/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSmt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-95ec559 [2023-01-11 12:04:09,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-11 12:04:09,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-11 12:04:09,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-11 12:04:09,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-11 12:04:09,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-11 12:04:09,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-11 12:04:09,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-11 12:04:09,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-11 12:04:09,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-11 12:04:09,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-11 12:04:09,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-11 12:04:09,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-11 12:04:09,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-11 12:04:09,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-11 12:04:09,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-11 12:04:09,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-11 12:04:09,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-11 12:04:09,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-11 12:04:09,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-11 12:04:09,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-11 12:04:09,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-11 12:04:09,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-11 12:04:09,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-11 12:04:09,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-11 12:04:09,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-11 12:04:09,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-11 12:04:09,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-11 12:04:09,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-11 12:04:09,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-11 12:04:09,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-11 12:04:09,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-11 12:04:09,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-11 12:04:09,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-11 12:04:09,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-11 12:04:09,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-11 12:04:09,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-11 12:04:09,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-11 12:04:09,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-11 12:04:09,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-11 12:04:09,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-11 12:04:09,340 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSmt.epf [2023-01-11 12:04:09,364 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-11 12:04:09,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-11 12:04:09,364 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-11 12:04:09,365 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-11 12:04:09,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-11 12:04:09,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-11 12:04:09,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-11 12:04:09,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-11 12:04:09,366 INFO L138 SettingsManager]: * Use SBE=true [2023-01-11 12:04:09,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-11 12:04:09,366 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-11 12:04:09,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-11 12:04:09,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-11 12:04:09,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-11 12:04:09,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-11 12:04:09,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-11 12:04:09,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-11 12:04:09,367 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-11 12:04:09,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-11 12:04:09,368 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-11 12:04:09,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-11 12:04:09,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-11 12:04:09,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-11 12:04:09,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-11 12:04:09,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-11 12:04:09,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-11 12:04:09,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-11 12:04:09,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-11 12:04:09,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-11 12:04:09,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-11 12:04:09,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-11 12:04:09,369 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-11 12:04:09,370 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-01-11 12:04:09,370 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-11 12:04:09,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-11 12:04:09,370 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2023-01-11 12:04:09,370 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-11 12:04:09,370 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-11 12:04:09,370 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-01-11 12:04:09,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-11 12:04:09,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-11 12:04:09,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-11 12:04:09,589 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-11 12:04:09,589 INFO L275 PluginConnector]: CDTParser initialized [2023-01-11 12:04:09,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2023-01-11 12:04:10,806 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-11 12:04:11,056 INFO L351 CDTParser]: Found 1 translation units. [2023-01-11 12:04:11,057 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2023-01-11 12:04:11,077 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbd4bd7f0/552fa59483d7440c9e40efcb74dd9257/FLAG61234ba69 [2023-01-11 12:04:11,092 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbd4bd7f0/552fa59483d7440c9e40efcb74dd9257 [2023-01-11 12:04:11,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-11 12:04:11,096 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-11 12:04:11,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-11 12:04:11,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-11 12:04:11,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-11 12:04:11,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 12:04:11" (1/1) ... [2023-01-11 12:04:11,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c52a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:11, skipping insertion in model container [2023-01-11 12:04:11,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 12:04:11" (1/1) ... [2023-01-11 12:04:11,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-11 12:04:11,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-11 12:04:11,295 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2023-01-11 12:04:11,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-11 12:04:11,531 INFO L203 MainTranslator]: Completed pre-run [2023-01-11 12:04:11,542 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2023-01-11 12:04:11,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-11 12:04:11,644 WARN L663 CHandler]: The function sleep is called, but not defined or handled by StandardFunctionHandler. [2023-01-11 12:04:11,651 INFO L208 MainTranslator]: Completed translation [2023-01-11 12:04:11,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:11 WrapperNode [2023-01-11 12:04:11,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-11 12:04:11,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-11 12:04:11,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-11 12:04:11,654 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-11 12:04:11,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:11" (1/1) ... [2023-01-11 12:04:11,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:11" (1/1) ... [2023-01-11 12:04:11,720 INFO L138 Inliner]: procedures = 271, calls = 45, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2023-01-11 12:04:11,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-11 12:04:11,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-11 12:04:11,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-11 12:04:11,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-11 12:04:11,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:11" (1/1) ... [2023-01-11 12:04:11,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:11" (1/1) ... [2023-01-11 12:04:11,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:11" (1/1) ... [2023-01-11 12:04:11,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:11" (1/1) ... [2023-01-11 12:04:11,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:11" (1/1) ... [2023-01-11 12:04:11,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:11" (1/1) ... [2023-01-11 12:04:11,755 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:11" (1/1) ... [2023-01-11 12:04:11,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:11" (1/1) ... [2023-01-11 12:04:11,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-11 12:04:11,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-11 12:04:11,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-11 12:04:11,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-11 12:04:11,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:11" (1/1) ... [2023-01-11 12:04:11,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-11 12:04:11,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 12:04:11,811 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) [2023-01-11 12:04:11,816 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 [2023-01-11 12:04:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2023-01-11 12:04:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-11 12:04:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2023-01-11 12:04:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2023-01-11 12:04:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-11 12:04:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-11 12:04:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-01-11 12:04:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-11 12:04:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2023-01-11 12:04:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2023-01-11 12:04:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure process [2023-01-11 12:04:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2023-01-11 12:04:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-11 12:04:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-11 12:04:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-11 12:04:11,865 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-11 12:04:12,229 INFO L236 CfgBuilder]: Building ICFG [2023-01-11 12:04:12,231 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-11 12:04:12,446 INFO L277 CfgBuilder]: Performing block encoding [2023-01-11 12:04:12,454 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-11 12:04:12,454 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-01-11 12:04:12,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 12:04:12 BoogieIcfgContainer [2023-01-11 12:04:12,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-11 12:04:12,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-11 12:04:12,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-11 12:04:12,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-11 12:04:12,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 12:04:11" (1/3) ... [2023-01-11 12:04:12,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b95ea3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 12:04:12, skipping insertion in model container [2023-01-11 12:04:12,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:04:11" (2/3) ... [2023-01-11 12:04:12,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b95ea3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 12:04:12, skipping insertion in model container [2023-01-11 12:04:12,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 12:04:12" (3/3) ... [2023-01-11 12:04:12,464 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2023-01-11 12:04:12,473 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-11 12:04:12,480 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-11 12:04:12,480 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-01-11 12:04:12,480 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-11 12:04:12,545 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-11 12:04:12,584 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 12:04:12,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 12:04:12,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 12:04:12,593 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) [2023-01-11 12:04:12,614 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 [2023-01-11 12:04:12,636 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 12:04:12,644 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 12:04:12,644 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 12:04:12,644 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 12:04:12,650 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-01-11 12:04:12,655 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@591327ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 12:04:12,655 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 12:04:12,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-11 12:04:12,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 12:04:12,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1206241253, now seen corresponding path program 1 times [2023-01-11 12:04:12,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 12:04:12,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446512830] [2023-01-11 12:04:12,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 12:04:12,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 12:04:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 12:04:13,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-11 12:04:13,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 12:04:13,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446512830] [2023-01-11 12:04:13,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446512830] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 12:04:13,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 12:04:13,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-01-11 12:04:13,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396444146] [2023-01-11 12:04:13,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 12:04:13,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-01-11 12:04:13,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 12:04:13,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-01-11 12:04:13,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-01-11 12:04:13,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 12:04:13,913 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 12:04:13,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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) [2023-01-11 12:04:13,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 12:04:40,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-11 12:04:40,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-11 12:04:40,781 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-11 12:04:40,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 12:04:40,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1369225329, now seen corresponding path program 1 times [2023-01-11 12:04:40,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 12:04:40,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729259037] [2023-01-11 12:04:40,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 12:04:40,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 12:04:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 12:04:41,013 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-11 12:04:41,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 12:04:41,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729259037] [2023-01-11 12:04:41,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729259037] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 12:04:41,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 12:04:41,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-11 12:04:41,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543929368] [2023-01-11 12:04:41,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 12:04:41,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-11 12:04:41,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 12:04:41,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-11 12:04:41,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-11 12:04:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 12:04:41,023 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 12:04:41,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2023-01-11 12:04:41,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-11 12:04:41,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 12:04:58,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-11 12:04:58,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-11 12:04:58,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-11 12:04:58,350 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-11 12:04:58,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 12:04:58,351 INFO L85 PathProgramCache]: Analyzing trace with hash -69709464, now seen corresponding path program 1 times [2023-01-11 12:04:58,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 12:04:58,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634050908] [2023-01-11 12:04:58,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 12:04:58,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 12:04:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 12:04:59,174 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-11 12:04:59,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 12:04:59,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634050908] [2023-01-11 12:04:59,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634050908] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-11 12:04:59,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515301824] [2023-01-11 12:04:59,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 12:04:59,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-11 12:04:59,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 12:04:59,257 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-11 12:04:59,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-01-11 12:04:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 12:04:59,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-11 12:04:59,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-11 12:04:59,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-01-11 12:04:59,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-11 12:04:59,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-01-11 12:04:59,826 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-11 12:04:59,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-11 12:04:59,854 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_101 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#mutex_B~0.base| v_ArrVal_101) |c_~#mutex_A~0.base|) |c_~#mutex_A~0.offset|) 0))) is different from false [2023-01-11 12:04:59,865 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-11 12:04:59,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2023-01-11 12:04:59,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2023-01-11 12:04:59,956 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 2 not checked. [2023-01-11 12:04:59,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515301824] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-11 12:04:59,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-11 12:04:59,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-01-11 12:04:59,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582189129] [2023-01-11 12:04:59,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-11 12:04:59,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-01-11 12:04:59,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 12:04:59,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-01-11 12:04:59,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=58, Unknown=1, NotChecked=16, Total=110 [2023-01-11 12:04:59,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 12:04:59,962 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 12:04:59,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 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) [2023-01-11 12:04:59,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-11 12:04:59,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-11 12:04:59,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 12:05:00,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-11 12:05:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-11 12:05:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-11 12:05:00,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-01-11 12:05:00,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-01-11 12:05:00,813 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-11 12:05:00,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 12:05:00,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1914020005, now seen corresponding path program 1 times [2023-01-11 12:05:00,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 12:05:00,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152036309] [2023-01-11 12:05:00,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 12:05:00,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 12:05:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 12:05:01,430 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-01-11 12:05:01,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 12:05:01,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152036309] [2023-01-11 12:05:01,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152036309] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-11 12:05:01,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125905639] [2023-01-11 12:05:01,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 12:05:01,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-11 12:05:01,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 12:05:01,432 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-11 12:05:01,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-01-11 12:05:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 12:05:01,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-11 12:05:01,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-11 12:05:01,812 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-01-11 12:05:01,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-11 12:05:02,035 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-01-11 12:05:02,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125905639] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-11 12:05:02,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-11 12:05:02,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-01-11 12:05:02,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714709362] [2023-01-11 12:05:02,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-11 12:05:02,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-01-11 12:05:02,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 12:05:02,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-01-11 12:05:02,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-01-11 12:05:02,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 12:05:02,038 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 12:05:02,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.454545454545455) internal successors, (137), 11 states have internal predecessors, (137), 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) [2023-01-11 12:05:02,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-11 12:05:02,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-11 12:05:02,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-11 12:05:02,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 12:05:09,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-11 12:05:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-11 12:05:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-11 12:05:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-01-11 12:05:09,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-01-11 12:05:09,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-11 12:05:09,625 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-11 12:05:09,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 12:05:09,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1791144108, now seen corresponding path program 1 times [2023-01-11 12:05:09,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 12:05:09,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839075157] [2023-01-11 12:05:09,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 12:05:09,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 12:05:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 12:05:09,976 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-01-11 12:05:09,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 12:05:09,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839075157] [2023-01-11 12:05:09,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839075157] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 12:05:09,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 12:05:09,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-01-11 12:05:09,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504748541] [2023-01-11 12:05:09,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 12:05:09,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-01-11 