/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/04-mutex_27-base_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 20:12:50,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 20:12:50,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 20:12:51,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 20:12:51,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 20:12:51,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 20:12:51,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 20:12:51,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 20:12:51,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 20:12:51,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 20:12:51,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 20:12:51,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 20:12:51,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 20:12:51,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 20:12:51,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 20:12:51,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 20:12:51,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 20:12:51,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 20:12:51,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 20:12:51,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 20:12:51,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 20:12:51,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 20:12:51,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 20:12:51,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 20:12:51,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 20:12:51,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 20:12:51,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 20:12:51,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 20:12:51,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 20:12:51,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 20:12:51,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 20:12:51,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 20:12:51,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 20:12:51,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 20:12:51,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 20:12:51,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 20:12:51,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 20:12:51,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 20:12:51,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 20:12:51,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 20:12:51,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 20:12:51,047 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 20:12:51,065 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 20:12:51,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 20:12:51,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 20:12:51,066 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 20:12:51,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 20:12:51,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 20:12:51,067 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 20:12:51,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 20:12:51,067 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 20:12:51,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 20:12:51,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 20:12:51,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 20:12:51,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 20:12:51,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 20:12:51,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 20:12:51,068 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 20:12:51,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 20:12:51,068 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 20:12:51,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 20:12:51,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 20:12:51,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 20:12:51,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 20:12:51,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 20:12:51,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:12:51,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 20:12:51,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 20:12:51,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 20:12:51,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 20:12:51,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 20:12:51,069 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 20:12:51,069 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 20:12:51,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 20:12:51,069 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 20:12:51,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 20:12:51,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 20:12:51,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 20:12:51,255 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 20:12:51,256 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 20:12:51,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_27-base_rc.i [2022-03-15 20:12:51,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d39b7fd1f/34327e0c5c424bda97bc25769adb9033/FLAG28b6bca7a [2022-03-15 20:12:51,761 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 20:12:51,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_27-base_rc.i [2022-03-15 20:12:51,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d39b7fd1f/34327e0c5c424bda97bc25769adb9033/FLAG28b6bca7a [2022-03-15 20:12:51,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d39b7fd1f/34327e0c5c424bda97bc25769adb9033 [2022-03-15 20:12:51,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 20:12:51,791 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 20:12:51,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 20:12:51,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 20:12:51,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 20:12:51,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:12:51" (1/1) ... [2022-03-15 20:12:51,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e934dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:51, skipping insertion in model container [2022-03-15 20:12:51,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:12:51" (1/1) ... [2022-03-15 20:12:51,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 20:12:51,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 20:12:52,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:12:52,167 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 20:12:52,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:12:52,251 INFO L208 MainTranslator]: Completed translation [2022-03-15 20:12:52,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:52 WrapperNode [2022-03-15 20:12:52,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 20:12:52,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 20:12:52,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 20:12:52,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 20:12:52,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:52" (1/1) ... [2022-03-15 20:12:52,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:52" (1/1) ... [2022-03-15 20:12:52,299 INFO L137 Inliner]: procedures = 265, calls = 27, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 85 [2022-03-15 20:12:52,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 20:12:52,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 20:12:52,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 20:12:52,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 20:12:52,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:52" (1/1) ... [2022-03-15 20:12:52,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:52" (1/1) ... [2022-03-15 20:12:52,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:52" (1/1) ... [2022-03-15 20:12:52,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:52" (1/1) ... [2022-03-15 20:12:52,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:52" (1/1) ... [2022-03-15 