/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.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_17-ps_add1_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 15:03:27,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 15:03:27,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 15:03:27,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 15:03:27,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 15:03:27,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 15:03:27,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 15:03:27,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 15:03:27,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 15:03:27,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 15:03:27,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 15:03:27,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 15:03:27,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 15:03:27,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 15:03:27,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 15:03:27,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 15:03:27,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 15:03:27,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 15:03:27,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 15:03:27,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 15:03:27,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 15:03:27,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 15:03:27,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 15:03:27,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 15:03:27,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-19 15:03:27,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-19 15:03:27,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-19 15:03:27,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-19 15:03:27,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-19 15:03:27,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-19 15:03:27,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 15:03:27,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 15:03:27,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 15:03:27,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 15:03:27,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 15:03:27,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 15:03:27,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 15:03:27,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 15:03:27,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 15:03:27,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 15:03:27,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 15:03:27,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-02-19 15:03:27,430 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 15:03:27,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 15:03:27,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 15:03:27,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 15:03:27,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 15:03:27,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 15:03:27,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 15:03:27,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 15:03:27,431 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 15:03:27,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 15:03:27,432 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 15:03:27,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 15:03:27,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 15:03:27,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 15:03:27,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 15:03:27,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 15:03:27,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 15:03:27,432 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 15:03:27,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 15:03:27,432 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 15:03:27,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 15:03:27,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 15:03:27,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 15:03:27,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 15:03:27,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 15:03:27,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 15:03:27,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 15:03:27,433 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 15:03:27,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 15:03:27,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 15:03:27,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 15:03:27,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 15:03:27,433 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 15:03:27,433 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 15:03:27,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 15:03:27,434 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 15:03:27,434 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 15:03:27,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-19 15:03:27,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 15:03:27,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 15:03:27,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 15:03:27,651 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 15:03:27,652 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 15:03:27,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_17-ps_add1_nr.i [2022-02-19 15:03:27,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2686cde6/f4ee8e6cf2da4744893cf3e778eeda5a/FLAG175ffa28d [2022-02-19 15:03:28,097 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 15:03:28,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_17-ps_add1_nr.i [2022-02-19 15:03:28,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2686cde6/f4ee8e6cf2da4744893cf3e778eeda5a/FLAG175ffa28d [2022-02-19 15:03:28,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2686cde6/f4ee8e6cf2da4744893cf3e778eeda5a [2022-02-19 15:03:28,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 15:03:28,124 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 15:03:28,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 15:03:28,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 15:03:28,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 15:03:28,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 03:03:28" (1/1) ... [2022-02-19 15:03:28,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d195281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:03:28, skipping insertion in model container [2022-02-19 15:03:28,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 03:03:28" (1/1) ... [2022-02-19 15:03:28,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 15:03:28,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 15:03:28,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 15:03:28,568 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 15:03:28,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 15:03:28,651 INFO L208 MainTranslator]: Completed translation [2022-02-19 15:03:28,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:03:28 WrapperNode [2022-02-19 15:03:28,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 15:03:28,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 15:03:28,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 15:03:28,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 15:03:28,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:03:28" (1/1) ... [2022-02-19 15:03:28,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:03:28" (1/1) ... [2022-02-19 15:03:28,694 INFO L137 Inliner]: procedures = 266, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-02-19 15:03:28,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 15:03:28,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 15:03:28,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 15:03:28,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 15:03:28,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:03:28" (1/1) ... [2022-02-19 15:03:28,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:03:28" (1/1) ... [2022-02-19 15:03:28,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:03:28" (1/1) ... [2022-02-19 15:03:28,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:03:28" (1/1) ... [2022-02-19 15:03:28,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:03:28" (1/1) ... [2022-02-19 15:03:28,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:03:28" (1/1) ... [2022-02-19 15:03:28,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:03:28" (1/1) ... [2022-02-19 15:03:28,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 15:03:28,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 15:03:28,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 15:03:28,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 15:03:28,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:03:28" (1/1) ... [2022-02-19 15:03:28,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 15:03:28,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:03:28,737 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) [2022-02-19 15:03:28,750 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 [2022-02-19 15:03:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 15:03:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 15:03:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 15:03:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-19 15:03:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 15:03:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-19 15:03:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-19 15:03:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 15:03:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 15:03:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 15:03:28,768 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 15:03:28,913 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 15:03:28,915 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 15:03:29,089 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 15:03:29,095 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 15:03:29,095 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 15:03:29,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:03:29 BoogieIcfgContainer [2022-02-19 15:03:29,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 15:03:29,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 15:03:29,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 15:03:29,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 15:03:29,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 03:03:28" (1/3) ... [2022-02-19 15:03:29,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4303b60d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 03:03:29, skipping insertion in model container [2022-02-19 15:03:29,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:03:28" (2/3) ... [2022-02-19 15:03:29,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4303b60d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 03:03:29, skipping insertion in model container [2022-02-19 15:03:29,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:03:29" (3/3) ... [2022-02-19 15:03:29,104 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_17-ps_add1_nr.i [2022-02-19 15:03:29,108 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 15:03:29,108 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 15:03:29,108 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-19 15:03:29,108 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 15:03:29,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,141 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,141 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,141 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,141 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,145 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,145 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,151 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,151 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,151 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,151 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,151 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,151 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,152 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,152 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,152 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,152 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,152 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,153 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,153 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,153 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,154 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,158 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,158 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 15:03:29,161 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-19 15:03:29,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 15:03:29,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:03:29,200 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 15:03:29,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 15:03:29,247 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 15:03:29,254 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-02-19 15:03:29,254 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-19 15:03:29,303 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 56 transitions and produced 57 states. [2022-02-19 15:03:29,304 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-19 15:03:29,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:03:29,309 INFO L85 PathProgramCache]: Analyzing trace with hash -644849769, now seen corresponding path program 1 times [2022-02-19 15:03:29,315 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:03:29,316 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736292977] [2022-02-19 15:03:29,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:03:29,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:03:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:03:29,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:03:29,493 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:03:29,494 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736292977] [2022-02-19 15:03:29,494 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736292977] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 15:03:29,494 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 15:03:29,494 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 15:03:29,495 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605812329] [2022-02-19 15:03:29,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 15:03:29,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 15:03:29,499 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:03:29,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 15:03:29,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 15:03:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:03:29,515 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:03:29,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 15:03:29,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:03:29,546 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 67 transitions and produced 68 states. [2022-02-19 15:03:29,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 15:03:29,547 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-19 15:03:29,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:03:29,548 INFO L85 PathProgramCache]: Analyzing trace with hash -950016875, now seen corresponding path program 1 times [2022-02-19 15:03:29,548 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:03:29,548 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012101672] [2022-02-19 15:03:29,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:03:29,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:03:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:03:29,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:03:29,611 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:03:29,611 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012101672] [2022-02-19 15:03:29,611 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012101672] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 15:03:29,611 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 15:03:29,611 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 15:03:29,612 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259028380] [2022-02-19 15:03:29,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 15:03:29,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 15:03:29,613 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:03:29,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 15:03:29,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 15:03:29,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:03:29,613 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:03:29,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-02-19 15:03:29,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:03:29,648 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 107 transitions and produced 108 states. [2022-02-19 15:03:29,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 15:03:29,649 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-19 15:03:29,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:03:29,650 INFO L85 PathProgramCache]: Analyzing trace with hash 34493577, now seen corresponding path program 1 times [2022-02-19 15:03:29,650 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:03:29,650 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300205157] [2022-02-19 15:03:29,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:03:29,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:03:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:03:29,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:03:29,712 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:03:29,712 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300205157] [2022-02-19 15:03:29,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300205157] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 15:03:29,713 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 15:03:29,713 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 15:03:29,713 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56315311] [2022-02-19 15:03:29,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 15:03:29,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 15:03:29,714 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:03:29,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 15:03:29,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 15:03:29,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:03:29,714 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:03:29,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 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) [2022-02-19 15:03:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:03:29,790 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 643 transitions and produced 408 states. [2022-02-19 15:03:29,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 15:03:29,791 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-19 15:03:29,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:03:29,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1733274669, now seen corresponding path program 1 times [2022-02-19 15:03:29,791 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:03:29,791 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471120798] [2022-02-19 15:03:29,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:03:29,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:03:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:03:29,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:03:29,831 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:03:29,831 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471120798] [2022-02-19 15:03:29,831 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471120798] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 15:03:29,832 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 15:03:29,832 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 15:03:29,832 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961999337] [2022-02-19 15:03:29,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 15:03:29,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 15:03:29,832 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:03:29,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 15:03:29,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 15:03:29,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:03:29,833 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:03:29,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2022-02-19 15:03:29,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:03:29,888 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1047 transitions and produced 673 states. [2022-02-19 15:03:29,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 15:03:29,889 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-19 15:03:29,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:03:29,889 INFO L85 PathProgramCache]: Analyzing trace with hash 569910701, now seen corresponding path program 1 times [2022-02-19 15:03:29,889 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:03:29,890 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138226624] [2022-02-19 15:03:29,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:03:29,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:03:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:03:29,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:03:29,965 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:03:29,965 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138226624] [2022-02-19 15:03:29,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138226624] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 15:03:29,966 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 15:03:29,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 15:03:29,966 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358926376] [2022-02-19 15:03:29,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 15:03:29,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 15:03:29,967 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:03:29,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 15:03:29,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-19 15:03:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:03:29,968 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:03:29,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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) [2022-02-19 15:03:29,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:29,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:03:30,090 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 871 transitions and produced 501 states. [2022-02-19 15:03:30,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:30,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:30,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:30,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 15:03:30,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 15:03:30,093 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-19 15:03:30,093 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-19 15:03:30,094 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-19 15:03:30,094 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-02-19 15:03:30,094 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-19 15:03:30,094 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-19 15:03:30,094 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-19 15:03:30,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-19 15:03:30,103 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-19 15:03:30,106 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 15:03:30,106 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 15:03:30,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 03:03:30 BasicIcfg [2022-02-19 15:03:30,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 15:03:30,109 INFO L158 Benchmark]: Toolchain (without parser) took 1984.35ms. Allocated memory was 222.3MB in the beginning and 294.6MB in the end (delta: 72.4MB). Free memory was 169.0MB in the beginning and 258.9MB in the end (delta: -89.9MB). Peak memory consumption was 105.3MB. Max. memory is 8.0GB. [2022-02-19 15:03:30,110 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 222.3MB. Free memory is still 187.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 15:03:30,111 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.02ms. Allocated memory is still 222.3MB. Free memory was 168.7MB in the beginning and 180.6MB in the end (delta: -12.0MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-02-19 15:03:30,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.16ms. Allocated memory is still 222.3MB. Free memory was 180.6MB in the beginning and 178.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-19 15:03:30,117 INFO L158 Benchmark]: Boogie Preprocessor took 14.13ms. Allocated memory is still 222.3MB. Free memory was 178.0MB in the beginning and 177.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 15:03:30,117 INFO L158 Benchmark]: RCFGBuilder took 385.78ms. Allocated memory is still 222.3MB. Free memory was 177.0MB in the beginning and 164.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-19 15:03:30,118 INFO L158 Benchmark]: TraceAbstraction took 1010.12ms. Allocated memory was 222.3MB in the beginning and 294.6MB in the end (delta: 72.4MB). Free memory was 163.8MB in the beginning and 258.9MB in the end (delta: -95.0MB). Peak memory consumption was 100.5MB. Max. memory is 8.0GB. [2022-02-19 15:03:30,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 222.3MB. Free memory is still 187.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 527.02ms. Allocated memory is still 222.3MB. Free memory was 168.7MB in the beginning and 180.6MB in the end (delta: -12.0MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.16ms. Allocated memory is still 222.3MB. Free memory was 180.6MB in the beginning and 178.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.13ms. Allocated memory is still 222.3MB. Free memory was 178.0MB in the beginning and 177.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 385.78ms. Allocated memory is still 222.3MB. Free memory was 177.0MB in the beginning and 164.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1010.12ms. Allocated memory was 222.3MB in the beginning and 294.6MB in the end (delta: 72.4MB). Free memory was 163.8MB in the beginning and 258.9MB in the end (delta: -95.0MB). Peak memory consumption was 100.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 946]: 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: 932]: 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, 99 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 365 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-19 15:03:30,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-19 15:03:30,355 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...