/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/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-15 03:27:06,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 03:27:06,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 03:27:06,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-11-15 03:27:06,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 03:27:06,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 03:27:06,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 03:27:06,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 03:27:06,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 03:27:06,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 03:27:06,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 03:27:06,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 03:27:06,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 03:27:06,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 03:27:06,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 03:27:06,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 03:27:06,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 03:27:06,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 03:27:06,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 03:27:06,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 03:27:06,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 03:27:06,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-11-15 03:27:06,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 03:27:06,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 03:27:06,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 03:27:06,560 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf [2022-11-15 03:27:06,591 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 03:27:06,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 03:27:06,592 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 03:27:06,592 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 03:27:06,592 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 03:27:06,593 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 03:27:06,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 03:27:06,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 03:27:06,594 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 03:27:06,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 03:27:06,594 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 03:27:06,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 03:27:06,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 03:27:06,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 03:27:06,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 03:27:06,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 03:27:06,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 03:27:06,595 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 03:27:06,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 03:27:06,595 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 03:27:06,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 03:27:06,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 03:27:06,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 03:27:06,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 03:27:06,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 03:27:06,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 03:27:06,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 03:27:06,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 03:27:06,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 03:27:06,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 03:27:06,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 03:27:06,598 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 03:27:06,598 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-15 03:27:06,598 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 03:27:06,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 03:27:06,598 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 03:27:06,598 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 03:27:06,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-15 03:27:06,599 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-15 03:27:06,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 03:27:06,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 03:27:06,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 03:27:06,843 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 03:27:06,845 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 03:27:06,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2022-11-15 03:27:06,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ced30292/d9ba1af834474b2a93f1936d867068ca/FLAGdc1e8c8d6 [2022-11-15 03:27:07,311 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 03:27:07,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2022-11-15 03:27:07,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ced30292/d9ba1af834474b2a93f1936d867068ca/FLAGdc1e8c8d6 [2022-11-15 03:27:07,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ced30292/d9ba1af834474b2a93f1936d867068ca [2022-11-15 03:27:07,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 03:27:07,344 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 03:27:07,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 03:27:07,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 03:27:07,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 03:27:07,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 03:27:07" (1/1) ... [2022-11-15 03:27:07,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f757fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:27:07, skipping insertion in model container [2022-11-15 03:27:07,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 03:27:07" (1/1) ... [2022-11-15 03:27:07,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 03:27:07,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 03:27:07,571 WARN L233 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_68-pfscan_protected_loop_minimal_interval_true.i[1115,1128] [2022-11-15 03:27:07,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 03:27:07,701 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 03:27:07,711 WARN L233 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_68-pfscan_protected_loop_minimal_interval_true.i[1115,1128] [2022-11-15 03:27:07,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 03:27:07,757 INFO L208 MainTranslator]: Completed translation [2022-11-15 03:27:07,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:27:07 WrapperNode [2022-11-15 03:27:07,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 03:27:07,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 03:27:07,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 03:27:07,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 03:27:07,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:27:07" (1/1) ... [2022-11-15 03:27:07,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:27:07" (1/1) ... [2022-11-15 03:27:07,827 INFO L138 Inliner]: procedures = 165, calls = 35, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 124 [2022-11-15 03:27:07,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 03:27:07,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 03:27:07,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 03:27:07,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 03:27:07,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:27:07" (1/1) ... [2022-11-15 03:27:07,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:27:07" (1/1) ... [2022-11-15 03:27:07,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:27:07" (1/1) ... [2022-11-15 03:27:07,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:27:07" (1/1) ... [2022-11-15 03:27:07,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:27:07" (1/1) ... [2022-11-15 03:27:07,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:27:07" (1/1) ... [2022-11-15 03:27:07,861 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:27:07" (1/1) ... [2022-11-15 03:27:07,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:27:07" (1/1) ... [2022-11-15 03:27:07,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 03:27:07,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 03:27:07,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 03:27:07,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 03:27:07,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:27:07" (1/1) ... [2022-11-15 03:27:07,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 03:27:07,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 03:27:07,911 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) [2022-11-15 03:27:07,922 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 [2022-11-15 03:27:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 03:27:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2022-11-15 03:27:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2022-11-15 03:27:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 03:27:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-15 03:27:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 03:27:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 03:27:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 03:27:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 03:27:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 03:27:07,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 03:27:07,945 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 03:27:08,125 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 03:27:08,126 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 03:27:08,344 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 03:27:08,352 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 03:27:08,352 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-15 03:27:08,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 03:27:08 BoogieIcfgContainer [2022-11-15 03:27:08,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 03:27:08,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 03:27:08,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 03:27:08,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 03:27:08,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 03:27:07" (1/3) ... [2022-11-15 03:27:08,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@990cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 03:27:08, skipping insertion in model container [2022-11-15 03:27:08,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:27:07" (2/3) ... [2022-11-15 03:27:08,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@990cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 03:27:08, skipping insertion in model container [2022-11-15 03:27:08,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 03:27:08" (3/3) ... [2022-11-15 03:27:08,376 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2022-11-15 03:27:08,382 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 03:27:08,389 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 03:27:08,389 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-15 03:27:08,389 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 03:27:08,440 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-15 03:27:08,473 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 03:27:08,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 03:27:08,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 03:27:08,476 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) [2022-11-15 03:27:08,486 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 [2022-11-15 03:27:08,518 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 03:27:08,532 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 03:27:08,538 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;@52cc32f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 03:27:08,538 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 03:27:08,719 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 03:27:08,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 03:27:08,724 INFO L85 PathProgramCache]: Analyzing trace with hash 776007129, now seen corresponding path program 1 times [2022-11-15 03:27:08,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 03:27:08,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859250997] [2022-11-15 03:27:08,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:27:08,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 03:27:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 03:27:09,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 03:27:09,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 03:27:09,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859250997] [2022-11-15 03:27:09,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859250997] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 03:27:09,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 03:27:09,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-15 03:27:09,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197581200] [2022-11-15 03:27:09,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 03:27:09,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 03:27:09,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 03:27:09,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 03:27:09,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-15 03:27:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:27:09,161 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 03:27:09,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) 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) [2022-11-15 03:27:09,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:27:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 03:27:09,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 03:27:09,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 03:27:09,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 03:27:09,441 INFO L85 PathProgramCache]: Analyzing trace with hash 447938949, now seen corresponding path program 1 times [2022-11-15 03:27:09,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 03:27:09,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802359434] [2022-11-15 03:27:09,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:27:09,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 03:27:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 03:27:10,563 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-15 03:27:10,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 03:27:10,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802359434] [2022-11-15 03:27:10,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802359434] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 03:27:10,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488694238] [2022-11-15 03:27:10,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:27:10,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 03:27:10,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 03:27:10,580 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) [2022-11-15 03:27:10,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-15 03:27:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 03:27:10,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-15 03:27:10,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 03:27:11,206 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 15 treesize of output 7 [2022-11-15 03:27:11,493 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 [2022-11-15 03:27:12,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 16 [2022-11-15 03:27:12,098 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 15 treesize of output 7 [2022-11-15 03:27:12,139 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 03:27:12,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 03:27:12,799 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 28 treesize of output 24 [2022-11-15 03:27:13,051 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 7 treesize of output 3 [2022-11-15 03:27:13,076 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 03:27:13,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488694238] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 03:27:13,077 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 03:27:13,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 18, 17] total 44 [2022-11-15 03:27:13,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867652344] [2022-11-15 03:27:13,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 03:27:13,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-11-15 03:27:13,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 03:27:13,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-11-15 03:27:13,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=1766, Unknown=0, NotChecked=0, Total=1980 [2022-11-15 03:27:13,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:27:13,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 03:27:13,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 8.886363636363637) internal successors, (391), 45 states have internal predecessors, (391), 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) [2022-11-15 03:27:13,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 03:27:13,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:27:14,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 03:27:14,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 03:27:14,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-15 03:27:14,831 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,SelfDestructingSolverStorable1 [2022-11-15 03:27:14,832 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 03:27:14,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 03:27:14,832 INFO L85 PathProgramCache]: Analyzing trace with hash 268897527, now seen corresponding path program 2 times [2022-11-15 03:27:14,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 03:27:14,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533875708] [2022-11-15 03:27:14,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:27:14,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 03:27:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 03:27:15,969 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 128 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-15 03:27:15,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 03:27:15,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533875708] [2022-11-15 03:27:15,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533875708] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 03:27:15,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712120911] [2022-11-15 03:27:15,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 03:27:15,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 03:27:15,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 03:27:15,976 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) [2022-11-15 03:27:15,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-15 03:27:16,107 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 03:27:16,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 03:27:16,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 67 conjunts are in the unsatisfiable core [2022-11-15 03:27:16,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 03:27:16,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 16 [2022-11-15 03:27:17,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 16 [2022-11-15 03:27:17,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 16 [2022-11-15 03:27:17,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 03:27:18,098 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-15 03:27:18,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 22 [2022-11-15 03:27:18,158 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 03:27:18,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 18 [2022-11-15 03:27:18,227 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 12 proven. 140 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-15 03:27:18,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 03:27:18,584 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 35 treesize of output 27 [2022-11-15 03:27:33,924 INFO L321 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2022-11-15 03:27:33,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 32 [2022-11-15 03:27:34,059 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 10 proven. 142 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-15 03:27:34,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712120911] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 03:27:34,059 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 03:27:34,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 27, 26] total 71 [2022-11-15 03:27:34,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587335729] [2022-11-15 03:27:34,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 03:27:34,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-11-15 03:27:34,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 03:27:34,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-11-15 03:27:34,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=4713, Unknown=4, NotChecked=0, Total=5112 [2022-11-15 03:27:34,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:27:34,064 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 03:27:34,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 71 states have (on average 7.774647887323944) internal successors, (552), 72 states have internal predecessors, (552), 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) [2022-11-15 03:27:34,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 03:27:34,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 03:27:34,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:28:05,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 03:28:05,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-11-15 03:28:05,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-11-15 03:28:05,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 03:28:05,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-15 03:28:05,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 03:28:05,994 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1] [2022-11-15 03:28:05,996 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (1/9) [2022-11-15 03:28:06,000 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 03:28:06,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 03:28:06,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 03:28:06,001 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 03:28:06,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-11-15 03:28:06,012 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 03:28:06,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 03:28:06,013 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;@52cc32f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 03:28:06,013 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 03:28:06,139 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 03:28:06,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 03:28:06,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1713582480, now seen corresponding path program 1 times [2022-11-15 03:28:06,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 03:28:06,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253061564] [2022-11-15 03:28:06,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:28:06,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 03:28:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 03:28:06,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 03:28:06,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 03:28:06,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253061564] [2022-11-15 03:28:06,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253061564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 03:28:06,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 03:28:06,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-15 03:28:06,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5813454] [2022-11-15 03:28:06,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 03:28:06,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-15 03:28:06,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 03:28:06,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-15 03:28:06,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-11-15 03:28:06,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:28:06,470 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 03:28:06,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.933333333333333) internal successors, (59), 16 states have internal predecessors, (59), 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) [2022-11-15 03:28:06,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:28:06,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:28:06,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-15 03:28:06,960 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 03:28:06,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 03:28:06,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1391061694, now seen corresponding path program 1 times [2022-11-15 03:28:06,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 03:28:06,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986537040] [2022-11-15 03:28:06,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:28:06,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 03:28:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 03:28:07,206 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 03:28:07,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 03:28:07,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986537040] [2022-11-15 03:28:07,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986537040] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 03:28:07,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140411226] [2022-11-15 03:28:07,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:28:07,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 03:28:07,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 03:28:07,210 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) [2022-11-15 03:28:07,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-15 03:28:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 03:28:07,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-15 03:28:07,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 03:28:07,539 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 [2022-11-15 03:28:07,682 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 17 treesize of output 9 [2022-11-15 03:28:07,687 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 03:28:07,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 03:28:07,822 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 32 treesize of output 28 [2022-11-15 03:28:07,878 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 03:28:07,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140411226] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 03:28:07,878 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 03:28:07,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 24 [2022-11-15 03:28:07,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013914942] [2022-11-15 03:28:07,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 03:28:07,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-15 03:28:07,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 03:28:07,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-15 03:28:07,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2022-11-15 03:28:07,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:28:07,881 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 03:28:07,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 8.125) internal successors, (195), 25 states have internal predecessors, (195), 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) [2022-11-15 03:28:07,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:28:07,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:28:08,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:28:08,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 03:28:08,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-15 03:28:08,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 03:28:08,569 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 03:28:08,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 03:28:08,570 INFO L85 PathProgramCache]: Analyzing trace with hash 577206838, now seen corresponding path program 1 times [2022-11-15 03:28:08,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 03:28:08,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587698698] [2022-11-15 03:28:08,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:28:08,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 03:28:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 03:28:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 51 proven. 33 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 03:28:09,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 03:28:09,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587698698] [2022-11-15 03:28:09,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587698698] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 03:28:09,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112712302] [2022-11-15 03:28:09,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:28:09,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 03:28:09,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 03:28:09,504 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 03:28:09,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-15 03:28:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 03:28:09,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 61 conjunts are in the unsatisfiable core [2022-11-15 03:28:09,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 03:28:09,826 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 [2022-11-15 03:28:10,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 03:28:10,368 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 [2022-11-15 03:28:11,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 16 [2022-11-15 03:28:11,037 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 15 treesize of output 7 [2022-11-15 03:28:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 39 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-15 03:28:11,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 03:28:11,616 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 32 treesize of output 28 [2022-11-15 03:28:12,124 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 44 proven. 40 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 03:28:12,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112712302] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 03:28:12,124 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 03:28:12,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 19] total 56 [2022-11-15 03:28:12,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938679341] [2022-11-15 03:28:12,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 03:28:12,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-11-15 03:28:12,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 03:28:12,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-11-15 03:28:12,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=2879, Unknown=0, NotChecked=0, Total=3192 [2022-11-15 03:28:12,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:28:12,127 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 03:28:12,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 56 states have (on average 8.035714285714286) internal successors, (450), 57 states have internal predecessors, (450), 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) [2022-11-15 03:28:12,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:28:12,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 03:28:12,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:28:16,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:28:16,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 03:28:16,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-11-15 03:28:16,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-15 03:28:16,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 03:28:16,635 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 03:28:16,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 03:28:16,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1288461436, now seen corresponding path program 1 times [2022-11-15 03:28:16,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 03:28:16,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537254961] [2022-11-15 03:28:16,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:28:16,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 03:28:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 03:28:17,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2639 backedges. 1308 proven. 1 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2022-11-15 03:28:17,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 03:28:17,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537254961] [2022-11-15 03:28:17,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537254961] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 03:28:17,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922640610] [2022-11-15 03:28:17,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:28:17,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 03:28:17,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 03:28:17,012 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 03:28:17,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-15 03:28:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 03:28:17,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-15 03:28:17,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 03:28:17,272 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 15 treesize of output 7 [2022-11-15 03:28:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2639 backedges. 1308 proven. 1 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2022-11-15 03:28:17,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 03:28:17,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2639 backedges. 1308 proven. 1 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2022-11-15 03:28:17,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922640610] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 03:28:17,313 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 03:28:17,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2022-11-15 03:28:17,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429058723] [2022-11-15 03:28:17,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 03:28:17,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 03:28:17,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 03:28:17,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 03:28:17,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-15 03:28:17,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:28:17,316 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 03:28:17,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 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) [2022-11-15 03:28:17,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:28:17,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 03:28:17,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-11-15 03:28:17,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:28:17,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:28:17,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 03:28:17,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-11-15 03:28:17,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 03:28:17,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-15 03:28:17,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 03:28:17,633 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 03:28:17,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 03:28:17,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1823666846, now seen corresponding path program 2 times [2022-11-15 03:28:17,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 03:28:17,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402914895] [2022-11-15 03:28:17,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:28:17,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 03:28:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 03:28:20,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 1026 proven. 398 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2022-11-15 03:28:20,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 03:28:20,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402914895] [2022-11-15 03:28:20,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402914895] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 03:28:20,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508606673] [2022-11-15 03:28:20,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 03:28:20,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 03:28:20,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 03:28:20,861 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 03:28:20,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-15 03:28:21,051 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 03:28:21,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 03:28:21,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 94 conjunts are in the unsatisfiable core [2022-11-15 03:28:21,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 03:28:21,333 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 [2022-11-15 03:28:21,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 16 [2022-11-15 03:28:22,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 18 [2022-11-15 03:28:22,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 16 [2022-11-15 03:28:23,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 03:28:23,287 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 [2022-11-15 03:28:23,626 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 15 treesize of output 7 [2022-11-15 03:28:23,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 937 proven. 478 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-11-15 03:28:23,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 03:28:23,919 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 28 treesize of output 24 [2022-11-15 03:28:25,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 1139 proven. 276 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-11-15 03:28:25,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508606673] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 03:28:25,526 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 03:28:25,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 31, 27] total 90 [2022-11-15 03:28:25,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188116140] [2022-11-15 03:28:25,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 03:28:25,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2022-11-15 03:28:25,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 03:28:25,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2022-11-15 03:28:25,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=774, Invalid=7236, Unknown=0, NotChecked=0, Total=8010 [2022-11-15 03:28:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:28:25,530 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 03:28:25,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 8.755555555555556) internal successors, (788), 90 states have internal predecessors, (788), 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) [2022-11-15 03:28:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:28:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 03:28:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-11-15 03:28:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 03:28:25,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:28:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:28:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 03:28:32,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-11-15 03:28:32,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 03:28:32,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-11-15 03:28:32,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-15 03:28:33,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-15 03:28:33,170 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 03:28:33,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 03:28:33,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1442299658, now seen corresponding path program 2 times [2022-11-15 03:28:33,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 03:28:33,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112963763] [2022-11-15 03:28:33,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:28:33,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 03:28:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 03:28:34,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1207 backedges. 657 proven. 97 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2022-11-15 03:28:34,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 03:28:34,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112963763] [2022-11-15 03:28:34,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112963763] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 03:28:34,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785139495] [2022-11-15 03:28:34,694 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 03:28:34,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 03:28:34,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 03:28:34,695 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 03:28:34,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-15 03:28:34,877 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 03:28:34,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 03:28:34,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 139 conjunts are in the unsatisfiable core [2022-11-15 03:28:34,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 03:28:35,104 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 [2022-11-15 03:28:35,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 16 [2022-11-15 03:28:35,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 18 [2022-11-15 03:28:36,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 16 [2022-11-15 03:28:36,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 16 [2022-11-15 03:28:37,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 03:28:37,179 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 [2022-11-15 03:28:37,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 16 [2022-11-15 03:28:38,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 16 [2022-11-15 03:28:39,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 03:28:39,562 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 [2022-11-15 03:28:39,614 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 15 treesize of output 7 [2022-11-15 03:28:39,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1207 backedges. 579 proven. 616 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-15 03:28:39,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 03:28:39,836 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 32 treesize of output 28 [2022-11-15 03:28:41,876 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 32 treesize of output 28 [2022-11-15 03:28:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1207 backedges. 912 proven. 283 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-15 03:28:44,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785139495] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 03:28:44,608 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 03:28:44,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 50, 47] total 121 [2022-11-15 03:28:44,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930740573] [2022-11-15 03:28:44,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 03:28:44,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2022-11-15 03:28:44,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 03:28:44,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2022-11-15 03:28:44,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1473, Invalid=13289, Unknown=0, NotChecked=0, Total=14762 [2022-11-15 03:28:44,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:28:44,613 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 03:28:44,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 121 states have (on average 7.5041322314049586) internal successors, (908), 122 states have internal predecessors, (908), 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) [2022-11-15 03:28:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:28:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 03:28:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-11-15 03:28:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 03:28:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2022-11-15 03:28:44,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:29:08,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:29:08,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 03:29:08,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-11-15 03:29:08,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 03:29:08,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2022-11-15 03:29:08,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2022-11-15 03:29:08,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-15 03:29:08,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 03:29:08,909 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 03:29:08,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 03:29:08,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1033083968, now seen corresponding path program 1 times [2022-11-15 03:29:08,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 03:29:08,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069271139] [2022-11-15 03:29:08,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:29:08,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 03:29:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 03:29:09,847 INFO L134 CoverageAnalysis]: Checked inductivity of 11144 backedges. 4907 proven. 7 refuted. 0 times theorem prover too weak. 6230 trivial. 0 not checked. [2022-11-15 03:29:09,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 03:29:09,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069271139] [2022-11-15 03:29:09,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069271139] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 03:29:09,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267269951] [2022-11-15 03:29:09,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:29:09,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 03:29:09,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 03:29:09,850 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 03:29:09,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-15 03:29:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 03:29:10,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 1956 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-15 03:29:10,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 03:29:12,122 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 [2022-11-15 03:29:12,321 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 15 treesize of output 7 [2022-11-15 03:29:12,335 INFO L134 CoverageAnalysis]: Checked inductivity of 11144 backedges. 5010 proven. 148 refuted. 0 times theorem prover too weak. 5986 trivial. 0 not checked. [2022-11-15 03:29:12,335 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 03:29:12,450 INFO L134 CoverageAnalysis]: Checked inductivity of 11144 backedges. 4907 proven. 7 refuted. 0 times theorem prover too weak. 6230 trivial. 0 not checked. [2022-11-15 03:29:12,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267269951] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 03:29:12,451 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 03:29:12,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 9] total 21 [2022-11-15 03:29:12,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672517852] [2022-11-15 03:29:12,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 03:29:12,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-15 03:29:12,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 03:29:12,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-15 03:29:12,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2022-11-15 03:29:12,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:29:12,457 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 03:29:12,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 17.333333333333332) internal successors, (364), 21 states have internal predecessors, (364), 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) [2022-11-15 03:29:12,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:29:12,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 03:29:12,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-11-15 03:29:12,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 03:29:12,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2022-11-15 03:29:12,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2022-11-15 03:29:12,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:29:12,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:29:12,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 03:29:12,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-11-15 03:29:12,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 03:29:12,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2022-11-15 03:29:12,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2022-11-15 03:29:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-15 03:29:12,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-15 03:29:13,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-15 03:29:13,116 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 03:29:13,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 03:29:13,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1836643407, now seen corresponding path program 2 times [2022-11-15 03:29:13,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 03:29:13,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337235137] [2022-11-15 03:29:13,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:29:13,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 03:29:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 03:29:30,113 INFO L134 CoverageAnalysis]: Checked inductivity of 6333 backedges. 3087 proven. 3179 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-11-15 03:29:30,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 03:29:30,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337235137] [2022-11-15 03:29:30,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337235137] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 03:29:30,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746634080] [2022-11-15 03:29:30,114 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 03:29:30,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 03:29:30,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 03:29:30,115 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 03:29:30,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-15 03:29:30,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 03:29:30,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 03:29:30,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 1508 conjuncts, 87 conjunts are in the unsatisfiable core [2022-11-15 03:29:30,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 03:29:33,080 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 [2022-11-15 03:29:33,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 03:29:34,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-15 03:29:35,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 16 [2022-11-15 03:29:36,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 16 [2022-11-15 03:29:36,314 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 15 treesize of output 7 [2022-11-15 03:29:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 6333 backedges. 3889 proven. 201 refuted. 0 times theorem prover too weak. 2243 trivial. 0 not checked. [2022-11-15 03:29:36,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 03:29:46,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6333 backedges. 1603 proven. 56 refuted. 0 times theorem prover too weak. 4674 trivial. 0 not checked. [2022-11-15 03:29:46,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746634080] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 03:29:46,001 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 03:29:46,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [116, 30, 25] total 169 [2022-11-15 03:29:46,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938762831] [2022-11-15 03:29:46,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 03:29:46,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 170 states [2022-11-15 03:29:46,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 03:29:46,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2022-11-15 03:29:46,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2051, Invalid=26676, Unknown=3, NotChecked=0, Total=28730 [2022-11-15 03:29:46,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:29:46,010 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 03:29:46,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 170 states, 169 states have (on average 6.952662721893491) internal successors, (1175), 170 states have internal predecessors, (1175), 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) [2022-11-15 03:29:46,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:29:46,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 03:29:46,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-11-15 03:29:46,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 03:29:46,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2022-11-15 03:29:46,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2022-11-15 03:29:46,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-15 03:29:46,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:30:43,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:30:43,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 03:30:43,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-11-15 03:30:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 03:30:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 282 states. [2022-11-15 03:30:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 284 states. [2022-11-15 03:30:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-15 03:30:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 323 states. [2022-11-15 03:30:43,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-15 03:30:43,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-15 03:30:43,746 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 03:30:43,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 03:30:43,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1662842189, now seen corresponding path program 3 times [2022-11-15 03:30:43,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 03:30:43,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345120961] [2022-11-15 03:30:43,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:30:43,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 03:30:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 03:32:45,187 INFO L134 CoverageAnalysis]: Checked inductivity of 176660 backedges. 112530 proven. 7879 refuted. 0 times theorem prover too weak. 56251 trivial. 0 not checked. [2022-11-15 03:32:45,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 03:32:45,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345120961] [2022-11-15 03:32:45,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345120961] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 03:32:45,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479418922] [2022-11-15 03:32:45,188 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-15 03:32:45,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 03:32:45,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 03:32:45,191 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 03:32:45,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-15 03:32:45,644 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-15 03:32:45,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 03:32:45,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-15 03:32:45,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 03:33:09,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 16 [2022-11-15 03:33:09,878 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 15 treesize of output 7 [2022-11-15 03:33:09,983 INFO L134 CoverageAnalysis]: Checked inductivity of 176660 backedges. 1270 proven. 778 refuted. 0 times theorem prover too weak. 174612 trivial. 0 not checked. [2022-11-15 03:33:09,984 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 03:33:10,547 INFO L321 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2022-11-15 03:33:10,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 36 [2022-11-15 03:33:10,891 INFO L134 CoverageAnalysis]: Checked inductivity of 176660 backedges. 2030 proven. 18 refuted. 0 times theorem prover too weak. 174612 trivial. 0 not checked. [2022-11-15 03:33:10,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479418922] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 03:33:10,892 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 03:33:10,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 13, 12] total 161 [2022-11-15 03:33:10,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189963973] [2022-11-15 03:33:10,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 03:33:10,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2022-11-15 03:33:10,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 03:33:10,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2022-11-15 03:33:10,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1688, Invalid=24072, Unknown=0, NotChecked=0, Total=25760 [2022-11-15 03:33:10,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:33:10,902 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 03:33:10,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 7.850931677018633) internal successors, (1264), 161 states have internal predecessors, (1264), 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) [2022-11-15 03:33:10,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:33:10,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 03:33:10,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-11-15 03:33:10,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 03:33:10,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 282 states. [2022-11-15 03:33:10,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 284 states. [2022-11-15 03:33:10,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-15 03:33:10,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 323 states. [2022-11-15 03:33:10,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:34:08,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:34:08,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 03:34:08,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-11-15 03:34:08,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 03:34:08,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2022-11-15 03:34:08,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 420 states. [2022-11-15 03:34:08,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-15 03:34:08,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 414 states. [2022-11-15 03:34:08,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2022-11-15 03:34:08,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-11-15 03:34:08,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-15 03:34:08,562 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 03:34:08,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 03:34:08,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1132635092, now seen corresponding path program 1 times [2022-11-15 03:34:08,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 03:34:08,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266990565] [2022-11-15 03:34:08,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:34:08,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 03:34:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 03:34:24,238 INFO L134 CoverageAnalysis]: Checked inductivity of 715366 backedges. 343406 proven. 0 refuted. 0 times theorem prover too weak. 371960 trivial. 0 not checked. [2022-11-15 03:34:24,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 03:34:24,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266990565] [2022-11-15 03:34:24,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266990565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 03:34:24,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 03:34:24,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-15 03:34:24,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907030268] [2022-11-15 03:34:24,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 03:34:24,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-15 03:34:24,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 03:34:24,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-15 03:34:24,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-15 03:34:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:34:24,245 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 03:34:24,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.6) internal successors, (208), 5 states have internal predecessors, (208), 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) [2022-11-15 03:34:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:34:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 03:34:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-11-15 03:34:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 03:34:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2022-11-15 03:34:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 420 states. [2022-11-15 03:34:24,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-15 03:34:24,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 414 states. [2022-11-15 03:34:24,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2022-11-15 03:34:24,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 03:34:31,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 03:34:31,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 03:34:31,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-11-15 03:34:31,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 03:34:31,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2022-11-15 03:34:31,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 427 states. [2022-11-15 03:34:31,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-15 03:34:31,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 434 states. [2022-11-15 03:34:31,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 305 states. [2022-11-15 03:34:31,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 03:34:31,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-15 03:34:31,293 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 03:34:31,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 03:34:31,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1592489763, now seen corresponding path program 1 times [2022-11-15 03:34:31,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 03:34:31,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290292962] [2022-11-15 03:34:31,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 03:34:31,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 03:34:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-11-15 03:40:40,818 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-15 03:40:40,818 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-15 03:40:40,818 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-15 03:40:41,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-15 03:40:41,205 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:152) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:260) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:237) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:848) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:776) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:284) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-15 03:40:41,208 INFO L158 Benchmark]: Toolchain (without parser) took 813863.65ms. Allocated memory was 219.2MB in the beginning and 4.5GB in the end (delta: 4.3GB). Free memory was 184.4MB in the beginning and 3.9GB in the end (delta: -3.7GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2022-11-15 03:40:41,208 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 219.2MB. Free memory is still 174.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 03:40:41,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.17ms. Allocated memory is still 219.2MB. Free memory was 184.1MB in the beginning and 177.6MB in the end (delta: 6.5MB). Peak memory consumption was 6.8MB. Max. memory is 8.0GB. [2022-11-15 03:40:41,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.67ms. Allocated memory is still 219.2MB. Free memory was 177.6MB in the beginning and 175.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 03:40:41,209 INFO L158 Benchmark]: Boogie Preprocessor took 35.49ms. Allocated memory is still 219.2MB. Free memory was 175.3MB in the beginning and 173.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 03:40:41,209 INFO L158 Benchmark]: RCFGBuilder took 489.15ms. Allocated memory is still 219.2MB. Free memory was 173.6MB in the beginning and 157.1MB in the end (delta: 16.4MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-11-15 03:40:41,209 INFO L158 Benchmark]: TraceAbstraction took 812851.99ms. Allocated memory was 219.2MB in the beginning and 4.5GB in the end (delta: 4.3GB). Free memory was 156.4MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2022-11-15 03:40:41,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 219.2MB. Free memory is still 174.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 412.17ms. Allocated memory is still 219.2MB. Free memory was 184.1MB in the beginning and 177.6MB in the end (delta: 6.5MB). Peak memory consumption was 6.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 68.67ms. Allocated memory is still 219.2MB. Free memory was 177.6MB in the beginning and 175.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.49ms. Allocated memory is still 219.2MB. Free memory was 175.3MB in the beginning and 173.