/usr/bin/java -Xmx16000000000 -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-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-max-array-hom.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 11:30:16,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 11:30:16,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 11:30:16,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 11:30:16,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 11:30:16,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 11:30:16,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 11:30:16,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 11:30:16,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 11:30:16,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 11:30:16,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 11:30:16,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 11:30:16,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 11:30:16,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 11:30:16,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 11:30:16,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 11:30:16,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 11:30:16,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 11:30:16,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 11:30:16,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 11:30:16,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 11:30:16,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 11:30:16,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 11:30:16,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 11:30:16,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-11-14 11:30:16,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-14 11:30:16,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-14 11:30:16,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-14 11:30:16,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-14 11:30:16,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-14 11:30:16,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-14 11:30:16,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-14 11:30:16,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-14 11:30:16,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 11:30:16,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 11:30:16,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 11:30:16,906 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-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf [2021-11-14 11:30:16,924 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 11:30:16,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 11:30:16,924 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 11:30:16,924 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 11:30:16,925 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 11:30:16,925 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 11:30:16,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 11:30:16,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 11:30:16,926 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 11:30:16,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 11:30:16,926 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 11:30:16,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 11:30:16,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 11:30:16,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 11:30:16,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 11:30:16,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 11:30:16,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 11:30:16,927 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 11:30:16,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 11:30:16,927 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 11:30:16,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 11:30:16,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 11:30:16,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 11:30:16,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 11:30:16,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 11:30:16,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 11:30:16,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 11:30:16,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 11:30:16,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 11:30:16,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 11:30:16,928 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-14 11:30:16,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 11:30:16,928 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 11:30:16,929 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 11:30:16,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 11:30:16,929 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 11:30:16,929 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 11:30:16,929 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 11:30:17,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 11:30:17,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 11:30:17,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 11:30:17,136 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 11:30:17,137 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 11:30:17,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-max-array-hom.wvr.c [2021-11-14 11:30:17,179 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01fd29cd5/4a802698c346475195e820423eb6aa2c/FLAGcfe64ced2 [2021-11-14 11:30:17,563 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 11:30:17,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-max-array-hom.wvr.c [2021-11-14 11:30:17,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01fd29cd5/4a802698c346475195e820423eb6aa2c/FLAGcfe64ced2 [2021-11-14 11:30:17,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01fd29cd5/4a802698c346475195e820423eb6aa2c [2021-11-14 11:30:17,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 11:30:17,591 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 11:30:17,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 11:30:17,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 11:30:17,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 11:30:17,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 11:30:17" (1/1) ... [2021-11-14 11:30:17,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@741f68b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:30:17, skipping insertion in model container [2021-11-14 11:30:17,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 11:30:17" (1/1) ... [2021-11-14 11:30:17,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 11:30:17,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 11:30:17,821 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-max-array-hom.wvr.c[2586,2599] [2021-11-14 11:30:17,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 11:30:17,839 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 11:30:17,869 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-max-array-hom.wvr.c[2586,2599] [2021-11-14 11:30:17,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 11:30:17,886 INFO L208 MainTranslator]: Completed translation [2021-11-14 11:30:17,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:30:17 WrapperNode [2021-11-14 11:30:17,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 11:30:17,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 11:30:17,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 11:30:17,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 11:30:17,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:30:17" (1/1) ... [2021-11-14 11:30:17,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:30:17" (1/1) ... [2021-11-14 11:30:17,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 11:30:17,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 11:30:17,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 11:30:17,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 11:30:17,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:30:17" (1/1) ... [2021-11-14 11:30:17,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:30:17" (1/1) ... [2021-11-14 11:30:17,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:30:17" (1/1) ... [2021-11-14 11:30:17,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:30:17" (1/1) ... [2021-11-14 11:30:17,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:30:17" (1/1) ... [2021-11-14 11:30:17,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:30:17" (1/1) ... [2021-11-14 11:30:17,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:30:17" (1/1) ... [2021-11-14 11:30:17,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 11:30:17,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 11:30:17,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 11:30:17,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 11:30:17,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:30:17" (1/1) ... [2021-11-14 11:30:17,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 11:30:17,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 11:30:17,992 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) [2021-11-14 11:30:17,997 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 [2021-11-14 11:30:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 11:30:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-14 11:30:18,016 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-14 11:30:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-14 11:30:18,016 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-14 11:30:18,017 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-14 11:30:18,017 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-14 11:30:18,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 11:30:18,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 11:30:18,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 