12:05:09,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 12:05:09,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-01-11 12:05:09,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-01-11 12:05:09,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 12:05:09,983 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 12:05:09,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 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) [2023-01-11 12:05:09,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-11 12:05:09,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-11 12:05:09,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-11 12:05:09,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-01-11 12:05:09,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 12:05:22,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-11 12:05:22,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-11 12:05:22,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-11 12:05:22,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-01-11 12:05:22,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-11 12:05:22,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-01-11 12:05:22,609 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-11 12:05:22,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 12:05:22,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1626588964, now seen corresponding path program 2 times [2023-01-11 12:05:22,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 12:05:22,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671060495] [2023-01-11 12:05:22,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 12:05:22,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 12:05:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 12:05:23,194 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 87 proven. 33 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-01-11 12:05:23,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 12:05:23,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671060495] [2023-01-11 12:05:23,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671060495] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-11 12:05:23,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144184738] [2023-01-11 12:05:23,200 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-11 12:05:23,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-11 12:05:23,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 12:05:23,205 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-11 12:05:23,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-01-11 12:05:23,384 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-11 12:05:23,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-11 12:05:23,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 20 conjunts are in the unsatisfiable core [2023-01-11 12:05:23,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-11 12:05:23,628 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 98 proven. 22 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-01-11 12:05:23,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-11 12:05:24,032 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 87 proven. 33 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-01-11 12:05:24,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144184738] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-11 12:05:24,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-11 12:05:24,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 14 [2023-01-11 12:05:24,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87349876] [2023-01-11 12:05:24,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-11 12:05:24,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-01-11 12:05:24,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 12:05:24,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-01-11 12:05:24,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-01-11 12:05:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 12:05:24,036 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 12:05:24,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.071428571428571) internal successors, (169), 14 states have internal predecessors, (169), 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) [2023-01-11 12:05:24,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-11 12:05:24,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-11 12:05:24,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-11 12:05:24,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-01-11 12:05:24,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-11 12:05:24,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 12:05:52,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-11 12:05:52,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-11 12:05:52,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-11 12:05:52,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-01-11 12:05:52,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-11 12:05:52,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-01-11 12:05:52,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-01-11 12:05:52,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-11 12:05:52,418 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-11 12:05:52,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 12:05:52,419 INFO L85 PathProgramCache]: Analyzing trace with hash 396242645, now seen corresponding path program 1 times [2023-01-11 12:05:52,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 12:05:52,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707583676] [2023-01-11 12:05:52,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 12:05:52,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 12:05:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 12:05:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 215 proven. 41 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-01-11 12:05:53,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 12:05:53,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707583676] [2023-01-11 12:05:53,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707583676] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-11 12:05:53,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155848621] [2023-01-11 12:05:53,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 12:05:53,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-11 12:05:53,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 12:05:53,416 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-11 12:05:53,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-01-11 12:05:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 12:05:53,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 28 conjunts are in the unsatisfiable core [2023-01-11 12:05:53,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-11 12:05:53,932 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 226 proven. 30 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-01-11 12:05:53,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-11 12:05:54,196 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 215 proven. 41 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-01-11 12:05:54,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155848621] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-11 12:05:54,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-11 12:05:54,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 15 [2023-01-11 12:05:54,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481727407] [2023-01-11 12:05:54,200 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-11 12:05:54,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-01-11 12:05:54,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 12:05:54,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-01-11 12:05:54,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2023-01-11 12:05:54,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 12:05:54,204 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 12:05:54,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 13.666666666666666) internal successors, (205), 15 states have internal predecessors, (205), 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) [2023-01-11 12:05:54,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-11 12:05:54,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-11 12:05:54,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-11 12:05:54,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-01-11 12:05:54,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-11 12:05:54,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-01-11 12:05:54,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.