Free memory was 161.1MB in the beginning and 159.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 286.93ms. Allocated memory is still 196.1MB. Free memory was 159.4MB in the beginning and 147.3MB in the end (delta: 12.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 6819.09ms. Allocated memory was 196.1MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 146.9MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 448.4MB. 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: 684]: Data race detected Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; VAL [data={1:0}] [L688] 0 pthread_t id, id2; VAL [data={1:0}, id={5:0}, id={6:0}] [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={5:0}, id={6:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L684] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L690] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, id={6:0}, id={5:0}, pthread_create(&id2, ((void *)0), t_fun, ((void *)0))=0] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0data.x++=9] [L684] EXPR 2 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, data.x++=0data.x++=9] [L684] 2 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, data.x++=0data.x++=9] 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.x++ [684] * C: data.x++ [684] * C: data.x++ [684] * C: data.x++ [684] and C: data.x++ [684] - UnprovableResult [Line: 691]: 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 there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: 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: 689]: 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: 684]: 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 4 procedures, 125 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 798 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 798 mSDsluCounter, 1796 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 982 mSDsCounter, 342 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1691 IncrementalHoareTripleChecker+Invalid, 2033 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 342 mSolverCounterUnsat, 838 mSDtfsCounter, 1691 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19244occurred in iteration=4, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 18269 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 585 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-01 16:49:03,538 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...