/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.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_07-glob_fld_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 20:13:11,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 20:13:11,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 20:13:11,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 20:13:11,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 20:13:11,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 20:13:11,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 20:13:11,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 20:13:11,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 20:13:11,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 20:13:11,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 20:13:11,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 20:13:11,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 20:13:11,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 20:13:11,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 20:13:11,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 20:13:11,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 20:13:11,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 20:13:11,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 20:13:11,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 20:13:11,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 20:13:11,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 20:13:11,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 20:13:11,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 20:13:11,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 20:13:11,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 20:13:11,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 20:13:11,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 20:13:11,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 20:13:11,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-15 20:13:11,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 20:13:11,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 20:13:11,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 20:13:11,340 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 20:13:11,365 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 20:13:11,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 20:13:11,366 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 20:13:11,366 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 20:13:11,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 20:13:11,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 20:13:11,367 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 20:13:11,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 20:13:11,367 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 20:13:11,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 20:13:11,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 20:13:11,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 20:13:11,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 20:13:11,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 20:13:11,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 20:13:11,368 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 20:13:11,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 20:13:11,369 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 20:13:11,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 20:13:11,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 20:13:11,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 20:13:11,369 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 20:13:11,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 20:13:11,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:13:11,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 20:13:11,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 20:13:11,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 20:13:11,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 20:13:11,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 20:13:11,371 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 20:13:11,371 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 20:13:11,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 20:13:11,371 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 20:13:11,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 20:13:11,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 20:13:11,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 20:13:11,572 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 20:13:11,573 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 20:13:11,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_07-glob_fld_rc.i [2022-03-15 20:13:11,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5766b962/29bfdb6ff0714da68c4a231001354908/FLAGde22dfb76 [2022-03-15 20:13:12,008 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 20:13:12,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_07-glob_fld_rc.i [2022-03-15 20:13:12,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5766b962/29bfdb6ff0714da68c4a231001354908/FLAGde22dfb76 [2022-03-15 20:13:12,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5766b962/29bfdb6ff0714da68c4a231001354908 [2022-03-15 20:13:12,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 20:13:12,356 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 20:13:12,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 20:13:12,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 20:13:12,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 20:13:12,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:13:12" (1/1) ... [2022-03-15 20:13:12,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591ce83e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:12, skipping insertion in model container [2022-03-15 20:13:12,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:13:12" (1/1) ... [2022-03-15 20:13:12,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 20:13:12,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 20:13:12,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:13:12,700 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 20:13:12,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:13:12,755 INFO L208 MainTranslator]: Completed translation [2022-03-15 20:13:12,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:12 WrapperNode [2022-03-15 20:13:12,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 20:13:12,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 20:13:12,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 20:13:12,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 20:13:12,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:12" (1/1) ... [2022-03-15 20:13:12,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:12" (1/1) ... [2022-03-15 20:13:12,790 INFO L137 Inliner]: procedures = 161, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2022-03-15 20:13:12,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 20:13:12,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 20:13:12,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 20:13:12,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 20:13:12,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:12" (1/1) ... [2022-03-15 20:13:12,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:12" (1/1) ... [2022-03-15 20:13:12,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:12" (1/1) ... [2022-03-15 20:13:12,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:12" (1/1) ... [2022-03-15 20:13:12,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:12" (1/1) ... [2022-03-15 20:13:12,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:12" (1/1) ... [2022-03-15 20:13:12,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:12" (1/1) ... [2022-03-15 20:13:12,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 20:13:12,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 20:13:12,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 20:13:12,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 20:13:12,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:12" (1/1) ... [2022-03-15 20:13:12,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:13:12,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:12,851 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) [2022-03-15 20:13:12,872 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 [2022-03-15 20:13:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 20:13:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 20:13:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 20:13:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 20:13:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 20:13:12,927 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 20:13:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 20:13:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 20:13:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 20:13:12,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 20:13:12,928 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 20:13:13,019 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 20:13:13,020 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 20:13:13,133 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 20:13:13,137 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 20:13:13,138 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 20:13:13,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:13:13 BoogieIcfgContainer [2022-03-15 20:13:13,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 20:13:13,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 20:13:13,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 20:13:13,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 20:13:13,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 08:13:12" (1/3) ... [2022-03-15 20:13:13,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695ac3dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:13:13, skipping insertion in model container [2022-03-15 20:13:13,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:12" (2/3) ... [2022-03-15 20:13:13,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695ac3dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:13:13, skipping insertion in model container [2022-03-15 20:13:13,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:13:13" (3/3) ... [2022-03-15 20:13:13,144 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_07-glob_fld_rc.i [2022-03-15 20:13:13,147 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 20:13:13,147 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 20:13:13,147 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-15 20:13:13,147 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 20:13:13,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,168 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,168 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,169 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,169 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,169 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,169 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,174 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,174 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,174 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,174 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,174 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,175 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,175 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,184 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,185 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:13,186 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 20:13:13,222 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 20:13:13,227 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, 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=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 20:13:13,227 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-15 20:13:13,236 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 20:13:13,241 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 67 transitions, 139 flow [2022-03-15 20:13:13,243 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 67 transitions, 139 flow [2022-03-15 20:13:13,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 67 transitions, 139 flow [2022-03-15 20:13:13,284 INFO L129 PetriNetUnfolder]: 0/66 cut-off events. [2022-03-15 20:13:13,285 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-03-15 20:13:13,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 66 events. 0/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-03-15 20:13:13,288 INFO L116 LiptonReduction]: Number of co-enabled transitions 1188 [2022-03-15 20:13:14,186 INFO L131 LiptonReduction]: Checked pairs total: 5451 [2022-03-15 20:13:14,187 INFO L133 LiptonReduction]: Total number of compositions: 36 [2022-03-15 20:13:14,192 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 31 transitions, 67 flow [2022-03-15 20:13:14,228 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 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) [2022-03-15 20:13:14,230 INFO L276 IsEmpty]: Start isEmpty. Operand has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 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) [2022-03-15 20:13:14,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-03-15 20:13:14,234 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:14,234 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:14,234 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:14,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:14,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1807170297, now seen corresponding path program 1 times [2022-03-15 20:13:14,251 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:14,252 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738549583] [2022-03-15 20:13:14,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:14,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:14,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:14,480 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:14,481 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738549583] [2022-03-15 20:13:14,481 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738549583] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:14,481 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:14,481 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 20:13:14,482 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1563652875] [2022-03-15 20:13:14,483 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:14,486 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:14,494 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2022-03-15 20:13:14,495 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:14,497 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:14,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:14,498 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:14,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:14,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:14,518 INFO L87 Difference]: Start difference. First operand has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 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 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2022-03-15 20:13:14,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:14,739 INFO L93 Difference]: Finished difference Result 383 states and 712 transitions. [2022-03-15 20:13:14,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:14,743 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 8 [2022-03-15 20:13:14,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:14,757 INFO L225 Difference]: With dead ends: 383 [2022-03-15 20:13:14,762 INFO L226 Difference]: Without dead ends: 383 [2022-03-15 20:13:14,763 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 [2022-03-15 20:13:14,766 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 40 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:14,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 12 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:13:14,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-03-15 20:13:14,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 275. [2022-03-15 20:13:14,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 268 states have (on average 1.9477611940298507) internal successors, (522), 274 states have internal predecessors, (522), 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) [2022-03-15 20:13:14,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 522 transitions. [2022-03-15 20:13:14,803 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 522 transitions. Word has length 8 [2022-03-15 20:13:14,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:14,803 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 522 transitions. [2022-03-15 20:13:14,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2022-03-15 20:13:14,803 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 522 transitions. [2022-03-15 20:13:14,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-15 20:13:14,804 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:14,804 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:14,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 20:13:14,804 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:14,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:14,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1115511105, now seen corresponding path program 1 times [2022-03-15 20:13:14,806 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:14,811 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241732335] [2022-03-15 20:13:14,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:14,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:14,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:14,899 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:14,899 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241732335] [2022-03-15 20:13:14,900 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241732335] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:14,900 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:14,900 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 20:13:14,900 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [417270487] [2022-03-15 20:13:14,900 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:14,901 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:14,902 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2022-03-15 20:13:14,902 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:14,903 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:14,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:14,904 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:14,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:14,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:14,904 INFO L87 Difference]: Start difference. First operand 275 states and 522 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2022-03-15 20:13:15,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:15,010 INFO L93 Difference]: Finished difference Result 377 states and 708 transitions. [2022-03-15 20:13:15,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:15,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 14 [2022-03-15 20:13:15,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:15,011 INFO L225 Difference]: With dead ends: 377 [2022-03-15 20:13:15,011 INFO L226 Difference]: Without dead ends: 362 [2022-03-15 20:13:15,012 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 [2022-03-15 20:13:15,012 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 20 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:15,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 16 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:13:15,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-03-15 20:13:15,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 313. [2022-03-15 20:13:15,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 306 states have (on average 1.9379084967320261) internal successors, (593), 312 states have internal predecessors, (593), 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) [2022-03-15 20:13:15,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 593 transitions. [2022-03-15 20:13:15,032 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 593 transitions. Word has length 14 [2022-03-15 20:13:15,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:15,032 INFO L470 AbstractCegarLoop]: Abstraction has 313 states and 593 transitions. [2022-03-15 20:13:15,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2022-03-15 20:13:15,032 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 593 transitions. [2022-03-15 20:13:15,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-15 20:13:15,033 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:15,033 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:15,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 20:13:15,033 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:15,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:15,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1999994065, now seen corresponding path program 1 times [2022-03-15 20:13:15,035 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:15,035 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364765709] [2022-03-15 20:13:15,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:15,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:15,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:15,127 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:15,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364765709] [2022-03-15 20:13:15,127 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364765709] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:15,127 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:15,127 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 20:13:15,128 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1605459629] [2022-03-15 20:13:15,128 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:15,129 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:15,130 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2022-03-15 20:13:15,130 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:15,130 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:15,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:15,131 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:15,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:15,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:15,131 INFO L87 Difference]: Start difference. First operand 313 states and 593 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2022-03-15 20:13:15,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:15,240 INFO L93 Difference]: Finished difference Result 397 states and 735 transitions. [2022-03-15 20:13:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:15,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 14 [2022-03-15 20:13:15,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:15,241 INFO L225 Difference]: With dead ends: 397 [2022-03-15 20:13:15,241 INFO L226 Difference]: Without dead ends: 382 [2022-03-15 20:13:15,242 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 [2022-03-15 20:13:15,242 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:15,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 16 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:13:15,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-03-15 20:13:15,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 333. [2022-03-15 20:13:15,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 326 states have (on average 1.8957055214723926) internal successors, (618), 332 states have internal predecessors, (618), 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) [2022-03-15 20:13:15,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 618 transitions. [2022-03-15 20:13:15,251 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 618 transitions. Word has length 14 [2022-03-15 20:13:15,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:15,251 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 618 transitions. [2022-03-15 20:13:15,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2022-03-15 20:13:15,251 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 618 transitions. [2022-03-15 20:13:15,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-15 20:13:15,252 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:15,252 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:15,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 20:13:15,252 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:15,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:15,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1735751524, now seen corresponding path program 1 times [2022-03-15 20:13:15,262 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:15,262 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543997324] [2022-03-15 20:13:15,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:15,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 20:13:15,297 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 20:13:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 20:13:15,337 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 20:13:15,339 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 20:13:15,340 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-03-15 20:13:15,341 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-03-15 20:13:15,344 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-03-15 20:13:15,344 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-03-15 20:13:15,345 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-03-15 20:13:15,346 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-03-15 20:13:15,346 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-03-15 20:13:15,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 20:13:15,348 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-03-15 20:13:15,352 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 20:13:15,352 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 20:13:15,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 08:13:15 BasicIcfg [2022-03-15 20:13:15,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 20:13:15,388 INFO L158 Benchmark]: Toolchain (without parser) took 3032.11ms. Allocated memory was 183.5MB in the beginning and 282.1MB in the end (delta: 98.6MB). Free memory was 130.1MB in the beginning and 100.0MB in the end (delta: 30.1MB). Peak memory consumption was 129.2MB. Max. memory is 8.0GB. [2022-03-15 20:13:15,388 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:13:15,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.12ms. Allocated memory is still 183.5MB. Free memory was 129.9MB in the beginning and 149.1MB in the end (delta: -19.2MB). Peak memory consumption was 6.0MB. Max. memory is 8.0GB. [2022-03-15 20:13:15,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.06ms. Allocated memory is still 183.5MB. Free memory was 149.1MB in the beginning and 147.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 20:13:15,390 INFO L158 Benchmark]: Boogie Preprocessor took 29.91ms. Allocated memory is still 183.5MB. Free memory was 147.1MB in the beginning and 145.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 20:13:15,390 INFO L158 Benchmark]: RCFGBuilder took 317.03ms. Allocated memory is still 183.5MB. Free memory was 145.4MB in the beginning and 133.5MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-15 20:13:15,391 INFO L158 Benchmark]: TraceAbstraction took 2248.02ms. Allocated memory was 183.5MB in the beginning and 282.1MB in the end (delta: 98.6MB). Free memory was 133.1MB in the beginning and 100.0MB in the end (delta: 33.1MB). Peak memory consumption was 132.8MB. Max. memory is 8.0GB. [2022-03-15 20:13:15,392 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 183.5MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 398.12ms. Allocated memory is still 183.5MB. Free memory was 129.9MB in the beginning and 149.1MB in the end (delta: -19.2MB). Peak memory consumption was 6.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.06ms. Allocated memory is still 183.5MB. Free memory was 149.1MB in the beginning and 147.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.91ms. Allocated memory is still 183.5MB. Free memory was 147.1MB in the beginning and 145.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 317.03ms. Allocated memory is still 183.5MB. Free memory was 145.4MB in the beginning and 133.5MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2248.02ms. Allocated memory was 183.5MB in the beginning and 282.1MB in the end (delta: 98.6MB). Free memory was 133.1MB in the beginning and 100.0MB in the end (delta: 33.1MB). Peak memory consumption was 132.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.9s, 71 PlacesBefore, 35 PlacesAfterwards, 67 TransitionsBefore, 31 TransitionsAfterwards, 1188 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 36 TotalNumberOfCompositions, 5451 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 940, positive: 641, positive conditional: 0, positive unconditional: 641, negative: 299, negative conditional: 0, negative unconditional: 299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 475, positive: 440, positive conditional: 0, positive unconditional: 440, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 940, positive: 201, positive conditional: 0, positive unconditional: 201, negative: 264, negative conditional: 0, negative unconditional: 264, unknown: 475, unknown conditional: 0, unknown unconditional: 475] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 - 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: 690]: Data race detected Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; [L688] 0 pthread_t id; [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L690] EXPR 0 data.x VAL [arg={0:0}, data={1:0}, data.x=0, id={5:0}] [L690] 0 data.x++ VAL [arg={0:0}, data={1:0}, data.x=0, data.x++=9, data.x++=0, id={5:0}] [L684] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1] [L690] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=1, data.x++=9, data.x++=0, id={5:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data.x++ [690] * C: data.x++ [690] * C: data.x++ [684] * C: data.x++ [690] * C: data.x++ [690] and C: data.x++ [690] - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races 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. - 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 3 procedures, 92 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 105 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 616 IncrementalHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 105 mSolverCounterUnsat, 44 mSDtfsCounter, 616 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=333occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 206 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-15 20:13:15,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...