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 489.15ms. Allocated memory is still 219.2MB. Free memory was 173.6MB in the beginning and 157.1MB in the end (delta: 16.4MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 812851.99ms. Allocated memory was 219.2MB in the beginning and 4.5GB in the end (delta: 4.3GB). Free memory was 156.4MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1447, independent: 1445, independent conditional: 21, independent unconditional: 1424, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28650, independent: 27577, independent conditional: 4450, independent unconditional: 23127, dependent: 1073, dependent conditional: 1046, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27726, independent: 27577, independent conditional: 0, independent unconditional: 27577, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5067, independent: 5058, independent conditional: 0, independent unconditional: 5058, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27726, independent: 22519, independent conditional: 0, independent unconditional: 22519, dependent: 140, dependent conditional: 0, dependent unconditional: 140, unknown: 5067, unknown conditional: 0, unknown unconditional: 5067] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1369, Positive conditional cache size: 0, Positive unconditional cache size: 1369, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 5334, independent: 5302, independent conditional: 164, independent unconditional: 5138, dependent: 32, dependent conditional: 27, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28650, independent: 27577, independent conditional: 4450, independent unconditional: 23127, dependent: 1073, dependent conditional: 1046, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27726, independent: 27577, independent conditional: 0, independent unconditional: 27577, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5067, independent: 5058, independent conditional: 0, independent unconditional: 5058, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27726, independent: 22519, independent conditional: 0, independent unconditional: 22519, dependent: 140, dependent conditional: 0, dependent unconditional: 140, unknown: 5067, unknown conditional: 0, unknown unconditional: 5067] , Statistics on independence cache: Total cache size (in pairs): 3582, Positive cache size: 3579, Positive conditional cache size: 0, Positive unconditional cache size: 3579, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 27, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 8512, independent: 8397, independent conditional: 459, independent unconditional: 7938, dependent: 115, dependent conditional: 105, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28650, independent: 27577, independent conditional: 4450, independent unconditional: 23127, dependent: 1073, dependent conditional: 1046, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27726, independent: 27577, independent conditional: 0, independent unconditional: 27577, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5067, independent: 5058, independent conditional: 0, independent unconditional: 5058, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27726, independent: 22519, independent conditional: 0, independent unconditional: 22519, dependent: 140, dependent conditional: 0, dependent unconditional: 140, unknown: 5067, unknown conditional: 0, unknown unconditional: 5067] , Statistics on independence cache: Total cache size (in pairs): 4791, Positive cache size: 4783, Positive conditional cache size: 0, Positive unconditional cache size: 4783, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 122, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 13357, independent: 12433, independent conditional: 3806, independent unconditional: 8627, dependent: 924, dependent conditional: 912, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28650, independent: 27577, independent conditional: 4450, independent unconditional: 23127, dependent: 1073, dependent conditional: 1046, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27726, independent: 27577, independent conditional: 0, independent unconditional: 27577, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5067, independent: 5058, independent conditional: 0, independent unconditional: 5058, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27726, independent: 22519, independent conditional: 0, independent unconditional: 22519, dependent: 140, dependent conditional: 0, dependent unconditional: 140, unknown: 5067, unknown conditional: 0, unknown unconditional: 5067] , Statistics on independence cache: Total cache size (in pairs): 5067, Positive cache size: 5058, Positive conditional cache size: 0, Positive unconditional cache size: 5058, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 924, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 58, Number of trivial persistent sets: 41, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 1447, independent: 1445, independent conditional: 21, independent unconditional: 1424, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28650, independent: 27577, independent conditional: 4450, independent unconditional: 23127, dependent: 1073, dependent conditional: 1046, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27726, independent: 27577, independent conditional: 0, independent unconditional: 27577, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5067, independent: 5058, independent conditional: 0, independent unconditional: 5058, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27726, independent: 22519, independent conditional: 0, independent unconditional: 22519, dependent: 140, dependent conditional: 0, dependent unconditional: 140, unknown: 5067, unknown conditional: 0, unknown unconditional: 5067] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1369, Positive conditional cache size: 0, Positive unconditional cache size: 1369, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 180, Number of trivial persistent sets: 125, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 5334, independent: 5302, independent conditional: 164, independent unconditional: 5138, dependent: 32, dependent conditional: 27, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28650, independent: 27577, independent conditional: 4450, independent unconditional: 23127, dependent: 1073, dependent conditional: 1046, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27726, independent: 27577, independent conditional: 0, independent unconditional: 27577, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5067, independent: 5058, independent conditional: 0, independent unconditional: 5058, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27726, independent: 22519, independent conditional: 0, independent unconditional: 22519, dependent: 140, dependent conditional: 0, dependent unconditional: 140, unknown: 5067, unknown conditional: 0, unknown unconditional: 5067] , Statistics on independence cache: Total cache size (in pairs): 3582, Positive cache size: 3579, Positive conditional cache size: 0, Positive unconditional cache size: 3579, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 27, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 252, Number of trivial persistent sets: 143, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 8512, independent: 8397, independent conditional: 459, independent unconditional: 7938, dependent: 115, dependent conditional: 105, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28650, independent: 27577, independent conditional: 4450, independent unconditional: 23127, dependent: 1073, dependent conditional: 1046, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27726, independent: 27577, independent conditional: 0, independent unconditional: 27577, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5067, independent: 5058, independent conditional: 0, independent unconditional: 5058, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27726, independent: 22519, independent conditional: 0, independent unconditional: 22519, dependent: 140, dependent conditional: 0, dependent unconditional: 140, unknown: 5067, unknown conditional: 0, unknown unconditional: 5067] , Statistics on independence cache: Total cache size (in pairs): 4791, Positive cache size: 4783, Positive conditional cache size: 0, Positive unconditional cache size: 4783, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 122, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 336, Number of trivial persistent sets: 198, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 13357, independent: 12433, independent conditional: 3806, independent unconditional: 8627, dependent: 924, dependent conditional: 912, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28650, independent: 27577, independent conditional: 4450, independent unconditional: 23127, dependent: 1073, dependent conditional: 1046, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27726, independent: 27577, independent conditional: 0, independent unconditional: 27577, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5067, independent: 5058, independent conditional: 0, independent unconditional: 5058, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27726, independent: 22519, independent conditional: 0, independent unconditional: 22519, dependent: 140, dependent conditional: 0, dependent unconditional: 140, unknown: 5067, unknown conditional: 0, unknown unconditional: 5067] , Statistics on independence cache: Total cache size (in pairs): 5067, Positive cache size: 5058, Positive conditional cache size: 0, Positive unconditional cache size: 5058, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 924, Statistics for Abstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:275) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown