/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 03:47:56,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 03:47:56,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 03:47:56,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 03:47:56,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 03:47:56,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 03:47:56,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 03:47:56,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 03:47:56,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 03:47:56,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 03:47:56,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 03:47:56,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 03:47:56,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 03:47:56,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 03:47:56,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 03:47:56,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 03:47:56,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 03:47:56,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 03:47:56,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 03:47:56,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 03:47:56,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 03:47:56,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 03:47:56,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 03:47:56,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 03:47:56,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-11 03:47:56,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 03:47:56,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 03:47:56,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 03:47:56,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 03:47:56,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 03:47:56,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 03:47:56,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 03:47:56,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 03:47:56,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 03:47:56,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 03:47:56,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 03:47:56,805 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2022-02-11 03:47:56,829 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 03:47:56,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 03:47:56,829 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 03:47:56,830 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 03:47:56,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 03:47:56,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 03:47:56,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 03:47:56,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 03:47:56,831 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 03:47:56,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 03:47:56,832 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 03:47:56,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 03:47:56,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 03:47:56,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 03:47:56,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 03:47:56,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 03:47:56,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 03:47:56,832 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 03:47:56,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 03:47:56,832 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 03:47:56,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 03:47:56,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 03:47:56,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 03:47:56,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 03:47:56,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 03:47:56,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 03:47:56,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 03:47:56,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 03:47:56,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 03:47:56,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 03:47:56,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 03:47:56,834 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 03:47:56,834 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 03:47:56,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 03:47:56,835 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 03:47:56,835 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2022-02-11 03:47:56,835 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 03:47:56,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 03:47:57,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 03:47:57,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 03:47:57,021 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 03:47:57,022 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 03:47:57,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2022-02-11 03:47:57,065 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0085d349/51936e52062a4aae91596677c8423123/FLAGb843b74a4 [2022-02-11 03:47:57,431 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 03:47:57,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2022-02-11 03:47:57,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0085d349/51936e52062a4aae91596677c8423123/FLAGb843b74a4 [2022-02-11 03:47:57,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0085d349/51936e52062a4aae91596677c8423123 [2022-02-11 03:47:57,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 03:47:57,467 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 03:47:57,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 03:47:57,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 03:47:57,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 03:47:57,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 03:47:57" (1/1) ... [2022-02-11 03:47:57,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c01269b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:57, skipping insertion in model container [2022-02-11 03:47:57,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 03:47:57" (1/1) ... [2022-02-11 03:47:57,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 03:47:57,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 03:47:57,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c[3027,3040] [2022-02-11 03:47:57,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 03:47:57,639 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 03:47:57,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c[3027,3040] [2022-02-11 03:47:57,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 03:47:57,666 INFO L208 MainTranslator]: Completed translation [2022-02-11 03:47:57,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:57 WrapperNode [2022-02-11 03:47:57,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 03:47:57,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 03:47:57,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 03:47:57,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 03:47:57,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:57" (1/1) ... [2022-02-11 03:47:57,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:57" (1/1) ... [2022-02-11 03:47:57,690 INFO L137 Inliner]: procedures = 22, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 143 [2022-02-11 03:47:57,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 03:47:57,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 03:47:57,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 03:47:57,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 03:47:57,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:57" (1/1) ... [2022-02-11 03:47:57,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:57" (1/1) ... [2022-02-11 03:47:57,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:57" (1/1) ... [2022-02-11 03:47:57,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:57" (1/1) ... [2022-02-11 03:47:57,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:57" (1/1) ... [2022-02-11 03:47:57,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:57" (1/1) ... [2022-02-11 03:47:57,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:57" (1/1) ... [2022-02-11 03:47:57,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 03:47:57,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 03:47:57,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 03:47:57,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 03:47:57,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:57" (1/1) ... [2022-02-11 03:47:57,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 03:47:57,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:47:57,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-11 03:47:57,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-11 03:47:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 03:47:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-11 03:47:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-11 03:47:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-11 03:47:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-11 03:47:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-11 03:47:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-11 03:47:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 03:47:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 03:47:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 03:47:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-11 03:47:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-11 03:47:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 03:47:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 03:47:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 03:47:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 03:47:57,779 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 03:47:57,850 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 03:47:57,851 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 03:47:57,990 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 03:47:58,082 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 03:47:58,082 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-11 03:47:58,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 03:47:58 BoogieIcfgContainer [2022-02-11 03:47:58,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 03:47:58,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 03:47:58,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 03:47:58,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 03:47:58,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 03:47:57" (1/3) ... [2022-02-11 03:47:58,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b7d6348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 03:47:58, skipping insertion in model container [2022-02-11 03:47:58,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:57" (2/3) ... [2022-02-11 03:47:58,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b7d6348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 03:47:58, skipping insertion in model container [2022-02-11 03:47:58,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 03:47:58" (3/3) ... [2022-02-11 03:47:58,089 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-5.wvr.c [2022-02-11 03:47:58,092 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 03:47:58,093 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 03:47:58,093 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 03:47:58,093 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 03:47:58,121 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,122 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,122 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,122 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,122 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,122 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,123 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,123 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,123 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,123 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,123 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,123 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,123 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,124 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,124 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,124 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,124 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,124 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,124 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,124 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,124 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,125 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,125 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,125 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,125 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,125 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,125 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,125 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,125 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,125 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,126 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,126 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,126 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,126 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,126 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,127 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,127 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,127 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,127 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,127 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,127 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,127 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,127 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,128 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,128 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,128 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,128 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,128 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,128 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,128 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,129 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,129 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,129 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,129 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,129 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,129 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,129 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,129 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,130 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,130 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,130 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,130 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,130 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,130 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,130 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,131 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,131 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,131 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,133 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,133 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,133 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,133 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,133 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,133 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,134 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,134 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,134 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,134 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,134 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,134 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,135 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,135 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,135 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,135 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,135 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,135 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,135 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,135 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,136 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,136 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:58,139 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-11 03:47:58,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 03:47:58,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:47:58,171 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 03:47:58,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-11 03:47:58,210 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 03:47:58,214 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-11 03:47:58,214 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-11 03:47:58,358 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:58,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:58,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1867839897, now seen corresponding path program 1 times [2022-02-11 03:47:58,368 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:58,368 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921646009] [2022-02-11 03:47:58,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:58,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:58,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:58,570 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:58,570 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921646009] [2022-02-11 03:47:58,571 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921646009] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:47:58,571 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:47:58,571 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 03:47:58,572 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758420475] [2022-02-11 03:47:58,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:47:58,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 03:47:58,576 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:58,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 03:47:58,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 03:47:58,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:58,598 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:58,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:47:58,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:58,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:58,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-11 03:47:58,642 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:58,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:58,643 INFO L85 PathProgramCache]: Analyzing trace with hash 725146855, now seen corresponding path program 1 times [2022-02-11 03:47:58,643 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:58,643 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827955927] [2022-02-11 03:47:58,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:58,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:58,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:58,848 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:58,848 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827955927] [2022-02-11 03:47:58,849 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827955927] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:47:58,849 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:47:58,849 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-11 03:47:58,849 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395134953] [2022-02-11 03:47:58,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:47:58,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 03:47:58,851 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:58,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 03:47:58,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-11 03:47:58,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:58,853 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:58,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:47:58,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:58,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:59,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:59,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:59,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-11 03:47:59,033 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:59,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:59,034 INFO L85 PathProgramCache]: Analyzing trace with hash 811646693, now seen corresponding path program 1 times [2022-02-11 03:47:59,034 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:59,034 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746484800] [2022-02-11 03:47:59,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:59,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:59,209 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:59,209 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746484800] [2022-02-11 03:47:59,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746484800] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:47:59,210 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:47:59,210 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 03:47:59,210 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373323772] [2022-02-11 03:47:59,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:47:59,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 03:47:59,211 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:59,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 03:47:59,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-11 03:47:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:59,213 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:59,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:47:59,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:59,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:59,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:59,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:59,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:59,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:59,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-11 03:47:59,350 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:59,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:59,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1909636828, now seen corresponding path program 1 times [2022-02-11 03:47:59,351 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:59,351 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171355722] [2022-02-11 03:47:59,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:59,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:59,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:59,550 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:59,551 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171355722] [2022-02-11 03:47:59,551 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171355722] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:47:59,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391561086] [2022-02-11 03:47:59,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:59,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:47:59,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:47:59,556 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) [2022-02-11 03:47:59,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-11 03:47:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:59,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-11 03:47:59,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:47:59,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:59,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:48:00,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:48:00,043 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391561086] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:48:00,043 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:48:00,043 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2022-02-11 03:48:00,044 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331775941] [2022-02-11 03:48:00,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:48:00,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-11 03:48:00,045 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:48:00,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-11 03:48:00,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2022-02-11 03:48:00,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:00,046 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:48:00,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.35) internal successors, (147), 20 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:48:00,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:00,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:00,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:00,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:00,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:00,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:00,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:00,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:48:00,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-11 03:48:00,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-02-11 03:48:00,860 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:48:00,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:48:00,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1909873790, now seen corresponding path program 1 times [2022-02-11 03:48:00,861 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:48:00,861 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104836043] [2022-02-11 03:48:00,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:48:00,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:48:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:48:01,024 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:48:01,025 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:48:01,025 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104836043] [2022-02-11 03:48:01,025 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104836043] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:48:01,025 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598255281] [2022-02-11 03:48:01,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:48:01,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:48:01,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:48:01,030 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) [2022-02-11 03:48:01,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-11 03:48:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:48:01,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-11 03:48:01,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:48:01,473 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-11 03:48:01,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:48:01,683 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-02-11 03:48:01,683 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598255281] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-11 03:48:01,683 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-11 03:48:01,684 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13, 7] total 21 [2022-02-11 03:48:01,684 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551514419] [2022-02-11 03:48:01,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:48:01,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 03:48:01,684 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:48:01,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 03:48:01,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2022-02-11 03:48:01,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:01,685 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:48:01,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:48:01,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:01,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:01,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:01,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:48:01,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:01,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:01,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:01,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:01,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:48:01,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:01,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-11 03:48:01,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:48:01,941 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:48:01,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:48:01,941 INFO L85 PathProgramCache]: Analyzing trace with hash 471379519, now seen corresponding path program 2 times [2022-02-11 03:48:01,942 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:48:01,942 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443450629] [2022-02-11 03:48:01,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:48:01,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:48:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:48:02,121 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 16 proven. 43 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 03:48:02,121 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:48:02,121 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443450629] [2022-02-11 03:48:02,121 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443450629] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:48:02,121 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606264874] [2022-02-11 03:48:02,122 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 03:48:02,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:48:02,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:48:02,123 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 03:48:02,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-11 03:48:02,202 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 03:48:02,202 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:48:02,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-11 03:48:02,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:48:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-02-11 03:48:02,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:48:02,653 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-11 03:48:02,654 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606264874] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:48:02,654 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:48:02,654 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 7] total 21 [2022-02-11 03:48:02,654 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254362304] [2022-02-11 03:48:02,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:48:02,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-11 03:48:02,655 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:48:02,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-11 03:48:02,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2022-02-11 03:48:02,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:02,655 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:48:02,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 9.761904761904763) internal successors, (205), 21 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) [2022-02-11 03:48:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:48:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:03,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:03,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:03,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:03,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-11 03:48:03,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:03,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:03,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-11 03:48:03,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:48:03,447 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:48:03,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:48:03,448 INFO L85 PathProgramCache]: Analyzing trace with hash 854335204, now seen corresponding path program 3 times [2022-02-11 03:48:03,448 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:48:03,448 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476903484] [2022-02-11 03:48:03,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:48:03,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:48:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:48:03,704 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 66 proven. 103 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-02-11 03:48:03,704 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:48:03,704 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476903484] [2022-02-11 03:48:03,704 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476903484] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:48:03,704 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715782323] [2022-02-11 03:48:03,704 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 03:48:03,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:48:03,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:48:03,720 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) [2022-02-11 03:48:03,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-11 03:48:03,818 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-02-11 03:48:03,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:48:03,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-11 03:48:03,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:48:04,132 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 114 proven. 30 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-02-11 03:48:04,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:48:04,382 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 114 proven. 28 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-02-11 03:48:04,382 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715782323] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:48:04,382 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:48:04,382 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 8] total 23 [2022-02-11 03:48:04,382 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495306956] [2022-02-11 03:48:04,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:48:04,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-11 03:48:04,383 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:48:04,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-11 03:48:04,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2022-02-11 03:48:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:04,384 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:48:04,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.869565217391305) internal successors, (227), 23 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:48:04,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:04,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:04,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:04,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-11 03:48:04,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:04,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:04,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:48:05,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-11 03:48:05,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:48:05,421 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:48:05,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:48:05,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1406861984, now seen corresponding path program 4 times [2022-02-11 03:48:05,422 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:48:05,422 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299752481] [2022-02-11 03:48:05,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:48:05,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:48:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:48:05,560 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 174 proven. 53 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-02-11 03:48:05,560 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:48:05,560 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299752481] [2022-02-11 03:48:05,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299752481] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:48:05,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613749983] [2022-02-11 03:48:05,562 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-11 03:48:05,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:48:05,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:48:05,563 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) [2022-02-11 03:48:05,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-11 03:48:05,649 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-11 03:48:05,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:48:05,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-11 03:48:05,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:48:05,943 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 177 proven. 57 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-02-11 03:48:05,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:48:06,272 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 179 proven. 53 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-02-11 03:48:06,274 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613749983] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:48:06,275 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:48:06,275 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 10] total 16 [2022-02-11 03:48:06,275 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418042554] [2022-02-11 03:48:06,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:48:06,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-11 03:48:06,276 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:48:06,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-11 03:48:06,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2022-02-11 03:48:06,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:06,278 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:48:06,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 12.5625) internal successors, (201), 16 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:48:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:06,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:06,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:06,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:48:06,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:06,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:06,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:06,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:06,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:06,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:06,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:06,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:48:06,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 03:48:06,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-11 03:48:06,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:48:06,587 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:48:06,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:48:06,588 INFO L85 PathProgramCache]: Analyzing trace with hash -263266176, now seen corresponding path program 5 times [2022-02-11 03:48:06,588 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:48:06,588 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245468175] [2022-02-11 03:48:06,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:48:06,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:48:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:48:06,867 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 252 proven. 164 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-11 03:48:06,867 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:48:06,868 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245468175] [2022-02-11 03:48:06,868 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245468175] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:48:06,868 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60670631] [2022-02-11 03:48:06,868 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-11 03:48:06,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:48:06,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:48:06,869 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) [2022-02-11 03:48:06,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-11 03:48:06,992 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-02-11 03:48:06,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:48:06,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 44 conjunts are in the unsatisfiable core [2022-02-11 03:48:06,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:48:07,745 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 101 proven. 315 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-11 03:48:07,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:48:08,479 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 127 proven. 289 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-11 03:48:08,479 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60670631] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:48:08,479 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:48:08,479 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 53 [2022-02-11 03:48:08,480 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589754130] [2022-02-11 03:48:08,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:48:08,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-02-11 03:48:08,480 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:48:08,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-02-11 03:48:08,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=767, Invalid=1989, Unknown=0, NotChecked=0, Total=2756 [2022-02-11 03:48:08,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:08,483 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:48:08,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 7.245283018867925) internal successors, (384), 53 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:48:08,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:08,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:08,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:08,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:08,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:08,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:08,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:48:08,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 03:48:08,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:10,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:48:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 03:48:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-11 03:48:10,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-11 03:48:10,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:48:10,867 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:48:10,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:48:10,867 INFO L85 PathProgramCache]: Analyzing trace with hash 936371620, now seen corresponding path program 6 times [2022-02-11 03:48:10,868 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:48:10,868 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005264649] [2022-02-11 03:48:10,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:48:10,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:48:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:48:11,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 767 proven. 176 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2022-02-11 03:48:11,131 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:48:11,131 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005264649] [2022-02-11 03:48:11,132 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005264649] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:48:11,132 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152251315] [2022-02-11 03:48:11,132 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-11 03:48:11,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:48:11,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:48:11,133 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) [2022-02-11 03:48:11,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-11 03:48:11,409 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2022-02-11 03:48:11,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:48:11,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 29 conjunts are in the unsatisfiable core [2022-02-11 03:48:11,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:48:11,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 765 proven. 188 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2022-02-11 03:48:11,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:48:12,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 775 proven. 176 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2022-02-11 03:48:12,216 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152251315] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:48:12,216 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:48:12,216 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18, 17] total 27 [2022-02-11 03:48:12,216 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393578281] [2022-02-11 03:48:12,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:48:12,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-11 03:48:12,217 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:48:12,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-11 03:48:12,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=441, Unknown=0, NotChecked=0, Total=702 [2022-02-11 03:48:12,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:12,218 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:48:12,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 10.296296296296296) internal successors, (278), 27 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:48:12,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:12,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:12,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:12,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:12,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:12,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:12,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:48:12,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 03:48:12,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-11 03:48:12,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:12,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:12,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:12,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:48:12,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 03:48:12,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-11 03:48:12,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:48:12,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-11 03:48:12,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-11 03:48:12,582 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:48:12,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:48:12,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1426808828, now seen corresponding path program 7 times [2022-02-11 03:48:12,583 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:48:12,583 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813952730] [2022-02-11 03:48:12,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:48:12,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:48:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:48:13,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1931 backedges. 1033 proven. 851 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-02-11 03:48:13,187 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:48:13,187 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813952730] [2022-02-11 03:48:13,187 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813952730] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:48:13,187 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611467387] [2022-02-11 03:48:13,187 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-11 03:48:13,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:48:13,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:48:13,200 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) [2022-02-11 03:48:13,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-11 03:48:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:48:13,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 79 conjunts are in the unsatisfiable core [2022-02-11 03:48:13,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:48:14,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1931 backedges. 392 proven. 1503 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-11 03:48:14,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:48:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1931 backedges. 453 proven. 1442 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-11 03:48:16,372 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611467387] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:48:16,372 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:48:16,372 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 34, 34] total 94 [2022-02-11 03:48:16,372 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386374113] [2022-02-11 03:48:16,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:48:16,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2022-02-11 03:48:16,373 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:48:16,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2022-02-11 03:48:16,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2538, Invalid=6204, Unknown=0, NotChecked=0, Total=8742 [2022-02-11 03:48:16,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:16,375 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:48:16,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 6.882978723404255) internal successors, (647), 94 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:48:16,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:16,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:16,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:16,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:16,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:16,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:16,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:48:16,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 03:48:16,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-11 03:48:16,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:48:16,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:21,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:21,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:21,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:21,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:21,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:21,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:21,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:48:21,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 03:48:21,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-11 03:48:21,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:48:21,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-11 03:48:21,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-11 03:48:21,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:48:21,628 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:48:21,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:48:21,629 INFO L85 PathProgramCache]: Analyzing trace with hash 711479237, now seen corresponding path program 8 times [2022-02-11 03:48:21,629 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:48:21,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701919260] [2022-02-11 03:48:21,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:48:21,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:48:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:48:22,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5345 backedges. 2431 proven. 2857 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-02-11 03:48:22,735 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:48:22,735 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701919260] [2022-02-11 03:48:22,735 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701919260] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:48:22,735 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994763692] [2022-02-11 03:48:22,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 03:48:22,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:48:22,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:48:22,737 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) [2022-02-11 03:48:22,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-11 03:48:22,903 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 03:48:22,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:48:22,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 51 conjunts are in the unsatisfiable core [2022-02-11 03:48:22,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:48:23,873 INFO L134 CoverageAnalysis]: Checked inductivity of 5345 backedges. 2934 proven. 779 refuted. 0 times theorem prover too weak. 1632 trivial. 0 not checked. [2022-02-11 03:48:23,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:48:24,458 INFO L134 CoverageAnalysis]: Checked inductivity of 5345 backedges. 2956 proven. 755 refuted. 0 times theorem prover too weak. 1634 trivial. 0 not checked. [2022-02-11 03:48:24,458 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994763692] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:48:24,458 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:48:24,458 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 31, 30] total 89 [2022-02-11 03:48:24,459 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620672161] [2022-02-11 03:48:24,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:48:24,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2022-02-11 03:48:24,460 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:48:24,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2022-02-11 03:48:24,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1781, Invalid=6051, Unknown=0, NotChecked=0, Total=7832 [2022-02-11 03:48:24,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:24,462 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:48:24,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 7.955056179775281) internal successors, (708), 89 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:48:24,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:24,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:24,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:24,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:24,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:24,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:24,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:48:24,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 03:48:24,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-11 03:48:24,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:48:24,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-11 03:48:24,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:30,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:30,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:30,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:30,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:30,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:30,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:30,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:48:30,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 03:48:30,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-11 03:48:30,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:48:30,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-02-11 03:48:30,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2022-02-11 03:48:30,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-11 03:48:30,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-11 03:48:30,498 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:48:30,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:48:30,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1968726790, now seen corresponding path program 9 times [2022-02-11 03:48:30,499 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:48:30,499 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580604647] [2022-02-11 03:48:30,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:48:30,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:48:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:48:32,668 INFO L134 CoverageAnalysis]: Checked inductivity of 14000 backedges. 6574 proven. 7323 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-02-11 03:48:32,669 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:48:32,669 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580604647] [2022-02-11 03:48:32,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580604647] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:48:32,669 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129991260] [2022-02-11 03:48:32,669 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 03:48:32,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:48:32,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:48:32,681 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) [2022-02-11 03:48:32,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-11 03:48:33,381 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 33 check-sat command(s) [2022-02-11 03:48:33,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:48:33,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 79 conjunts are in the unsatisfiable core [2022-02-11 03:48:33,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:48:35,526 INFO L134 CoverageAnalysis]: Checked inductivity of 14000 backedges. 7305 proven. 2772 refuted. 0 times theorem prover too weak. 3923 trivial. 0 not checked. [2022-02-11 03:48:35,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:48:36,704 INFO L134 CoverageAnalysis]: Checked inductivity of 14000 backedges. 7335 proven. 2738 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2022-02-11 03:48:36,704 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129991260] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:48:36,704 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:48:36,705 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 45, 44] total 131 [2022-02-11 03:48:36,705 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479726284] [2022-02-11 03:48:36,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:48:36,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2022-02-11 03:48:36,707 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:48:36,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2022-02-11 03:48:36,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3863, Invalid=13167, Unknown=0, NotChecked=0, Total=17030 [2022-02-11 03:48:36,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:36,713 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:48:36,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 7.7251908396946565) internal successors, (1012), 131 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:48:36,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:36,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:36,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:36,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:36,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:36,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:36,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:48:36,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 03:48:36,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-11 03:48:36,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:48:36,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-02-11 03:48:36,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2022-02-11 03:48:36,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:49,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:49,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:48:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 03:48:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-11 03:48:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:48:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-02-11 03:48:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2022-02-11 03:48:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 345 states. [2022-02-11 03:48:49,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-11 03:48:49,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-11 03:48:49,449 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:48:49,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:48:49,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1822716156, now seen corresponding path program 10 times [2022-02-11 03:48:49,450 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:48:49,450 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526925109] [2022-02-11 03:48:49,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:48:49,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:48:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:48:51,316 INFO L134 CoverageAnalysis]: Checked inductivity of 35114 backedges. 17752 proven. 6609 refuted. 0 times theorem prover too weak. 10753 trivial. 0 not checked. [2022-02-11 03:48:51,317 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:48:51,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526925109] [2022-02-11 03:48:51,317 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526925109] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:48:51,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525266939] [2022-02-11 03:48:51,317 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-11 03:48:51,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:48:51,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:48:51,320 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) [2022-02-11 03:48:51,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-11 03:48:51,629 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-11 03:48:51,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:48:51,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 2183 conjuncts, 118 conjunts are in the unsatisfiable core [2022-02-11 03:48:51,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:48:53,361 INFO L134 CoverageAnalysis]: Checked inductivity of 35114 backedges. 17709 proven. 6659 refuted. 0 times theorem prover too weak. 10746 trivial. 0 not checked. [2022-02-11 03:48:53,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:48:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 35114 backedges. 17757 proven. 6609 refuted. 0 times theorem prover too weak. 10748 trivial. 0 not checked. [2022-02-11 03:48:55,120 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525266939] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:48:55,120 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:48:55,120 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 70, 69] total 98 [2022-02-11 03:48:55,120 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139568852] [2022-02-11 03:48:55,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:48:55,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2022-02-11 03:48:55,122 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:48:55,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2022-02-11 03:48:55,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4332, Invalid=5174, Unknown=0, NotChecked=0, Total=9506 [2022-02-11 03:48:55,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:55,124 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:48:55,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 8.051020408163266) internal successors, (789), 98 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:48:55,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:55,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:55,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:55,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:55,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:55,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:55,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:48:55,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 03:48:55,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-11 03:48:55,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:48:55,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-02-11 03:48:55,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2022-02-11 03:48:55,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 345 states. [2022-02-11 03:48:55,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:55,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:48:55,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:48:55,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:48:55,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:55,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:48:55,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:48:55,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:48:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 03:48:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-11 03:48:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:48:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-02-11 03:48:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2022-02-11 03:48:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 345 states. [2022-02-11 03:48:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-11 03:48:55,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-11 03:48:55,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-02-11 03:48:55,968 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:48:55,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:48:55,968 INFO L85 PathProgramCache]: Analyzing trace with hash 582427265, now seen corresponding path program 11 times [2022-02-11 03:48:55,968 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:48:55,969 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235916281] [2022-02-11 03:48:55,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:48:55,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:48:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:49:02,673 INFO L134 CoverageAnalysis]: Checked inductivity of 47039 backedges. 28106 proven. 18706 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-02-11 03:49:02,674 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:49:02,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235916281] [2022-02-11 03:49:02,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235916281] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:49:02,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818158455] [2022-02-11 03:49:02,674 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-11 03:49:02,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:49:02,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:49:02,675 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 03:49:02,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-11 03:49:04,579 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 72 check-sat command(s) [2022-02-11 03:49:04,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:49:04,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 2408 conjuncts, 209 conjunts are in the unsatisfiable core [2022-02-11 03:49:04,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:49:06,453 INFO L134 CoverageAnalysis]: Checked inductivity of 47039 backedges. 28106 proven. 18706 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-02-11 03:49:06,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:49:09,781 INFO L134 CoverageAnalysis]: Checked inductivity of 47039 backedges. 28365 proven. 18447 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-02-11 03:49:09,781 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818158455] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:49:09,781 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:49:09,782 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 137, 137] total 212 [2022-02-11 03:49:09,782 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017725008] [2022-02-11 03:49:09,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:49:09,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 212 states [2022-02-11 03:49:09,785 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:49:09,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2022-02-11 03:49:09,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20141, Invalid=24591, Unknown=0, NotChecked=0, Total=44732 [2022-02-11 03:49:09,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:49:09,798 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:49:09,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 212 states, 212 states have (on average 8.650943396226415) internal successors, (1834), 212 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:49:09,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:49:09,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:49:09,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:49:09,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:49:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:49:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:49:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:49:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 03:49:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-11 03:49:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:49:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-02-11 03:49:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2022-02-11 03:49:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 345 states. [2022-02-11 03:49:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-11 03:49:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:49:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:49:43,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:49:43,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:49:43,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:49:43,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:49:43,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:49:43,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:49:43,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 03:49:43,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-11 03:49:43,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:49:43,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-02-11 03:49:43,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2022-02-11 03:49:43,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 345 states. [2022-02-11 03:49:43,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-11 03:49:43,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 277 states. [2022-02-11 03:49:43,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-11 03:49:43,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-11 03:49:43,954 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:49:43,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:49:43,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1806185469, now seen corresponding path program 12 times [2022-02-11 03:49:43,955 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:49:43,955 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538501667] [2022-02-11 03:49:43,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:49:43,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:49:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:49:54,058 INFO L134 CoverageAnalysis]: Checked inductivity of 125319 backedges. 59698 proven. 65395 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-02-11 03:49:54,058 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:49:54,058 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538501667] [2022-02-11 03:49:54,059 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538501667] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:49:54,059 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973360086] [2022-02-11 03:49:54,059 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-11 03:49:54,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:49:54,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:49:54,060 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 03:49:54,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-11 03:50:36,753 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 132 check-sat command(s) [2022-02-11 03:50:36,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:50:36,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 3983 conjuncts, 209 conjunts are in the unsatisfiable core [2022-02-11 03:50:36,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:50:50,692 INFO L134 CoverageAnalysis]: Checked inductivity of 125319 backedges. 65212 proven. 17566 refuted. 0 times theorem prover too weak. 42541 trivial. 0 not checked. [2022-02-11 03:50:50,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:50:59,256 INFO L134 CoverageAnalysis]: Checked inductivity of 125319 backedges. 65342 proven. 17434 refuted. 0 times theorem prover too weak. 42543 trivial. 0 not checked. [2022-02-11 03:50:59,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973360086] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:50:59,257 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:50:59,257 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [203, 136, 135] total 404 [2022-02-11 03:50:59,257 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063693035] [2022-02-11 03:50:59,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:50:59,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 404 states [2022-02-11 03:50:59,260 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:50:59,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 404 interpolants. [2022-02-11 03:50:59,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39366, Invalid=123446, Unknown=0, NotChecked=0, Total=162812 [2022-02-11 03:50:59,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:50:59,273 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:50:59,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 404 states, 404 states have (on average 7.477722772277228) internal successors, (3021), 404 states have internal predecessors, (3021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:50:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:50:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:50:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:50:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:50:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:50:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:50:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:50:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 03:50:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-11 03:50:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:50:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-02-11 03:50:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2022-02-11 03:50:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 345 states. [2022-02-11 03:50:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-11 03:50:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 277 states. [2022-02-11 03:50:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:54:41,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:54:41,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:54:41,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:54:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:54:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:54:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:54:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:54:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 03:54:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-11 03:54:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:54:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-02-11 03:54:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2022-02-11 03:54:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 345 states. [2022-02-11 03:54:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-11 03:54:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 406 states. [2022-02-11 03:54:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1047 states. [2022-02-11 03:54:41,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-02-11 03:54:41,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:54:41,379 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:54:41,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:54:41,379 INFO L85 PathProgramCache]: Analyzing trace with hash 2019463393, now seen corresponding path program 13 times [2022-02-11 03:54:41,379 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:54:41,379 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606055615] [2022-02-11 03:54:41,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:54:41,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:54:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:17,081 INFO L134 CoverageAnalysis]: Checked inductivity of 407204 backedges. 181787 proven. 224798 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2022-02-11 03:55:17,081 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:55:17,081 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606055615] [2022-02-11 03:55:17,081 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606055615] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:55:17,081 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155750719] [2022-02-11 03:55:17,081 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-11 03:55:17,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:55:17,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:55:17,082 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 03:55:17,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-11 03:55:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:55:18,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 6698 conjuncts, 339 conjunts are in the unsatisfiable core [2022-02-11 03:55:18,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:55:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 407204 backedges. 230928 proven. 70164 refuted. 0 times theorem prover too weak. 106112 trivial. 0 not checked. [2022-02-11 03:55:39,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:55:50,921 INFO L134 CoverageAnalysis]: Checked inductivity of 407204 backedges. 231054 proven. 70036 refuted. 0 times theorem prover too weak. 106114 trivial. 