20:12:52,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:52" (1/1) ... [2022-03-15 20:12:52,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:52" (1/1) ... [2022-03-15 20:12:52,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 20:12:52,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 20:12:52,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 20:12:52,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 20:12:52,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:52" (1/1) ... [2022-03-15 20:12:52,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:12:52,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:12:52,341 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 20:12:52,342 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 20:12:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 20:12:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 20:12:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 20:12:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 20:12:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 20:12:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 20:12:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 20:12:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 20:12:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 20:12:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 20:12:52,373 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 20:12:52,505 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 20:12:52,506 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 20:12:52,631 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 20:12:52,636 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 20:12:52,636 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 20:12:52,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:12:52 BoogieIcfgContainer [2022-03-15 20:12:52,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 20:12:52,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 20:12:52,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 20:12:52,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 20:12:52,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 08:12:51" (1/3) ... [2022-03-15 20:12:52,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207a98d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:12:52, skipping insertion in model container [2022-03-15 20:12:52,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:52" (2/3) ... [2022-03-15 20:12:52,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207a98d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:12:52, skipping insertion in model container [2022-03-15 20:12:52,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:12:52" (3/3) ... [2022-03-15 20:12:52,643 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_27-base_rc.i [2022-03-15 20:12:52,646 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 20:12:52,646 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 20:12:52,646 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-03-15 20:12:52,646 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 20:12:52,674 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,674 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,675 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,675 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,675 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,675 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,675 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,675 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,675 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,676 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,676 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,676 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,676 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,676 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,676 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,676 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,677 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,677 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,677 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,677 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,677 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,678 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,678 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,678 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,678 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,678 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,678 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,678 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,679 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,679 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,679 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,679 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,679 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,679 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,680 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,680 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,680 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,680 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,680 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,680 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,680 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,681 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,681 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,681 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,681 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,681 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,681 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,681 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,683 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,683 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,683 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,683 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,684 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,684 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,684 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,684 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,685 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,685 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,685 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,685 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,685 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,685 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,685 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,687 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,687 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,687 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,687 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,687 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,687 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,688 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,688 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,688 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,688 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,688 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,688 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,688 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:52,695 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 20:12:52,730 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 20:12:52,740 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 20:12:52,741 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-03-15 20:12:52,755 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 20:12:52,761 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 102 transitions, 209 flow [2022-03-15 20:12:52,767 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 102 transitions, 209 flow [2022-03-15 20:12:52,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 102 transitions, 209 flow [2022-03-15 20:12:52,826 INFO L129 PetriNetUnfolder]: 1/101 cut-off events. [2022-03-15 20:12:52,826 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-03-15 20:12:52,829 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 101 events. 