/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 [2022-03-03 18:21:23,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 18:21:23,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 18:21:23,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-03 18:21:23,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 18:21:23,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 18:21:23,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 18:21:23,185 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-03 18:21:23,204 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 18:21:23,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 18:21:23,204 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 18:21:23,204 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 18:21:23,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 18:21:23,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 18:21:23,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 18:21:23,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 18:21:23,206 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 18:21:23,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 18:21:23,206 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 18:21:23,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 18:21:23,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 18:21:23,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 18:21:23,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 18:21:23,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 18:21:23,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 18:21:23,207 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 18:21:23,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 18:21:23,207 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 18:21:23,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 18:21:23,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 18:21:23,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 18:21:23,208 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 18:21:23,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 18:21:23,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:21:23,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 18:21:23,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 18:21:23,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 18:21:23,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 18:21:23,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 18:21:23,209 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 18:21:23,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 18:21:23,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-03 18:21:23,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 18:21:23,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 18:21:23,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 18:21:23,435 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 18:21:23,435 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 18:21:23,436 INFO L432 ainManager$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 [2022-03-03 18:21:23,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e156c53/a581af4ce699470d8cefc91105329691/FLAG93ff6960f [2022-03-03 18:21:23,910 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 18:21:23,911 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2022-03-03 18:21:23,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e156c53/a581af4ce699470d8cefc91105329691/FLAG93ff6960f [2022-03-03 18:21:24,245 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e156c53/a581af4ce699470d8cefc91105329691 [2022-03-03 18:21:24,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 18:21:24,248 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 18:21:24,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 18:21:24,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 18:21:24,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 18:21:24,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d0ba02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24, skipping insertion in model container [2022-03-03 18:21:24,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 18:21:24,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 18:21:24,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:21:24,592 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 18:21:24,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:21:24,676 INFO L208 MainTranslator]: Completed translation [2022-03-03 18:21:24,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24 WrapperNode [2022-03-03 18:21:24,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 18:21:24,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 18:21:24,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 18:21:24,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 18:21:24,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,734 INFO L137 Inliner]: procedures = 161, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2022-03-03 18:21:24,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 18:21:24,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 18:21:24,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 18:21:24,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 18:21:24,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 18:21:24,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 18:21:24,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 18:21:24,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 18:21:24,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (1/1) ... [2022-03-03 18:21:24,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:21:24,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:21:24,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-03 18:21:24,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-03 18:21:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-03 18:21:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 18:21:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 18:21:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 18:21:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-03 18:21:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-03 18:21:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 18:21:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 18:21:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 18:21:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 18:21:24,857 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 18:21:24,990 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 18:21:24,991 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 18:21:25,169 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 18:21:25,175 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 18:21:25,175 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-03 18:21:25,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:21:25 BoogieIcfgContainer [2022-03-03 18:21:25,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 18:21:25,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 18:21:25,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 18:21:25,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 18:21:25,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 06:21:24" (1/3) ... [2022-03-03 18:21:25,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7815d760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:21:25, skipping insertion in model container [2022-03-03 18:21:25,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:24" (2/3) ... [2022-03-03 18:21:25,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7815d760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:21:25, skipping insertion in model container [2022-03-03 18:21:25,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:21:25" (3/3) ... [2022-03-03 18:21:25,196 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_08-glob_fld_2_rc.i [2022-03-03 18:21:25,200 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 18:21:25,200 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 18:21:25,201 