11:30:18,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-14 11:30:18,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-14 11:30:18,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-14 11:30:18,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 11:30:18,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 11:30:18,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-14 11:30:18,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 11:30:18,018 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 11:30:18,403 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 11:30:18,403 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-14 11:30:18,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 11:30:18 BoogieIcfgContainer [2021-11-14 11:30:18,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 11:30:18,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 11:30:18,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 11:30:18,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 11:30:18,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 11:30:17" (1/3) ... [2021-11-14 11:30:18,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb52666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 11:30:18, skipping insertion in model container [2021-11-14 11:30:18,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:30:17" (2/3) ... [2021-11-14 11:30:18,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb52666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 11:30:18, skipping insertion in model container [2021-11-14 11:30:18,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 11:30:18" (3/3) ... [2021-11-14 11:30:18,414 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-max-array-hom.wvr.c [2021-11-14 11:30:18,417 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 11:30:18,417 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 11:30:18,417 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-14 11:30:18,417 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 11:30:18,444 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,445 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,445 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,445 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,445 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,445 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,445 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,445 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,446 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,446 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,446 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,446 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,446 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,446 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,446 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,446 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,446 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,446 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,447 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,447 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,447 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,447 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,447 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,447 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,449 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,450 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,450 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,450 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,451 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,451 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,451 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,451 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,451 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,451 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,451 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,451 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,451 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,451 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,452 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,452 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,452 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,452 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,452 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,452 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,452 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,452 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,453 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,453 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,453 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,453 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,453 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,453 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,453 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,453 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,453 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,454 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,454 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,455 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,455 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,455 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,455 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,455 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,455 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,455 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,456 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,456 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,456 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,456 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,456 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,456 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,456 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,456 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,457 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,457 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,457 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,457 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,457 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,457 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,457 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,457 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,457 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,458 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,458 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,461 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,462 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,462 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,468 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,468 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,470 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,470 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,470 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,470 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,470 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,470 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,471 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:30:18,475 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-14 11:30:18,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 11:30:18,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 11:30:18,516 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) [2021-11-14 11:30:18,517 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 [2021-11-14 11:30:18,536 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 11:30:18,540 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 [2021-11-14 11:30:18,541 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-14 11:30:18,731 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 11:30:18,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 11:30:18,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1913046396, now seen corresponding path program 1 times [2021-11-14 11:30:18,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 11:30:18,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783163743] [2021-11-14 11:30:18,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:30:18,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 11:30:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:30:18,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:18,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 11:30:18,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783163743] [2021-11-14 11:30:18,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783163743] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 11:30:18,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 11:30:18,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 11:30:18,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075732599] [2021-11-14 11:30:18,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 11:30:18,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 11:30:18,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 11:30:18,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 11:30:18,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 11:30:18,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:18,925 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 11:30:18,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.5) internal successors, (113), 2 states have internal predecessors, (113), 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) [2021-11-14 11:30:18,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:18,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 11:30:18,973 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 11:30:18,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 11:30:18,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1072958743, now seen corresponding path program 1 times [2021-11-14 11:30:18,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 11:30:18,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914543297] [2021-11-14 11:30:18,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:30:18,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 11:30:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:30:19,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:19,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 11:30:19,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914543297] [2021-11-14 11:30:19,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914543297] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 11:30:19,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 11:30:19,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-14 11:30:19,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432451851] [2021-11-14 11:30:19,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 11:30:19,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-14 11:30:19,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 11:30:19,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-14 11:30:19,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-14 11:30:19,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:19,140 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 11:30:19,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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) [2021-11-14 11:30:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:19,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 11:30:19,165 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 11:30:19,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 11:30:19,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1680602829, now seen corresponding path program 1 times [2021-11-14 11:30:19,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 11:30:19,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895620746] [2021-11-14 11:30:19,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:30:19,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 11:30:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:30:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:19,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 11:30:19,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895620746] [2021-11-14 11:30:19,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895620746] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 11:30:19,252 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 11:30:19,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 11:30:19,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436105270] [2021-11-14 11:30:19,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 11:30:19,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 11:30:19,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 11:30:19,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 11:30:19,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-14 11:30:19,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:19,253 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 11:30:19,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 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) [2021-11-14 11:30:19,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:19,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:19,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:19,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:19,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:19,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 11:30:19,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 11:30:19,342 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 11:30:19,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 11:30:19,343 INFO L85 PathProgramCache]: Analyzing trace with hash 991918122, now seen corresponding path program 1 times [2021-11-14 11:30:19,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 11:30:19,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350735804] [2021-11-14 11:30:19,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:30:19,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 11:30:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:30:19,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:19,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 11:30:19,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350735804] [2021-11-14 11:30:19,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350735804] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 11:30:19,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 11:30:19,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-14 11:30:19,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600930762] [2021-11-14 11:30:19,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 11:30:19,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-14 11:30:19,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 11:30:19,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-14 11:30:19,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-14 11:30:19,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:19,514 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 11:30:19,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 states have internal predecessors, (114), 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) [2021-11-14 11:30:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:19,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:19,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 11:30:19,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:19,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:19,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:19,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 11:30:19,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:19,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-14 11:30:19,643 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 11:30:19,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 11:30:19,644 INFO L85 PathProgramCache]: Analyzing trace with hash -659477567, now seen corresponding path program 1 times [2021-11-14 11:30:19,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 11:30:19,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891440722] [2021-11-14 11:30:19,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:30:19,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 11:30:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:30:19,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 11:30:19,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 11:30:19,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891440722] [2021-11-14 11:30:19,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891440722] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 11:30:19,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726474314] [2021-11-14 11:30:19,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:30:19,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:30:19,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 11:30:19,730 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) [2021-11-14 11:30:19,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-14 11:30:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:30:20,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-14 11:30:20,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 11:30:20,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 11:30:20,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 11:30:20,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 11:30:20,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726474314] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-14 11:30:20,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-14 11:30:20,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2021-11-14 11:30:20,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479865768] [2021-11-14 11:30:20,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 11:30:20,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 11:30:20,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 11:30:20,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 11:30:20,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-11-14 11:30:20,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:20,661 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 11:30:20,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 11:30:20,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:20,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:20,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 11:30:20,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:20,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:20,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:20,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:20,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:20,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:20,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 11:30:20,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-14 11:30:20,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:30:20,976 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 11:30:20,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 11:30:20,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1740696653, now seen corresponding path program 1 times [2021-11-14 11:30:20,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 11:30:20,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969031384] [2021-11-14 11:30:20,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:30:20,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 11:30:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:30:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:21,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 11:30:21,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969031384] [2021-11-14 11:30:21,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969031384] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 11:30:21,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766971473] [2021-11-14 11:30:21,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:30:21,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:30:21,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 11:30:21,055 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) [2021-11-14 11:30:21,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-14 11:30:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:30:21,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-14 11:30:21,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 11:30:21,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:21,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 11:30:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:21,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766971473] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-14 11:30:21,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-14 11:30:21,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 19 [2021-11-14 11:30:21,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625373662] [2021-11-14 11:30:21,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 11:30:21,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-14 11:30:21,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 11:30:21,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-14 11:30:21,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2021-11-14 11:30:21,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:21,750 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 11:30:21,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 11:30:21,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:21,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:21,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:21,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:21,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 11:30:21,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:21,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:21,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:21,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:21,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:21,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 11:30:21,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:21,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-14 11:30:22,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:30:22,072 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 11:30:22,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 11:30:22,072 INFO L85 PathProgramCache]: Analyzing trace with hash 172734548, now seen corresponding path program 1 times [2021-11-14 11:30:22,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 11:30:22,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657033158] [2021-11-14 11:30:22,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:30:22,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 11:30:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:30:22,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:22,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 11:30:22,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657033158] [2021-11-14 11:30:22,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657033158] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 11:30:22,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57979758] [2021-11-14 11:30:22,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:30:22,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:30:22,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 11:30:22,766 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) [2021-11-14 11:30:22,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-14 11:30:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:30:22,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-14 11:30:22,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 11:30:24,016 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 11:30:24,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 45 [2021-11-14 11:30:24,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:24,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 11:30:25,015 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 11:30:25,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 59 [2021-11-14 11:30:26,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:26,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57979758] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 11:30:26,639 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 11:30:26,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 23, 24] total 67 [2021-11-14 11:30:26,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251967724] [2021-11-14 11:30:26,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 11:30:26,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2021-11-14 11:30:26,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 11:30:26,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-11-14 11:30:26,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=786, Invalid=3636, Unknown=0, NotChecked=0, Total=4422 [2021-11-14 11:30:26,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:26,642 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 11:30:26,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 5.149253731343284) internal successors, (345), 67 states have internal predecessors, (345), 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) [2021-11-14 11:30:26,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:26,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:26,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:26,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:26,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 11:30:26,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:26,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:28,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:28,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:28,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:28,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:28,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 11:30:28,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:28,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-14 11:30:28,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-14 11:30:29,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:30:29,060 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 11:30:29,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 11:30:29,060 INFO L85 PathProgramCache]: Analyzing trace with hash -434909538, now seen corresponding path program 1 times [2021-11-14 11:30:29,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 11:30:29,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584297886] [2021-11-14 11:30:29,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:30:29,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 11:30:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:30:29,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:29,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 11:30:29,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584297886] [2021-11-14 11:30:29,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584297886] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 11:30:29,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640676117] [2021-11-14 11:30:29,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:30:29,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:30:29,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 11:30:29,746 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) [2021-11-14 11:30:29,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-14 11:30:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:30:29,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-14 11:30:29,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 11:30:31,025 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 11:30:31,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 41 [2021-11-14 11:30:31,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:31,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 11:30:32,163 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 11:30:32,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 56 [2021-11-14 11:30:33,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:33,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640676117] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 11:30:33,361 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 11:30:33,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 27, 23] total 56 [2021-11-14 11:30:33,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301595390] [2021-11-14 11:30:33,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 11:30:33,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2021-11-14 11:30:33,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 11:30:33,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-11-14 11:30:33,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=587, Invalid=2493, Unknown=0, NotChecked=0, Total=3080 [2021-11-14 11:30:33,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:33,363 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 11:30:33,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 4.928571428571429) internal successors, (276), 56 states have internal predecessors, (276), 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) [2021-11-14 11:30:33,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:33,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:33,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:33,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:33,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 11:30:33,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:33,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-14 11:30:33,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:35,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:35,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:35,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:35,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:35,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 11:30:35,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:35,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-14 11:30:35,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-14 11:30:35,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-14 11:30:35,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:30:35,657 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 11:30:35,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 11:30:35,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1636392351, now seen corresponding path program 2 times [2021-11-14 11:30:35,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 11:30:35,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481139892] [2021-11-14 11:30:35,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:30:35,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 11:30:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:30:35,775 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:35,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 11:30:35,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481139892] [2021-11-14 11:30:35,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481139892] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 11:30:35,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127215723] [2021-11-14 11:30:35,775 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 11:30:35,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:30:35,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 11:30:35,788 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) [2021-11-14 11:30:35,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-14 11:30:35,847 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 11:30:35,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 11:30:35,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-14 11:30:35,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 11:30:36,360 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 11:30:36,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 11:30:36,755 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 11:30:36,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127215723] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 11:30:36,755 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 11:30:36,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 33 [2021-11-14 11:30:36,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287587292] [2021-11-14 11:30:36,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 11:30:36,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-11-14 11:30:36,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 11:30:36,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-11-14 11:30:36,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=937, Unknown=0, NotChecked=0, Total=1056 [2021-11-14 11:30:36,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:36,757 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 11:30:36,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 7.757575757575758) internal successors, (256), 33 states have internal predecessors, (256), 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) [2021-11-14 11:30:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 11:30:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-14 11:30:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-14 11:30:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 11:30:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-14 11:30:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-14 11:30:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-14 11:30:37,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-14 11:30:38,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:30:38,182 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 11:30:38,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 11:30:38,183 INFO L85 PathProgramCache]: Analyzing trace with hash 145022735, now seen corresponding path program 3 times [2021-11-14 11:30:38,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 11:30:38,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862873666] [2021-11-14 11:30:38,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:30:38,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 11:30:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:30:38,251 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:38,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 11:30:38,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862873666] [2021-11-14 11:30:38,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862873666] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 11:30:38,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883776907] [2021-11-14 11:30:38,251 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-14 11:30:38,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:30:38,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 11:30:38,252 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) [2021-11-14 11:30:38,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-14 11:30:38,315 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-14 11:30:38,315 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 11:30:38,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-14 11:30:38,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 11:30:38,573 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:38,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 11:30:38,864 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:38,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883776907] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 11:30:38,865 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 11:30:38,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2021-11-14 11:30:38,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463554600] [2021-11-14 11:30:38,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 11:30:38,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-14 11:30:38,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 11:30:38,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-14 11:30:38,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2021-11-14 11:30:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:38,870 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 11:30:38,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.25) internal successors, (222), 24 states have internal predecessors, (222), 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) [2021-11-14 11:30:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 11:30:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-14 11:30:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-14 11:30:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-14 11:30:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:39,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:39,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:39,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:39,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:39,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 11:30:39,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 11:30:39,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 11:30:39,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 11:30:39,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-14 11:30:39,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 11:30:39,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-14 11:30:39,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:30:39,845 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 11:30:39,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 11:30:39,845 INFO L85 PathProgramCache]: Analyzing trace with hash -370468642, now seen corresponding path program 1 times [2021-11-14 11:30:39,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 11:30:39,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272926108] [2021-11-14 11:30:39,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:30:39,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 11:30:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:30:39,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:40,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 11:30:40,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272926108] [2021-11-14 11:30:40,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272926108] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 11:30:40,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189141359] [2021-11-14 11:30:40,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:30:40,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:30:40,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 11:30:40,001 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) [2021-11-14 11:30:40,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-14 11:30:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:30:40,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-14 11:30:40,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 11:30:40,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:40,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 11:30:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:40,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189141359] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 11:30:40,786 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 11:30:40,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2021-11-14 11:30:40,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883241640] [2021-11-14 11:30:40,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 11:30:40,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-14 11:30:40,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 11:30:40,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-14 11:30:40,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=812, Unknown=0, NotChecked=0, Total=930 [2021-11-14 11:30:40,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:40,805 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 11:30:40,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.193548387096774) internal successors, (254), 31 states have internal predecessors, (254), 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) [2021-11-14 11:30:40,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:40,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:40,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:40,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:40,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 11:30:40,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 11:30:40,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 11:30:40,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 11:30:40,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-14 11:30:40,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 11:30:40,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:41,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:30:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 11:30:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:30:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 11:30:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 11:30:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-14 11:30:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 11:30:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-14 11:30:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 11:30:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-14 11:30:41,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-14 11:30:41,689 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,SelfDestructingSolverStorable10 [2021-11-14 11:30:41,690 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 11:30:41,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 11:30:41,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1323925204, now seen corresponding path program 4 times [2021-11-14 11:30:41,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 11:30:41,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883284581] [2021-11-14 11:30:41,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:30:41,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 11:30:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:30:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:42,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 11:30:42,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883284581] [2021-11-14 11:30:42,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883284581] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 11:30:42,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385058606] [2021-11-14 11:30:42,356 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-14 11:30:42,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:30:42,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 11:30:42,357 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) [2021-11-14 11:30:42,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-14 11:30:42,411 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-14 11:30:42,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 11:30:42,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-14 11:30:42,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 11:30:42,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-14 11:30:42,533 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-14 11:30:42,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2021-11-14 11:30:42,572 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-11-14 11:30:42,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 22 [2021-11-14 11:30:43,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-14 11:30:43,020 INFO L354 Elim1Store]: treesize reduction 32, result has 22.0 percent of original size [2021-11-14 11:30:43,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 21 [2021-11-14 11:30:43,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-14 11:30:43,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-14 11:30:43,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-14 11:30:44,162 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-14 11:30:44,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2021-11-14 11:30:44,503 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 11:30:44,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 39 [2021-11-14 11:30:45,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:30:45,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 11:32:06,507 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 11:32:06,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 529762 treesize of output 512350 [2021-11-14 11:32:28,120 WARN L227 SmtUtils]: Spent 21.61s on a formula simplification. DAG size of input: 2221 DAG size of output: 2221 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-14 11:32:28,134 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2021-11-14 11:32:28,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-11-14 11:32:28,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:32:28,348 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.computeDerApplicabilityScore(QuantifierPusher.java:685) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.selectBestEliminatee(QuantifierPusher.java:668) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:604) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:446) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:162) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:243) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:233) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminateCompat(PartialQuantifierElimination.java:128) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminateCompat(PartialQuantifierElimination.java:151) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:438) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:417) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:289) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-14 11:32:28,351 INFO L158 Benchmark]: Toolchain (without parser) took 130760.34ms. Allocated memory was 360.7MB in the beginning and 671.1MB in the end (delta: 310.4MB). Free memory was 307.8MB in the beginning and 532.7MB in the end (delta: -225.0MB). Peak memory consumption was 402.8MB. Max. memory is 16.0GB. [2021-11-14 11:32:28,351 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 360.7MB. Free memory is still 323.9MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 11:32:28,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.60ms. Allocated memory is still 360.7MB. Free memory was 307.4MB in the beginning and 332.4MB in the end (delta: -24.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.0GB. [2021-11-14 11:32:28,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.84ms. Allocated memory is still 360.7MB. Free memory was 332.4MB in the beginning and 330.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 11:32:28,352 INFO L158 Benchmark]: Boogie Preprocessor took 19.67ms. Allocated memory is still 360.7MB. Free memory was 330.6MB in the beginning and 329.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 11:32:28,352 INFO L158 Benchmark]: RCFGBuilder took 461.41ms. Allocated memory is still 360.7MB. Free memory was 328.9MB in the beginning and 311.4MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2021-11-14 11:32:28,352 INFO L158 Benchmark]: TraceAbstraction took 129942.48ms. Allocated memory was 360.7MB in the beginning and 671.1MB in the end (delta: 310.4MB). Free memory was 311.1MB in the beginning and 532.7MB in the end (delta: -221.7MB). Peak memory consumption was 406.2MB. Max. memory is 16.0GB. [2021-11-14 11:32:28,353 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 360.7MB. Free memory is still 323.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 293.60ms. Allocated memory is still 360.7MB. Free memory was 307.4MB in the beginning and 332.4MB in the end (delta: -24.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 36.84ms. Allocated memory is still 360.7MB. Free memory was 332.4MB in the beginning and 330.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 19.67ms. Allocated memory is still 360.7MB. Free memory was 330.6MB in the beginning and 329.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 461.41ms. Allocated memory is still 360.7MB. Free memory was 328.9MB in the beginning and 311.4MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * TraceAbstraction took 129942.48ms. Allocated memory was 360.7MB in the beginning and 671.1MB in the end (delta: 310.4MB). Free memory was 311.1MB in the beginning and 532.7MB in the end (delta: -221.7MB). Peak memory consumption was 406.2MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-14 11:32:28,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-14 11:32:28,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...