1/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 131 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2022-03-15 20:12:52,831 INFO L116 LiptonReduction]: Number of co-enabled transitions 2256 [2022-03-15 20:12:54,681 INFO L131 LiptonReduction]: Checked pairs total: 7423 [2022-03-15 20:12:54,682 INFO L133 LiptonReduction]: Total number of compositions: 71 [2022-03-15 20:12:54,688 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 35 transitions, 75 flow [2022-03-15 20:12:54,711 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 250 states, 233 states have (on average 2.03862660944206) internal successors, (475), 249 states have internal predecessors, (475), 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 20:12:54,713 INFO L276 IsEmpty]: Start isEmpty. Operand has 250 states, 233 states have (on average 2.03862660944206) internal successors, (475), 249 states have internal predecessors, (475), 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 20:12:54,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-03-15 20:12:54,716 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:12:54,716 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-03-15 20:12:54,717 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2022-03-15 20:12:54,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:12:54,720 INFO L85 PathProgramCache]: Analyzing trace with hash 341418468, now seen corresponding path program 1 times [2022-03-15 20:12:54,737 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:12:54,737 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983655343] [2022-03-15 20:12:54,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:12:54,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:12:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:12:54,921 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 20:12:54,922 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:12:54,922 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983655343] [2022-03-15 20:12:54,922 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983655343] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:12:54,922 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:12:54,923 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:12:54,924 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1841013417] [2022-03-15 20:12:54,924 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:12:54,925 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:12:54,932 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2022-03-15 20:12:54,932 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:12:54,934 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:12:54,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:12:54,935 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:12:54,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:12:54,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:12:54,950 INFO L87 Difference]: Start difference. First operand has 250 states, 233 states have (on average 2.03862660944206) internal successors, (475), 249 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 20:12:55,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:12:55,029 INFO L93 Difference]: Finished difference Result 405 states and 765 transitions. [2022-03-15 20:12:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:12:55,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-03-15 20:12:55,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:12:55,040 INFO L225 Difference]: With dead ends: 405 [2022-03-15 20:12:55,040 INFO L226 Difference]: Without dead ends: 405 [2022-03-15 20:12:55,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:12:55,043 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 28 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:12:55,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 28 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:12:55,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2022-03-15 20:12:55,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 256. [2022-03-15 20:12:55,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 239 states have (on average 2.0334728033472804) internal successors, (486), 255 states have internal predecessors, (486), 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 20:12:55,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 486 transitions. [2022-03-15 20:12:55,082 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 486 transitions. Word has length 5 [2022-03-15 20:12:55,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:12:55,082 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 486 transitions. [2022-03-15 20:12:55,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 20:12:55,083 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 486 transitions. [2022-03-15 20:12:55,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-03-15 20:12:55,083 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:12:55,083 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-03-15 20:12:55,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 20:12:55,083 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2022-03-15 20:12:55,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:12:55,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1993712289, now seen corresponding path program 1 times [2022-03-15 20:12:55,085 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:12:55,085 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337996028] [2022-03-15 20:12:55,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:12:55,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:12:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:12:55,135 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 20:12:55,135 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:12:55,136 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337996028] [2022-03-15 20:12:55,136 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337996028] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:12:55,136 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:12:55,136 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:12:55,136 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [846376988] [2022-03-15 20:12:55,136 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:12:55,136 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:12:55,137 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2022-03-15 20:12:55,137 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:12:55,137 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:12:55,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:12:55,138 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:12:55,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:12:55,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:12:55,139 INFO L87 Difference]: Start difference. First operand 256 states and 486 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20:12:55,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:12:55,180 INFO L93 Difference]: Finished difference Result 287 states and 548 transitions. [2022-03-15 20:12:55,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:12:55,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-03-15 20:12:55,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:12:55,183 INFO L225 Difference]: With dead ends: 287 [2022-03-15 20:12:55,183 INFO L226 Difference]: Without dead ends: 287 [2022-03-15 20:12:55,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:12:55,184 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 21 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:12:55,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 33 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:12:55,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-03-15 20:12:55,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 269. [2022-03-15 20:12:55,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 253 states have (on average 2.0237154150197627) internal successors, (512), 268 states have internal predecessors, (512), 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 20:12:55,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 512 transitions. [2022-03-15 20:12:55,195 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 512 transitions. Word has length 6 [2022-03-15 20:12:55,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:12:55,195 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 512 transitions. [2022-03-15 20:12:55,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20:12:55,195 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 512 transitions. [2022-03-15 20:12:55,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-03-15 20:12:55,196 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:12:55,196 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:12:55,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 20:12:55,196 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2022-03-15 20:12:55,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:12:55,196 INFO L85 PathProgramCache]: Analyzing trace with hash 402231335, now seen corresponding path program 1 times [2022-03-15 20:12:55,197 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:12:55,197 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544315248] [2022-03-15 20:12:55,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:12:55,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:12:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:12:55,237 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 20:12:55,237 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:12:55,237 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544315248] [2022-03-15 20:12:55,237 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544315248] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:12:55,237 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:12:55,237 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 20:12:55,237 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [599304326] [2022-03-15 20:12:55,238 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:12:55,238 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:12:55,239 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 15 transitions. [2022-03-15 20:12:55,239 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:12:55,257 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:12:55,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:12:55,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:12:55,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:12:55,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:12:55,258 INFO L87 Difference]: Start difference. First operand 269 states and 512 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 20:12:55,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:12:55,287 INFO L93 Difference]: Finished difference Result 210 states and 377 transitions. [2022-03-15 20:12:55,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:12:55,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 20:12:55,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:12:55,288 INFO L225 Difference]: With dead ends: 210 [2022-03-15 20:12:55,288 INFO L226 Difference]: Without dead ends: 210 [2022-03-15 20:12:55,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:12:55,289 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 19 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:12:55,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 37 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:12:55,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2022-03-15 20:12:55,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 202. [2022-03-15 20:12:55,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 193 states have (on average 1.9067357512953367) internal successors, (368), 201 states have internal predecessors, (368), 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 20:12:55,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 368 transitions. [2022-03-15 20:12:55,296 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 368 transitions. Word has length 8 [2022-03-15 20:12:55,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:12:55,296 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 368 transitions. [2022-03-15 20:12:55,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 20:12:55,296 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 368 transitions. [2022-03-15 20:12:55,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-03-15 20:12:55,297 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:12:55,297 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:12:55,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 20:12:55,297 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2022-03-15 20:12:55,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:12:55,297 INFO L85 PathProgramCache]: Analyzing trace with hash 698613048, now seen corresponding path program 1 times [2022-03-15 20:12:55,302 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:12:55,302 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698455170] [2022-03-15 20:12:55,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:12:55,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:12:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:12:55,327 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 20:12:55,327 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:12:55,327 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698455170] [2022-03-15 20:12:55,327 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698455170] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:12:55,327 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:12:55,327 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:12:55,328 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [397726620] [2022-03-15 20:12:55,328 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:12:55,328 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:12:55,329 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2022-03-15 20:12:55,329 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:12:55,329 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:12:55,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:12:55,329 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:12:55,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:12:55,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:12:55,330 INFO L87 Difference]: Start difference. First operand 202 states and 368 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 20:12:55,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:12:55,368 INFO L93 Difference]: Finished difference Result 182 states and 318 transitions. [2022-03-15 20:12:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:12:55,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2022-03-15 20:12:55,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:12:55,369 INFO L225 Difference]: With dead ends: 182 [2022-03-15 20:12:55,370 INFO L226 Difference]: Without dead ends: 166 [2022-03-15 20:12:55,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:12:55,374 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 22 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:12:55,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 21 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:12:55,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-03-15 20:12:55,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 158. [2022-03-15 20:12:55,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 153 states have (on average 1.7777777777777777) internal successors, (272), 157 states have internal predecessors, (272), 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 20:12:55,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 272 transitions. [2022-03-15 20:12:55,380 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 272 transitions. Word has length 9 [2022-03-15 20:12:55,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:12:55,380 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 272 transitions. [2022-03-15 20:12:55,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 20:12:55,380 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 272 transitions. [2022-03-15 20:12:55,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 20:12:55,380 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:12:55,381 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:12:55,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 20:12:55,381 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2022-03-15 20:12:55,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:12:55,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1352251424, now seen corresponding path program 1 times [2022-03-15 20:12:55,390 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:12:55,391 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547515236] [2022-03-15 20:12:55,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:12:55,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:12:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:12:55,437 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 20:12:55,438 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:12:55,438 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547515236] [2022-03-15 20:12:55,438 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547515236] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:12:55,438 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:12:55,438 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:12:55,438 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [851551057] [2022-03-15 20:12:55,438 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:12:55,439 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:12:55,440 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2022-03-15 20:12:55,440 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:12:55,440 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:12:55,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:12:55,440 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:12:55,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:12:55,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:12:55,441 INFO L87 Difference]: Start difference. First operand 158 states and 272 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 20:12:55,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:12:55,483 INFO L93 Difference]: Finished difference Result 151 states and 255 transitions. [2022-03-15 20:12:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:12:55,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2022-03-15 20:12:55,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:12:55,484 INFO L225 Difference]: With dead ends: 151 [2022-03-15 20:12:55,484 INFO L226 Difference]: Without dead ends: 143 [2022-03-15 20:12:55,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:12:55,486 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 9 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:12:55,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 18 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:12:55,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-03-15 20:12:55,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-03-15 20:12:55,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 139 states have (on average 1.7194244604316546) internal successors, (239), 142 states have internal predecessors, (239), 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 20:12:55,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 239 transitions. [2022-03-15 20:12:55,497 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 239 transitions. Word has length 11 [2022-03-15 20:12:55,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:12:55,498 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 239 transitions. [2022-03-15 20:12:55,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 20:12:55,500 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 239 transitions. [2022-03-15 20:12:55,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 20:12:55,501 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:12:55,501 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:12:55,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 20:12:55,502 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2022-03-15 20:12:55,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:12:55,502 INFO L85 PathProgramCache]: Analyzing trace with hash -786931134, now seen corresponding path program 1 times [2022-03-15 20:12:55,504 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:12:55,504 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350311244] [2022-03-15 20:12:55,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:12:55,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:12:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:12:55,548 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 20:12:55,549 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:12:55,549 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350311244] [2022-03-15 20:12:55,549 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350311244] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:12:55,549 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:12:55,549 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:12:55,549 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [945224931] [2022-03-15 20:12:55,549 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:12:55,550 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:12:55,551 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2022-03-15 20:12:55,551 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:12:55,551 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:12:55,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:12:55,551 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:12:55,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:12:55,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:12:55,552 INFO L87 Difference]: Start difference. First operand 143 states and 239 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 20:12:55,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:12:55,579 INFO L93 Difference]: Finished difference Result 136 states and 222 transitions. [2022-03-15 20:12:55,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:12:55,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2022-03-15 20:12:55,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:12:55,580 INFO L225 Difference]: With dead ends: 136 [2022-03-15 20:12:55,582 INFO L226 Difference]: Without dead ends: 116 [2022-03-15 20:12:55,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:12:55,584 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 10 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:12:55,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 18 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:12:55,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-03-15 20:12:55,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2022-03-15 20:12:55,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 113 states have (on average 1.6283185840707965) internal successors, (184), 115 states have internal predecessors, (184), 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 20:12:55,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 184 transitions. [2022-03-15 20:12:55,587 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 184 transitions. Word has length 12 [2022-03-15 20:12:55,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:12:55,587 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 184 transitions. [2022-03-15 20:12:55,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 20:12:55,588 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 184 transitions. [2022-03-15 20:12:55,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-03-15 20:12:55,591 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:12:55,591 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:12:55,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 20:12:55,591 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2022-03-15 20:12:55,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:12:55,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1297822931, now seen corresponding path program 1 times [2022-03-15 20:12:55,593 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:12:55,593 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086857063] [2022-03-15 20:12:55,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:12:55,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:12:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 20:12:55,627 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 20:12:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 20:12:55,651 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 20:12:55,651 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 20:12:55,652 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2022-03-15 20:12:55,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2022-03-15 20:12:55,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (10 of 13 remaining) [2022-03-15 20:12:55,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2022-03-15 20:12:55,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2022-03-15 20:12:55,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2022-03-15 20:12:55,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2022-03-15 20:12:55,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2022-03-15 20:12:55,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2022-03-15 20:12:55,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2022-03-15 20:12:55,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2022-03-15 20:12:55,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2022-03-15 20:12:55,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2022-03-15 20:12:55,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 20:12:55,656 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:12:55,659 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 20:12:55,659 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 20:12:55,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 08:12:55 BasicIcfg [2022-03-15 20:12:55,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 20:12:55,696 INFO L158 Benchmark]: Toolchain (without parser) took 3905.12ms. Allocated memory was 185.6MB in the beginning and 233.8MB in the end (delta: 48.2MB). Free memory was 157.6MB in the beginning and 93.4MB in the end (delta: 64.2MB). Peak memory consumption was 112.2MB. Max. memory is 8.0GB. [2022-03-15 20:12:55,696 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 185.6MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:12:55,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.53ms. Allocated memory is still 185.6MB. Free memory was 157.4MB in the beginning and 141.0MB in the end (delta: 16.4MB). Peak memory consumption was 20.0MB. Max. memory is 8.0GB. [2022-03-15 20:12:55,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.42ms. Allocated memory is still 185.6MB. Free memory was 141.0MB in the beginning and 138.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 20:12:55,697 INFO L158 Benchmark]: Boogie Preprocessor took 17.57ms. Allocated memory is still 185.6MB. Free memory was 138.6MB in the beginning and 137.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 20:12:55,697 INFO L158 Benchmark]: RCFGBuilder took 319.51ms. Allocated memory is still 185.6MB. Free memory was 137.1MB in the beginning and 124.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-15 20:12:55,697 INFO L158 Benchmark]: TraceAbstraction took 3057.37ms. Allocated memory was 185.6MB in the beginning and 233.8MB in the end (delta: 48.2MB). Free memory was 123.9MB in the beginning and 93.4MB in the end (delta: 30.5MB). Peak memory consumption was 79.7MB. Max. memory is 8.0GB. [2022-03-15 20:12:55,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 185.6MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 460.53ms. Allocated memory is still 185.6MB. Free memory was 157.4MB in the beginning and 141.0MB in the end (delta: 16.4MB). Peak memory consumption was 20.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.42ms. Allocated memory is still 185.6MB. Free memory was 141.0MB in the beginning and 138.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.57ms. Allocated memory is still 185.6MB. Free memory was 138.6MB in the beginning and 137.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 319.51ms. Allocated memory is still 185.6MB. Free memory was 137.1MB in the beginning and 124.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3057.37ms. Allocated memory was 185.6MB in the beginning and 233.8MB in the end (delta: 48.2MB). Free memory was 123.9MB in the beginning and 93.4MB in the end (delta: 30.5MB). Peak memory consumption was 79.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 105 PlacesBefore, 38 PlacesAfterwards, 102 TransitionsBefore, 35 TransitionsAfterwards, 2256 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 71 TotalNumberOfCompositions, 7423 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3200, positive: 2836, positive conditional: 0, positive unconditional: 2836, negative: 364, negative conditional: 0, negative unconditional: 364, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1200, positive: 1139, positive conditional: 0, positive unconditional: 1139, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3200, positive: 1697, positive conditional: 0, positive unconditional: 1697, negative: 303, negative conditional: 0, negative unconditional: 303, unknown: 1200, unknown conditional: 0, unknown unconditional: 1200] , Statistics on independence cache: Total cache size (in pairs): 168, Positive cache size: 139, Positive conditional cache size: 0, Positive unconditional cache size: 139, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - 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: 944]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int global; [L918] 0 pthread_mutex_t gm = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L927] 0 void (*f)() = good; [L928] 0 pthread_mutex_t fm = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L938] 0 pthread_t id; [L939] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [={-1:0}, fm={3:0}, global=0, gm={2:0}, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L941] 0 f = bad [L930] 1 void (*g)(); [L932] 1 g = f VAL [={-1:2}, ={-1:2}, arg={0:0}, arg={0:0}, fm={3:0}, global=0, gm={2:0}] [L934] CALL 1 g() [L920] 1 global++ VAL [={-1:2}, fm={3:0}, global=1, global++=26, global++=0, gm={2:0}] [L944] 0 printf("global: %d\n", global) VAL [={-1:2}, fm={3:0}, global=1, gm={2:0}, id={5:0}] Now there is a data race on ~global~0 between C: global++ [920] and C: printf("global: %d\n", global) [944] - UnprovableResult [Line: 941]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 939]: 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: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 920]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 924]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 920]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 924]: 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, 150 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 109 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 155 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 122 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 306 IncrementalHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 106 mSDtfsCounter, 306 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=269occurred in iteration=2, 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, 6 MinimizatonAttempts, 183 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 73 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 20:12:55,740 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...