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-03 18:21:25,201 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 18:21:25,251 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,251 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,251 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,251 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,252 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,252 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,252 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,252 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,253 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,253 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,263 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,277 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,278 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,278 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,278 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,279 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,279 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,302 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,302 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,307 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,307 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,308 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,309 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:25,311 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-03 18:21:25,358 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 18:21:25,371 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-03 18:21:25,375 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-03-03 18:21:25,391 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 106 places, 99 transitions, 208 flow [2022-03-03 18:21:25,884 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) [2022-03-03 18:21:25,936 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) [2022-03-03 18:21:25,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-03-03 18:21:25,983 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:25,983 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] [2022-03-03 18:21:25,984 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-03-03 18:21:25,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:25,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1717480794, now seen corresponding path program 1 times [2022-03-03 18:21:25,998 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:25,998 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570286751] [2022-03-03 18:21:25,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:25,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:26,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:26,309 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:26,310 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570286751] [2022-03-03 18:21:26,310 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570286751] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:26,310 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:26,310 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:21:26,312 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002379926] [2022-03-03 18:21:26,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:26,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:21:26,316 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:26,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:21:26,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:21:26,375 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) [2022-03-03 18:21:27,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:27,208 INFO L93 Difference]: Finished difference Result 25518 states and 73060 transitions. [2022-03-03 18:21:27,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:21:27,211 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 [2022-03-03 18:21:27,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:27,373 INFO L225 Difference]: With dead ends: 25518 [2022-03-03 18:21:27,373 INFO L226 Difference]: Without dead ends: 25518 [2022-03-03 18:21:27,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:21:27,377 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:27,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 480 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:27,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25518 states. [2022-03-03 18:21:28,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25518 to 18078. [2022-03-03 18:21:28,124 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) [2022-03-03 18:21:28,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18078 states to 18078 states and 52188 transitions. [2022-03-03 18:21:28,196 INFO L78 Accepts]: Start accepts. Automaton has 18078 states and 52188 transitions. Word has length 25 [2022-03-03 18:21:28,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:28,196 INFO L470 AbstractCegarLoop]: Abstraction has 18078 states and 52188 transitions. [2022-03-03 18:21:28,197 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) [2022-03-03 18:21:28,197 INFO L276 IsEmpty]: Start isEmpty. Operand 18078 states and 52188 transitions. [2022-03-03 18:21:28,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-03-03 18:21:28,200 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:28,200 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] [2022-03-03 18:21:28,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 18:21:28,200 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-03-03 18:21:28,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:28,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1637372685, now seen corresponding path program 1 times [2022-03-03 18:21:28,202 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:28,202 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291177499] [2022-03-03 18:21:28,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:28,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:28,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:28,355 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:28,356 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291177499] [2022-03-03 18:21:28,356 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291177499] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:28,419 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:28,419 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:21:28,420 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980653388] [2022-03-03 18:21:28,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:28,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:21:28,421 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:28,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:21:28,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:21:28,422 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) [2022-03-03 18:21:28,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:28,905 INFO L93 Difference]: Finished difference Result 17466 states and 50394 transitions. [2022-03-03 18:21:28,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:21:28,906 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 [2022-03-03 18:21:28,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:28,964 INFO L225 Difference]: With dead ends: 17466 [2022-03-03 18:21:28,965 INFO L226 Difference]: Without dead ends: 17466 [2022-03-03 18:21:28,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:21:28,968 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 [2022-03-03 18:21:28,969 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] [2022-03-03 18:21:29,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17466 states. [2022-03-03 18:21:29,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17466 to 17466. [2022-03-03 18:21:29,454 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) [2022-03-03 18:21:29,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17466 states to 17466 states and 50394 transitions. [2022-03-03 18:21:29,523 INFO L78 Accepts]: Start accepts. Automaton has 17466 states and 50394 transitions. Word has length 32 [2022-03-03 18:21:29,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:29,524 INFO L470 AbstractCegarLoop]: Abstraction has 17466 states and 50394 transitions. [2022-03-03 18:21:29,524 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) [2022-03-03 18:21:29,524 INFO L276 IsEmpty]: Start isEmpty. Operand 17466 states and 50394 transitions. [2022-03-03 18:21:29,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-03-03 18:21:29,531 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:29,531 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] [2022-03-03 18:21:29,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 18:21:29,532 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-03-03 18:21:29,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:29,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1794345567, now seen corresponding path program 1 times [2022-03-03 18:21:29,533 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:29,533 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999404322] [2022-03-03 18:21:29,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:29,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:29,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:29,707 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:29,708 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999404322] [2022-03-03 18:21:29,708 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999404322] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:29,708 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:29,708 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:21:29,709 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754900425] [2022-03-03 18:21:29,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:29,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:21:29,710 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:29,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:21:29,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:21:29,711 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) [2022-03-03 18:21:30,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:30,239 INFO L93 Difference]: Finished difference Result 25538 states and 73367 transitions. [2022-03-03 18:21:30,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:21:30,239 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 [2022-03-03 18:21:30,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:30,378 INFO L225 Difference]: With dead ends: 25538 [2022-03-03 18:21:30,378 INFO L226 Difference]: Without dead ends: 24242 [2022-03-03 18:21:30,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:21:30,388 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:30,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 366 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:30,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24242 states. [2022-03-03 18:21:30,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24242 to 18613. [2022-03-03 18:21:30,866 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) [2022-03-03 18:21:30,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18613 states to 18613 states and 53678 transitions. [2022-03-03 18:21:30,929 INFO L78 Accepts]: Start accepts. Automaton has 18613 states and 53678 transitions. Word has length 33 [2022-03-03 18:21:30,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:30,929 INFO L470 AbstractCegarLoop]: Abstraction has 18613 states and 53678 transitions. [2022-03-03 18:21:30,930 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) [2022-03-03 18:21:30,930 INFO L276 IsEmpty]: Start isEmpty. Operand 18613 states and 53678 transitions. [2022-03-03 18:21:30,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-03-03 18:21:30,934 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:30,935 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] [2022-03-03 18:21:30,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-03 18:21:30,935 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-03-03 18:21:30,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:30,936 INFO L85 PathProgramCache]: Analyzing trace with hash 517297037, now seen corresponding path program 1 times [2022-03-03 18:21:30,936 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:30,936 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998191645] [2022-03-03 18:21:30,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:30,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:31,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:31,050 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:31,050 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998191645] [2022-03-03 18:21:31,050 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998191645] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:31,050 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:31,050 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:21:31,051 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061675356] [2022-03-03 18:21:31,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:31,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:21:31,051 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:31,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:21:31,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:21:31,052 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) [2022-03-03 18:21:31,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:31,487 INFO L93 Difference]: Finished difference Result 25740 states and 73519 transitions. [2022-03-03 18:21:31,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:21:31,487 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 [2022-03-03 18:21:31,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:31,555 INFO L225 Difference]: With dead ends: 25740 [2022-03-03 18:21:31,555 INFO L226 Difference]: Without dead ends: 24444 [2022-03-03 18:21:31,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:21:31,556 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:31,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 315 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:31,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24444 states. [2022-03-03 18:21:32,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24444 to 19244. [2022-03-03 18:21:32,121 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) [2022-03-03 18:21:32,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19244 states to 19244 states and 55156 transitions. [2022-03-03 18:21:32,178 INFO L78 Accepts]: Start accepts. Automaton has 19244 states and 55156 transitions. Word has length 39 [2022-03-03 18:21:32,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:32,180 INFO L470 AbstractCegarLoop]: Abstraction has 19244 states and 55156 transitions. [2022-03-03 18:21:32,180 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) [2022-03-03 18:21:32,180 INFO L276 IsEmpty]: Start isEmpty. Operand 19244 states and 55156 transitions. [2022-03-03 18:21:32,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-03-03 18:21:32,183 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:32,183 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] [2022-03-03 18:21:32,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-03 18:21:32,184 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-03-03 18:21:32,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:32,186 INFO L85 PathProgramCache]: Analyzing trace with hash -372314589, now seen corresponding path program 1 times [2022-03-03 18:21:32,186 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:32,186 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974674196] [2022-03-03 18:21:32,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:32,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:32,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:32,297 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:32,297 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974674196] [2022-03-03 18:21:32,297 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974674196] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:32,297 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:32,298 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:21:32,299 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398897248] [2022-03-03 18:21:32,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:32,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:21:32,299 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:32,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:21:32,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:21:32,300 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) [2022-03-03 18:21:32,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:32,734 INFO L93 Difference]: Finished difference Result 18496 states and 52956 transitions. [2022-03-03 18:21:32,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:21:32,735 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 [2022-03-03 18:21:32,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:32,845 INFO L225 Difference]: With dead ends: 18496 [2022-03-03 18:21:32,845 INFO L226 Difference]: Without dead ends: 15004 [2022-03-03 18:21:32,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:21:32,846 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 118 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:32,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 307 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:32,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15004 states. [2022-03-03 18:21:33,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15004 to 15004. [2022-03-03 18:21:33,218 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) [2022-03-03 18:21:33,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15004 states to 15004 states and 42220 transitions. [2022-03-03 18:21:33,257 INFO L78 Accepts]: Start accepts. Automaton has 15004 states and 42220 transitions. Word has length 40 [2022-03-03 18:21:33,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:33,257 INFO L470 AbstractCegarLoop]: Abstraction has 15004 states and 42220 transitions. [2022-03-03 18:21:33,257 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) [2022-03-03 18:21:33,257 INFO L276 IsEmpty]: Start isEmpty. Operand 15004 states and 42220 transitions. [2022-03-03 18:21:33,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-03-03 18:21:33,261 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:33,261 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] [2022-03-03 18:21:33,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-03 18:21:33,261 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-03-03 18:21:33,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:33,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1417899632, now seen corresponding path program 1 times [2022-03-03 18:21:33,262 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:33,262 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080722467] [2022-03-03 18:21:33,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:33,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 18:21:33,285 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-03 18:21:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 18:21:33,318 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-03 18:21:33,319 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-03 18:21:33,319 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2022-03-03 18:21:33,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2022-03-03 18:21:33,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2022-03-03 18:21:33,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 10 remaining) [2022-03-03 18:21:33,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (5 of 10 remaining) [2022-03-03 18:21:33,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2022-03-03 18:21:33,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2022-03-03 18:21:33,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2022-03-03 18:21:33,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2022-03-03 18:21:33,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2022-03-03 18:21:33,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-03 18:21:33,325 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-03-03 18:21:33,329 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 18:21:33,329 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 18:21:33,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 06:21:33 BasicIcfg [2022-03-03 18:21:33,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 18:21:33,366 INFO L158 Benchmark]: Toolchain (without parser) took 9118.36ms. Allocated memory was 209.7MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 154.4MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 380.3MB. Max. memory is 8.0GB. [2022-03-03 18:21:33,366 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 209.7MB. Free memory was 172.2MB in the beginning and 172.1MB in the end (delta: 70.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 18:21:33,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.15ms. Allocated memory was 209.7MB in the beginning and 263.2MB in the end (delta: 53.5MB). Free memory was 154.3MB in the beginning and 228.9MB in the end (delta: -74.7MB). Peak memory consumption was 7.4MB. Max. memory is 8.0GB. [2022-03-03 18:21:33,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.12ms. Allocated memory is still 263.2MB. Free memory was 228.9MB in the beginning and 226.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 18:21:33,367 INFO L158 Benchmark]: Boogie Preprocessor took 34.58ms. Allocated memory is still 263.2MB. Free memory was 226.9MB in the beginning and 225.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-03 18:21:33,368 INFO L158 Benchmark]: RCFGBuilder took 406.19ms. Allocated memory is still 263.2MB. Free memory was 225.6MB in the beginning and 212.6MB in the end (delta: 13.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-03 18:21:33,368 INFO L158 Benchmark]: TraceAbstraction took 8187.33ms. Allocated memory was 263.2MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 212.2MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 385.1MB. Max. memory is 8.0GB. [2022-03-03 18:21:33,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 209.7MB. Free memory was 172.2MB in the beginning and 172.1MB in the end (delta: 70.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 429.15ms. Allocated memory was 209.7MB in the beginning and 263.2MB in the end (delta: 53.5MB). Free memory was 154.3MB in the beginning and 228.9MB in the end (delta: -74.7MB). Peak memory consumption was 7.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.12ms. Allocated memory is still 263.2MB. Free memory was 228.9MB in the beginning and 226.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.58ms. Allocated memory is still 263.2MB. Free memory was 226.9MB in the beginning and 225.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 406.19ms. Allocated memory is still 263.2MB. Free memory was 225.6MB in the beginning and 212.6MB in the end (delta: 13.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 8187.33ms. Allocated memory was 263.2MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 212.2MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 385.1MB. 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: 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={6:0}, id={5:0}, 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={5:0}, id={6:0}, 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: 8.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 798 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 798 mSDsluCounter, 1796 SdHoareTripleChecker+Invalid, 1.4s 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, 0.1s 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: 2.9s AutomataMinimizationTime, 5 MinimizatonAttempts, 18269 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s 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 [2022-03-03 18:21:33,440 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...