0 not checked. [2022-02-11 03:55:50,922 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155750719] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:55:50,922 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:55:50,923 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [334, 200, 199] total 597 [2022-02-11 03:55:50,923 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191719636] [2022-02-11 03:55:50,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:55:50,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 597 states [2022-02-11 03:55:50,927 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:55:50,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 597 interpolants. [2022-02-11 03:55:50,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87975, Invalid=267837, Unknown=0, NotChecked=0, Total=355812 [2022-02-11 03:55:50,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:50,952 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:55:50,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 597 states, 597 states have (on average 7.631490787269682) internal successors, (4556), 597 states have internal predecessors, (4556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:55:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:55:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:55:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:55:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:55:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:55:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 03:55:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:55:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 03:55:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-11 03:55:50,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:55:50,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-02-11 03:55:50,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2022-02-11 03:55:50,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 345 states. [2022-02-11 03:55:50,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-11 03:55:50,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 406 states. [2022-02-11 03:55:50,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1047 states. [2022-02-11 03:55:50,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-11 04:01:49,281 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 [2022-02-11 04:01:49,281 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 04:01:49,281 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 [2022-02-11 04:01:49,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-02-11 04:01:49,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-11 04:01:49,975 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1640 known predicates. [2022-02-11 04:01:49,977 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-11 04:01:49,978 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-11 04:01:49,978 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-11 04:01:49,978 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-11 04:01:50,015 INFO L733 BasicCegarLoop]: Path program histogram: [13, 1, 1, 1, 1] [2022-02-11 04:01:50,017 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 04:01:50,017 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 04:01:50,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 04:01:50 BasicIcfg [2022-02-11 04:01:50,019 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 04:01:50,020 INFO L158 Benchmark]: Toolchain (without parser) took 832552.39ms. Allocated memory was 195.0MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 144.8MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-02-11 04:01:50,020 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 195.0MB. Free memory is still 161.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 04:01:50,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.45ms. Allocated memory is still 195.0MB. Free memory was 144.5MB in the beginning and 169.2MB in the end (delta: -24.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-11 04:01:50,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.76ms. Allocated memory is still 195.0MB. Free memory was 169.2MB in the beginning and 167.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 04:01:50,020 INFO L158 Benchmark]: Boogie Preprocessor took 15.79ms. Allocated memory is still 195.0MB. Free memory was 167.5MB in the beginning and 166.0MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 04:01:50,020 INFO L158 Benchmark]: RCFGBuilder took 377.21ms. Allocated memory is still 195.0MB. Free memory was 166.0MB in the beginning and 149.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-02-11 04:01:50,021 INFO L158 Benchmark]: TraceAbstraction took 831934.32ms. Allocated memory was 195.0MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 149.2MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-02-11 04:01:50,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 195.0MB. Free memory is still 161.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 198.45ms. Allocated memory is still 195.0MB. Free memory was 144.5MB in the beginning and 169.2MB in the end (delta: -24.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.76ms. Allocated memory is still 195.0MB. Free memory was 169.2MB in the beginning and 167.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.79ms. Allocated memory is still 195.0MB. Free memory was 167.5MB in the beginning and 166.0MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 377.21ms. Allocated memory is still 195.0MB. Free memory was 166.0MB in the beginning and 149.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 831934.32ms. Allocated memory was 195.0MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 149.2MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 148527, positive: 128809, positive conditional: 127504, positive unconditional: 1305, negative: 19718, negative conditional: 19699, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 136764, positive: 128809, positive conditional: 127504, positive unconditional: 1305, negative: 7955, negative conditional: 7936, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 136764, positive: 128809, positive conditional: 127504, positive unconditional: 1305, negative: 7955, negative conditional: 7936, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 232089, positive: 128809, positive conditional: 127350, positive unconditional: 1459, negative: 103280, negative conditional: 95325, negative unconditional: 7955, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 232089, positive: 128809, positive conditional: 92814, positive unconditional: 35995, negative: 103280, negative conditional: 70744, negative unconditional: 32536, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 232089, positive: 128809, positive conditional: 92814, positive unconditional: 35995, negative: 103280, negative conditional: 70744, negative unconditional: 32536, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7030, positive: 4163, positive conditional: 2954, positive unconditional: 1209, negative: 2867, negative conditional: 2848, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7030, positive: 1202, positive conditional: 0, positive unconditional: 1202, negative: 5828, negative conditional: 0, negative unconditional: 5828, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5828, positive: 2961, positive conditional: 2954, positive unconditional: 7, negative: 2867, negative conditional: 2848, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5815, positive: 3329, positive conditional: 3282, positive unconditional: 47, negative: 2486, negative conditional: 2442, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 232089, positive: 124646, positive conditional: 89860, positive unconditional: 34786, negative: 100413, negative conditional: 67896, negative unconditional: 32517, unknown: 7030, unknown conditional: 5802, unknown unconditional: 1228] , Statistics on independence cache: Total cache size (in pairs): 7030, Positive cache size: 4163, Positive conditional cache size: 2954, Positive unconditional cache size: 1209, Negative cache size: 2867, Negative conditional cache size: 2848, Negative unconditional cache size: 19, Eliminated conditions: 59117, Maximal queried relation: 16, Independence queries for same thread: 11763 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 116, Number of trivial persistent sets: 65, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1324, positive: 1305, positive conditional: 0, positive unconditional: 1305, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 148527, positive: 128809, positive conditional: 127504, positive unconditional: 1305, negative: 19718, negative conditional: 19699, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 136764, positive: 128809, positive conditional: 127504, positive unconditional: 1305, negative: 7955, negative conditional: 7936, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 136764, positive: 128809, positive conditional: 127504, positive unconditional: 1305, negative: 7955, negative conditional: 7936, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 232089, positive: 128809, positive conditional: 127350, positive unconditional: 1459, negative: 103280, negative conditional: 95325, negative unconditional: 7955, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 232089, positive: 128809, positive conditional: 92814, positive unconditional: 35995, negative: 103280, negative conditional: 70744, negative unconditional: 32536, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 232089, positive: 128809, positive conditional: 92814, positive unconditional: 35995, negative: 103280, negative conditional: 70744, negative unconditional: 32536, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7030, positive: 4163, positive conditional: 2954, positive unconditional: 1209, negative: 2867, negative conditional: 2848, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7030, positive: 1202, positive conditional: 0, positive unconditional: 1202, negative: 5828, negative conditional: 0, negative unconditional: 5828, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5828, positive: 2961, positive conditional: 2954, positive unconditional: 7, negative: 2867, negative conditional: 2848, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5815, positive: 3329, positive conditional: 3282, positive unconditional: 47, negative: 2486, negative conditional: 2442, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 232089, positive: 124646, positive conditional: 89860, positive unconditional: 34786, negative: 100413, negative conditional: 67896, negative unconditional: 32517, unknown: 7030, unknown conditional: 5802, unknown unconditional: 1228] , Statistics on independence cache: Total cache size (in pairs): 7030, Positive cache size: 4163, Positive conditional cache size: 2954, Positive unconditional cache size: 1209, Negative cache size: 2867, Negative conditional cache size: 2848, Negative unconditional cache size: 19, Eliminated conditions: 59117, Maximal queried relation: 16, Independence queries for same thread: 11763 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1640 known predicates. - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1640 known predicates. - TimeoutResultAtElement [Line: 113]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1640 known predicates. - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1640 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 132 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 831.8s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 643.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3513, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 55.9s SatisfiabilityAnalysisTime, 127.3s InterpolantComputationTime, 18571 NumberOfCodeBlocks, 18531 NumberOfCodeBlocksAsserted, 300 NumberOfCheckSat, 27696 ConstructedInterpolants, 0 QuantifiedInterpolants, 87534 SizeOfPredicates, 143 NumberOfNonLiveVariables, 20788 ConjunctsInSsa, 1237 ConjunctsInUnsatCore, 45 InterpolantComputations, 4 PerfectInterpolantSequences, 1351204/1915078 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown