/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_02-simple_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 20:12:25,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 20:12:25,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 20:12:25,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 20:12:25,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 20:12:25,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 20:12:25,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 20:12:25,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 20:12:25,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 20:12:25,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 20:12:25,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 20:12:25,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 20:12:25,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 20:12:25,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 20:12:25,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 20:12:25,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 20:12:25,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 20:12:25,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 20:12:25,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 20:12:25,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 20:12:25,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 20:12:25,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 20:12:25,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 20:12:25,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 20:12:25,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 20:12:25,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 20:12:25,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 20:12:25,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 20:12:25,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 20:12:25,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 20:12:25,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 20:12:25,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 20:12:25,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 20:12:25,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 20:12:25,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 20:12:25,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 20:12:25,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 20:12:25,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 20:12:25,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 20:12:25,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 20:12:25,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 20:12:25,602 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 20:12:25,626 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 20:12:25,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 20:12:25,627 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 20:12:25,627 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 20:12:25,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 20:12:25,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 20:12:25,628 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 20:12:25,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 20:12:25,628 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 20:12:25,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 20:12:25,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 20:12:25,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 20:12:25,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 20:12:25,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 20:12:25,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 20:12:25,629 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 20:12:25,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 20:12:25,629 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 20:12:25,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 20:12:25,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 20:12:25,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 20:12:25,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 20:12:25,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 20:12:25,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:12:25,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 20:12:25,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 20:12:25,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 20:12:25,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 20:12:25,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 20:12:25,631 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 20:12:25,631 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 20:12:25,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 20:12:25,631 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 20:12:25,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 20:12:25,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 20:12:25,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 20:12:25,849 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 20:12:25,849 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 20:12:25,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_02-simple_nr.i [2022-03-15 20:12:25,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d8454941/18739ab47a1043f199ec40465d801caa/FLAG791673b74 [2022-03-15 20:12:26,357 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 20:12:26,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_02-simple_nr.i [2022-03-15 20:12:26,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d8454941/18739ab47a1043f199ec40465d801caa/FLAG791673b74 [2022-03-15 20:12:26,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d8454941/18739ab47a1043f199ec40465d801caa [2022-03-15 20:12:26,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 20:12:26,409 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 20:12:26,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 20:12:26,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 20:12:26,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 20:12:26,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:12:26" (1/1) ... [2022-03-15 20:12:26,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cb39e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:26, skipping insertion in model container [2022-03-15 20:12:26,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:12:26" (1/1) ... [2022-03-15 20:12:26,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 20:12:26,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 20:12:26,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:12:26,796 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 20:12:26,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:12:26,874 INFO L208 MainTranslator]: Completed translation [2022-03-15 20:12:26,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:26 WrapperNode [2022-03-15 20:12:26,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 20:12:26,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 20:12:26,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 20:12:26,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 20:12:26,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:26" (1/1) ... [2022-03-15 20:12:26,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:26" (1/1) ... [2022-03-15 20:12:26,925 INFO L137 Inliner]: procedures = 262, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2022-03-15 20:12:26,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 20:12:26,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 20:12:26,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 20:12:26,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 20:12:26,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:26" (1/1) ... [2022-03-15 20:12:26,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:26" (1/1) ... [2022-03-15 20:12:26,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:26" (1/1) ... [2022-03-15 20:12:26,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:26" (1/1) ... [2022-03-15 20:12:26,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:26" (1/1) ... [2022-03-15 20:12:26,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:26" (1/1) ... [2022-03-15 20:12:26,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:26" (1/1) ... [2022-03-15 20:12:26,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 20:12:26,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 20:12:26,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 20:12:26,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 20:12:26,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:26" (1/1) ... [2022-03-15 20:12:26,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:12:26,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:12:27,007 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 20:12:27,009 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 20:12:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 20:12:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 20:12:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 20:12:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 20:12:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 20:12:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 20:12:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 20:12:27,044 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 20:12:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 20:12:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 20:12:27,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 20:12:27,046 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 20:12:27,176 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 20:12:27,177 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 20:12:27,304 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 20:12:27,309 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 20:12:27,309 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 20:12:27,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:12:27 BoogieIcfgContainer [2022-03-15 20:12:27,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 20:12:27,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 20:12:27,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 20:12:27,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 20:12:27,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 08:12:26" (1/3) ... [2022-03-15 20:12:27,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b0e47f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:12:27, skipping insertion in model container [2022-03-15 20:12:27,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:12:26" (2/3) ... [2022-03-15 20:12:27,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b0e47f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:12:27, skipping insertion in model container [2022-03-15 20:12:27,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:12:27" (3/3) ... [2022-03-15 20:12:27,316 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_02-simple_nr.i [2022-03-15 20:12:27,319 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 20:12:27,319 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 20:12:27,320 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-03-15 20:12:27,320 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 20:12:27,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,339 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,339 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,340 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,340 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,346 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,346 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,346 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,346 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,346 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:12:27,349 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-15 20:12:27,377 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 20:12:27,382 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 20:12:27,382 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-03-15 20:12:27,390 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 20:12:27,396 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 75 transitions, 158 flow [2022-03-15 20:12:27,398 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 75 transitions, 158 flow [2022-03-15 20:12:27,399 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 75 transitions, 158 flow [2022-03-15 20:12:27,424 INFO L129 PetriNetUnfolder]: 0/74 cut-off events. [2022-03-15 20:12:27,424 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-03-15 20:12:27,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 74 events. 0/74 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-03-15 20:12:27,427 INFO L116 LiptonReduction]: Number of co-enabled transitions 630 [2022-03-15 20:12:28,717 INFO L131 LiptonReduction]: Checked pairs total: 2690 [2022-03-15 20:12:28,718 INFO L133 LiptonReduction]: Total number of compositions: 54 [2022-03-15 20:12:28,727 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 24 transitions, 56 flow [2022-03-15 20:12:28,755 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 110 states, 99 states have (on average 1.9898989898989898) internal successors, (197), 109 states have internal predecessors, (197), 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 20:12:28,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 99 states have (on average 1.9898989898989898) internal successors, (197), 109 states have internal predecessors, (197), 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 20:12:28,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-03-15 20:12:28,760 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:12:28,761 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-03-15 20:12:28,761 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-15 20:12:28,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:12:28,766 INFO L85 PathProgramCache]: Analyzing trace with hash 237867510, now seen corresponding path program 1 times [2022-03-15 20:12:28,779 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:12:28,779 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761149459] [2022-03-15 20:12:28,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:12:28,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:12:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:12:28,949 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 20:12:28,950 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:12:28,950 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761149459] [2022-03-15 20:12:28,950 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761149459] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:12:28,950 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:12:28,951 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:12:28,952 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1228135758] [2022-03-15 20:12:28,952 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:12:28,954 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:12:28,960 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2022-03-15 20:12:28,960 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:12:28,963 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:12:28,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:12:28,964 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:12:28,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:12:28,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:12:28,980 INFO L87 Difference]: Start difference. First operand has 110 states, 99 states have (on average 1.9898989898989898) internal successors, (197), 109 states have internal predecessors, (197), 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 20:12:29,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:12:29,024 INFO L93 Difference]: Finished difference Result 113 states and 198 transitions. [2022-03-15 20:12:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:12:29,026 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 20:12:29,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:12:29,032 INFO L225 Difference]: With dead ends: 113 [2022-03-15 20:12:29,032 INFO L226 Difference]: Without dead ends: 111 [2022-03-15 20:12:29,033 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 20:12:29,035 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 12 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:12:29,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 10 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:12:29,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-03-15 20:12:29,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 95. [2022-03-15 20:12:29,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 88 states have (on average 1.8863636363636365) internal successors, (166), 94 states have internal predecessors, (166), 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 20:12:29,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 166 transitions. [2022-03-15 20:12:29,064 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 166 transitions. Word has length 5 [2022-03-15 20:12:29,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:12:29,065 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 166 transitions. [2022-03-15 20:12:29,065 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 20:12:29,065 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 166 transitions. [2022-03-15 20:12:29,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-03-15 20:12:29,066 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:12:29,066 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:12:29,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 20:12:29,066 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-15 20:12:29,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:12:29,067 INFO L85 PathProgramCache]: Analyzing trace with hash -384828271, now seen corresponding path program 1 times [2022-03-15 20:12:29,067 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:12:29,068 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932471860] [2022-03-15 20:12:29,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:12:29,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:12:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:12:29,101 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 20:12:29,102 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:12:29,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932471860] [2022-03-15 20:12:29,102 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932471860] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:12:29,102 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:12:29,102 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:12:29,102 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [850127020] [2022-03-15 20:12:29,102 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:12:29,103 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:12:29,104 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2022-03-15 20:12:29,104 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:12:29,104 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:12:29,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:12:29,105 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:12:29,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:12:29,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:12:29,106 INFO L87 Difference]: Start difference. First operand 95 states and 166 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:12:29,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:12:29,133 INFO L93 Difference]: Finished difference Result 102 states and 176 transitions. [2022-03-15 20:12:29,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:12:29,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-03-15 20:12:29,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:12:29,134 INFO L225 Difference]: With dead ends: 102 [2022-03-15 20:12:29,134 INFO L226 Difference]: Without dead ends: 90 [2022-03-15 20:12:29,135 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 20:12:29,135 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 8 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:12:29,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 10 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:12:29,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-03-15 20:12:29,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 85. [2022-03-15 20:12:29,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 79 states have (on average 1.8101265822784811) internal successors, (143), 84 states have internal predecessors, (143), 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 20:12:29,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 143 transitions. [2022-03-15 20:12:29,142 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 143 transitions. Word has length 8 [2022-03-15 20:12:29,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:12:29,142 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 143 transitions. [2022-03-15 20:12:29,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:12:29,142 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 143 transitions. [2022-03-15 20:12:29,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-03-15 20:12:29,143 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:12:29,143 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:12:29,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 20:12:29,143 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-15 20:12:29,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:12:29,144 INFO L85 PathProgramCache]: Analyzing trace with hash -636519335, now seen corresponding path program 1 times [2022-03-15 20:12:29,144 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:12:29,145 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431824548] [2022-03-15 20:12:29,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:12:29,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:12:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:12:29,178 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 20:12:29,179 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:12:29,179 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431824548] [2022-03-15 20:12:29,179 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431824548] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:12:29,179 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:12:29,179 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:12:29,179 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1633148967] [2022-03-15 20:12:29,180 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:12:29,180 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:12:29,181 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2022-03-15 20:12:29,181 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:12:29,181 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:12:29,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:12:29,181 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:12:29,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:12:29,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:12:29,182 INFO L87 Difference]: Start difference. First operand 85 states and 143 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:12:29,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:12:29,207 INFO L93 Difference]: Finished difference Result 83 states and 134 transitions. [2022-03-15 20:12:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:12:29,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-03-15 20:12:29,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:12:29,208 INFO L225 Difference]: With dead ends: 83 [2022-03-15 20:12:29,208 INFO L226 Difference]: Without dead ends: 71 [2022-03-15 20:12:29,209 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 20:12:29,209 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:12:29,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 11 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:12:29,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-03-15 20:12:29,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-03-15 20:12:29,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 67 states have (on average 1.6119402985074627) internal successors, (108), 70 states have internal predecessors, (108), 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 20:12:29,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 108 transitions. [2022-03-15 20:12:29,243 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 108 transitions. Word has length 8 [2022-03-15 20:12:29,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:12:29,243 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 108 transitions. [2022-03-15 20:12:29,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:12:29,243 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2022-03-15 20:12:29,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-03-15 20:12:29,244 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:12:29,244 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:12:29,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 20:12:29,244 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-15 20:12:29,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:12:29,245 INFO L85 PathProgramCache]: Analyzing trace with hash -450359566, now seen corresponding path program 1 times [2022-03-15 20:12:29,246 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:12:29,246 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82866373] [2022-03-15 20:12:29,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:12:29,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:12:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:12:29,307 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 20:12:29,307 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:12:29,308 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82866373] [2022-03-15 20:12:29,308 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82866373] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:12:29,308 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:12:29,308 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 20:12:29,308 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1420965971] [2022-03-15 20:12:29,308 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:12:29,308 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:12:29,310 INFO L252 McrAutomatonBuilder]: Finished intersection with 19 states and 24 transitions. [2022-03-15 20:12:29,310 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:12:29,342 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:12:29,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:12:29,343 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:12:29,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:12:29,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:12:29,346 INFO L87 Difference]: Start difference. First operand 71 states and 108 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 20:12:29,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:12:29,357 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2022-03-15 20:12:29,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:12:29,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 10 [2022-03-15 20:12:29,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:12:29,360 INFO L225 Difference]: With dead ends: 13 [2022-03-15 20:12:29,360 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 20:12:29,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 20:12:29,361 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 5 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:12:29,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 5 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:12:29,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 20:12:29,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 20:12:29,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 20:12:29,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 20:12:29,362 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2022-03-15 20:12:29,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:12:29,362 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 20:12:29,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 20:12:29,362 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 20:12:29,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 20:12:29,364 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-03-15 20:12:29,364 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-03-15 20:12:29,365 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-03-15 20:12:29,365 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 8 remaining) [2022-03-15 20:12:29,365 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-03-15 20:12:29,365 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-03-15 20:12:29,365 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-03-15 20:12:29,365 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-03-15 20:12:29,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 20:12:29,366 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-03-15 20:12:29,372 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 20:12:29,372 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 20:12:29,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 08:12:29 BasicIcfg [2022-03-15 20:12:29,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 20:12:29,376 INFO L158 Benchmark]: Toolchain (without parser) took 2966.76ms. Allocated memory was 242.2MB in the beginning and 319.8MB in the end (delta: 77.6MB). Free memory was 219.6MB in the beginning and 281.7MB in the end (delta: -62.1MB). Peak memory consumption was 15.5MB. Max. memory is 8.0GB. [2022-03-15 20:12:29,378 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 242.2MB. Free memory is still 207.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:12:29,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.51ms. Allocated memory was 242.2MB in the beginning and 319.8MB in the end (delta: 77.6MB). Free memory was 219.6MB in the beginning and 277.9MB in the end (delta: -58.3MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-03-15 20:12:29,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.08ms. Allocated memory is still 319.8MB. Free memory was 277.9MB in the beginning and 275.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-15 20:12:29,383 INFO L158 Benchmark]: Boogie Preprocessor took 26.64ms. Allocated memory is still 319.8MB. Free memory was 275.3MB in the beginning and 273.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 20:12:29,384 INFO L158 Benchmark]: RCFGBuilder took 357.57ms. Allocated memory is still 319.8MB. Free memory was 273.7MB in the beginning and 260.1MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-15 20:12:29,384 INFO L158 Benchmark]: TraceAbstraction took 2063.04ms. Allocated memory is still 319.8MB. Free memory was 259.6MB in the beginning and 281.7MB in the end (delta: -22.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:12:29,388 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 242.2MB. Free memory is still 207.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 464.51ms. Allocated memory was 242.2MB in the beginning and 319.8MB in the end (delta: 77.6MB). Free memory was 219.6MB in the beginning and 277.9MB in the end (delta: -58.3MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.08ms. Allocated memory is still 319.8MB. Free memory was 277.9MB in the beginning and 275.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.64ms. Allocated memory is still 319.8MB. Free memory was 275.3MB in the beginning and 273.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 357.57ms. Allocated memory is still 319.8MB. Free memory was 273.7MB in the beginning and 260.1MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2063.04ms. Allocated memory is still 319.8MB. Free memory was 259.6MB in the beginning and 281.7MB in the end (delta: -22.1MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.3s, 79 PlacesBefore, 28 PlacesAfterwards, 75 TransitionsBefore, 24 TransitionsAfterwards, 630 CoEnabledTransitionPairs, 6 FixpointIterations, 34 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 54 TotalNumberOfCompositions, 2690 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1091, positive: 868, positive conditional: 0, positive unconditional: 868, negative: 223, negative conditional: 0, negative unconditional: 223, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 321, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1091, positive: 573, positive conditional: 0, positive unconditional: 573, negative: 197, negative conditional: 0, negative unconditional: 197, unknown: 321, unknown conditional: 0, unknown unconditional: 321] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - 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 - PositiveResult [Line: 930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 922]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 922]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 93 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 36 mSDtfsCounter, 120 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 57 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-15 20:12:29,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...