/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 04:12:08,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 04:12:08,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 04:12:09,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 04:12:09,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 04:12:09,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 04:12:09,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 04:12:09,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 04:12:09,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 04:12:09,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 04:12:09,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 04:12:09,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 04:12:09,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 04:12:09,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 04:12:09,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 04:12:09,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 04:12:09,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 04:12:09,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 04:12:09,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 04:12:09,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 04:12:09,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 04:12:09,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 04:12:09,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 04:12:09,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 04:12:09,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 04:12:09,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-04 04:12:09,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-04 04:12:09,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-04 04:12:09,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-04 04:12:09,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-04 04:12:09,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-04 04:12:09,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-04 04:12:09,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-04 04:12:09,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 04:12:09,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 04:12:09,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 04:12:09,039 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-04 04:12:09,061 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 04:12:09,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 04:12:09,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 04:12:09,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 04:12:09,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 04:12:09,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 04:12:09,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 04:12:09,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 04:12:09,062 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 04:12:09,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 04:12:09,063 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 04:12:09,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 04:12:09,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 04:12:09,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 04:12:09,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 04:12:09,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 04:12:09,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 04:12:09,063 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 04:12:09,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 04:12:09,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 04:12:09,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 04:12:09,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 04:12:09,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 04:12:09,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 04:12:09,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 04:12:09,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 04:12:09,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 04:12:09,064 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 04:12:09,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 04:12:09,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 04:12:09,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 04:12:09,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 04:12:09,065 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 04:12:09,065 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 04:12:09,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 04:12:09,065 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 04:12:09,065 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 04:12:09,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 04:12:09,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 04:12:09,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 04:12:09,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 04:12:09,278 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-04 04:12:09,280 INFO L275 PluginConnector]: CDTParser initialized [2022-03-04 04:12:09,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c [2022-03-04 04:12:09,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a3f95ec6/fd73814de9b447a9a01bdeab6b2e8949/FLAG92e16b04f [2022-03-04 04:12:09,734 INFO L306 CDTParser]: Found 1 translation units. [2022-03-04 04:12:09,734 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c [2022-03-04 04:12:09,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a3f95ec6/fd73814de9b447a9a01bdeab6b2e8949/FLAG92e16b04f [2022-03-04 04:12:10,124 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a3f95ec6/fd73814de9b447a9a01bdeab6b2e8949 [2022-03-04 04:12:10,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 04:12:10,130 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-04 04:12:10,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-04 04:12:10,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-04 04:12:10,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-04 04:12:10,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:12:10" (1/1) ... [2022-03-04 04:12:10,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15de7a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:12:10, skipping insertion in model container [2022-03-04 04:12:10,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:12:10" (1/1) ... [2022-03-04 04:12:10,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-04 04:12:10,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-04 04:12:10,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c[2396,2409] [2022-03-04 04:12:10,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 04:12:10,424 INFO L203 MainTranslator]: Completed pre-run [2022-03-04 04:12:10,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c[2396,2409] [2022-03-04 04:12:10,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 04:12:10,467 INFO L208 MainTranslator]: Completed translation [2022-03-04 04:12:10,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:12:10 WrapperNode [2022-03-04 04:12:10,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-04 04:12:10,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 04:12:10,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 04:12:10,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 04:12:10,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:12:10" (1/1) ... [2022-03-04 04:12:10,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:12:10" (1/1) ... [2022-03-04 04:12:10,508 INFO L137 Inliner]: procedures = 25, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 102 [2022-03-04 04:12:10,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 04:12:10,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 04:12:10,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 04:12:10,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 04:12:10,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:12:10" (1/1) ... [2022-03-04 04:12:10,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:12:10" (1/1) ... [2022-03-04 04:12:10,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:12:10" (1/1) ... [2022-03-04 04:12:10,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:12:10" (1/1) ... [2022-03-04 04:12:10,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:12:10" (1/1) ... [2022-03-04 04:12:10,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:12:10" (1/1) ... [2022-03-04 04:12:10,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:12:10" (1/1) ... [2022-03-04 04:12:10,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 04:12:10,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 04:12:10,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 04:12:10,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 04:12:10,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:12:10" (1/1) ... [2022-03-04 04:12:10,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 04:12:10,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:12:10,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 04:12:10,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 04:12:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-04 04:12:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-04 04:12:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-04 04:12:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-04 04:12:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 04:12:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 04:12:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 04:12:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 04:12:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 04:12:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 04:12:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-04 04:12:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-04 04:12:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 04:12:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 04:12:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-04 04:12:10,605 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 04:12:10,711 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 04:12:10,712 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 04:12:10,904 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 04:12:10,911 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 04:12:10,911 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-04 04:12:10,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 04:12:10 BoogieIcfgContainer [2022-03-04 04:12:10,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 04:12:10,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 04:12:10,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 04:12:10,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 04:12:10,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 04:12:10" (1/3) ... [2022-03-04 04:12:10,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c994b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:12:10, skipping insertion in model container [2022-03-04 04:12:10,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:12:10" (2/3) ... [2022-03-04 04:12:10,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c994b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:12:10, skipping insertion in model container [2022-03-04 04:12:10,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 04:12:10" (3/3) ... [2022-03-04 04:12:10,920 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-sum-array-hom.wvr.c [2022-03-04 04:12:10,924 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 04:12:10,925 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 04:12:10,925 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 04:12:10,925 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 04:12:10,978 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,980 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,980 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,980 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,981 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,981 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,981 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,981 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,981 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,981 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,982 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,982 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,982 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,982 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,982 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,983 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,983 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,983 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,983 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,984 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,984 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,984 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,984 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,985 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,985 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,985 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,985 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,985 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,985 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,985 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,985 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,986 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,986 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,986 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,987 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,987 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,989 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,989 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,989 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,990 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,991 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,991 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,992 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,992 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,992 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,993 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,993 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,994 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,994 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,994 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,994 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,994 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,994 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,994 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,995 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,995 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,995 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,995 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,995 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,995 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,995 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,996 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,996 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,996 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,996 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,996 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,996 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,996 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:10,997 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:11,000 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:11,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:11,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:11,006 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:11,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:11,009 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:11,009 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:11,009 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:11,009 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:11,009 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:11,010 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:11,010 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:11,010 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:11,010 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:11,010 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:12:11,017 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 04:12:11,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 04:12:11,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:12:11,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 04:12:11,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 04:12:11,084 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 04:12:11,091 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-04 04:12:11,091 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 04:12:11,157 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 169 transitions and produced 170 states. [2022-03-04 04:12:11,159 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 04:12:11,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:12:11,163 INFO L85 PathProgramCache]: Analyzing trace with hash 2107820237, now seen corresponding path program 1 times [2022-03-04 04:12:11,168 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:12:11,169 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512209237] [2022-03-04 04:12:11,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:11,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:12:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:11,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:12:11,377 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:12:11,377 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512209237] [2022-03-04 04:12:11,378 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512209237] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:12:11,378 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:12:11,378 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 04:12:11,379 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853334726] [2022-03-04 04:12:11,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:12:11,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-04 04:12:11,386 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:12:11,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-04 04:12:11,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-04 04:12:11,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:11,407 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:12:11,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 55.0) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:12:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:11,434 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 169 transitions and produced 170 states. [2022-03-04 04:12:11,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:11,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 04:12:11,435 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 04:12:11,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:12:11,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1099574030, now seen corresponding path program 1 times [2022-03-04 04:12:11,436 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:12:11,436 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505926313] [2022-03-04 04:12:11,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:11,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:12:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:11,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:12:11,676 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:12:11,676 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505926313] [2022-03-04 04:12:11,676 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505926313] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:12:11,676 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:12:11,676 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-04 04:12:11,676 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26046829] [2022-03-04 04:12:11,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:12:11,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-04 04:12:11,677 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:12:11,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-04 04:12:11,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-04 04:12:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:11,678 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:12:11,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:12:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:11,787 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 226 transitions and produced 215 states. [2022-03-04 04:12:11,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:11,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:12:11,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 04:12:11,788 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 04:12:11,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:12:11,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1336748926, now seen corresponding path program 1 times [2022-03-04 04:12:11,789 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:12:11,789 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244758120] [2022-03-04 04:12:11,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:11,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:12:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:11,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:12:11,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:12:11,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244758120] [2022-03-04 04:12:11,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244758120] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:12:11,984 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:12:11,984 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-04 04:12:11,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614649561] [2022-03-04 04:12:11,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:12:11,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-04 04:12:11,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:12:11,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-04 04:12:11,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-03-04 04:12:11,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:11,986 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:12:11,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.3) internal successors, (113), 10 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) [2022-03-04 04:12:11,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:11,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:12:11,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:12,186 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 391 transitions and produced 282 states. [2022-03-04 04:12:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:12:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:12,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-04 04:12:12,187 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 04:12:12,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:12:12,188 INFO L85 PathProgramCache]: Analyzing trace with hash 296156806, now seen corresponding path program 1 times [2022-03-04 04:12:12,188 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:12:12,188 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680667551] [2022-03-04 04:12:12,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:12,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:12:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:12,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:12:12,327 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:12:12,328 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680667551] [2022-03-04 04:12:12,328 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680667551] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:12:12,328 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:12:12,328 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-04 04:12:12,328 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842194426] [2022-03-04 04:12:12,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:12:12,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-04 04:12:12,329 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:12:12,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-04 04:12:12,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-04 04:12:12,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:12,330 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:12:12,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.3) internal successors, (113), 10 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) [2022-03-04 04:12:12,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:12,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:12:12,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:12,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:12,564 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 719 transitions and produced 402 states. [2022-03-04 04:12:12,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:12,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:12,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:12,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:12,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-04 04:12:12,565 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 04:12:12,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:12:12,567 INFO L85 PathProgramCache]: Analyzing trace with hash -116488566, now seen corresponding path program 1 times [2022-03-04 04:12:12,567 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:12:12,567 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953720718] [2022-03-04 04:12:12,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:12,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:12:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:12,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:12:12,656 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:12:12,656 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953720718] [2022-03-04 04:12:12,656 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953720718] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:12:12,656 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:12:12,657 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-04 04:12:12,657 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088416561] [2022-03-04 04:12:12,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:12:12,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-04 04:12:12,657 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:12:12,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-04 04:12:12,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-04 04:12:12,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:12,658 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:12:12,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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) [2022-03-04 04:12:12,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:12,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:12,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:12,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:12,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:12,938 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3300 transitions and produced 1351 states. [2022-03-04 04:12:12,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:12,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:12,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:12,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:12,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:12,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-04 04:12:12,940 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 04:12:12,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:12:12,940 INFO L85 PathProgramCache]: Analyzing trace with hash 622502447, now seen corresponding path program 1 times [2022-03-04 04:12:12,940 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:12:12,941 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489557700] [2022-03-04 04:12:12,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:12,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:12:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:13,072 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:12:13,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489557700] [2022-03-04 04:12:13,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489557700] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:12:13,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26695762] [2022-03-04 04:12:13,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:13,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:12:13,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:12:13,082 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:12:13,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 04:12:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:13,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-04 04:12:13,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:12:13,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:13,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:12:13,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:13,679 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26695762] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-04 04:12:13,679 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-04 04:12:13,679 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-03-04 04:12:13,679 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653201361] [2022-03-04 04:12:13,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:12:13,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-04 04:12:13,679 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:12:13,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-04 04:12:13,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-03-04 04:12:13,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:13,680 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:12:13,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:12:13,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:13,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:13,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:13,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:13,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:13,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:13,840 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3266 transitions and produced 1329 states. [2022-03-04 04:12:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:13,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 04:12:14,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-03-04 04:12:14,056 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 04:12:14,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:12:14,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1842762807, now seen corresponding path program 1 times [2022-03-04 04:12:14,056 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:12:14,056 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109932024] [2022-03-04 04:12:14,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:14,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:12:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:14,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:14,161 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:12:14,161 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109932024] [2022-03-04 04:12:14,162 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109932024] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:12:14,162 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096541082] [2022-03-04 04:12:14,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:14,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:12:14,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:12:14,163 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:12:14,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 04:12:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:14,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-04 04:12:14,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:12:14,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:14,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:12:14,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:14,741 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096541082] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-04 04:12:14,741 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-04 04:12:14,741 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 18 [2022-03-04 04:12:14,741 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202930519] [2022-03-04 04:12:14,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:12:14,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-04 04:12:14,742 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:12:14,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-04 04:12:14,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-03-04 04:12:14,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:14,742 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:12:14,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 9 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:12:14,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:14,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:14,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:14,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:14,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:14,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:14,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:14,948 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3282 transitions and produced 1345 states. [2022-03-04 04:12:14,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:14,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:14,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:14,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:14,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:14,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:14,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:12:14,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 04:12:15,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:12:15,164 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 04:12:15,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:12:15,164 INFO L85 PathProgramCache]: Analyzing trace with hash 164019001, now seen corresponding path program 1 times [2022-03-04 04:12:15,164 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:12:15,164 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264269250] [2022-03-04 04:12:15,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:15,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:12:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:16,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:12:16,006 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:12:16,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264269250] [2022-03-04 04:12:16,007 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264269250] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:12:16,007 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013398435] [2022-03-04 04:12:16,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:16,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:12:16,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:12:16,008 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:12:16,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 04:12:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:16,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 43 conjunts are in the unsatisfiable core [2022-03-04 04:12:16,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:12:17,041 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 04:12:17,042 INFO L387 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 24 treesize of output 20 [2022-03-04 04:12:17,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:12:17,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:12:17,948 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 04:12:17,949 INFO L387 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 28 treesize of output 29 [2022-03-04 04:12:19,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:12:19,287 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013398435] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:12:19,287 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:12:19,288 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27, 21] total 54 [2022-03-04 04:12:19,288 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379140935] [2022-03-04 04:12:19,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:12:19,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-03-04 04:12:19,288 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:12:19,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-03-04 04:12:19,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=423, Invalid=2439, Unknown=0, NotChecked=0, Total=2862 [2022-03-04 04:12:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:19,290 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:12:19,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.037037037037037) internal successors, (272), 54 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:12:19,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:19,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:19,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:19,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:19,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:19,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:19,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:12:19,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:20,749 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3339 transitions and produced 1390 states. [2022-03-04 04:12:20,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:20,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:20,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:20,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:20,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:20,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:20,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:12:20,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-04 04:12:20,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 04:12:20,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:12:20,950 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 04:12:20,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:12:20,951 INFO L85 PathProgramCache]: Analyzing trace with hash -2002334217, now seen corresponding path program 2 times [2022-03-04 04:12:20,951 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:12:20,951 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284528312] [2022-03-04 04:12:20,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:20,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:12:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:21,109 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:21,109 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:12:21,109 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284528312] [2022-03-04 04:12:21,109 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284528312] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:12:21,109 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363561846] [2022-03-04 04:12:21,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 04:12:21,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:12:21,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:12:21,124 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:12:21,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 04:12:21,208 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 04:12:21,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 04:12:21,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-04 04:12:21,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:12:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:21,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:12:22,138 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:22,138 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363561846] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:12:22,138 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:12:22,138 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 30 [2022-03-04 04:12:22,139 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393094318] [2022-03-04 04:12:22,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:12:22,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-04 04:12:22,139 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:12:22,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-04 04:12:22,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=755, Unknown=0, NotChecked=0, Total=870 [2022-03-04 04:12:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:22,141 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:12:22,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 8.3) internal successors, (249), 30 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:12:22,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:22,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:22,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:22,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:22,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:22,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:22,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:12:22,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-03-04 04:12:22,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:23,996 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3763 transitions and produced 1552 states. [2022-03-04 04:12:23,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:23,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:23,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:23,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:23,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:23,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:23,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:23,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-04 04:12:23,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-04 04:12:24,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 04:12:24,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:12:24,198 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 04:12:24,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:12:24,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1796924733, now seen corresponding path program 1 times [2022-03-04 04:12:24,198 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:12:24,198 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057604125] [2022-03-04 04:12:24,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:24,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:12:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:24,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:24,660 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:12:24,660 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057604125] [2022-03-04 04:12:24,660 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057604125] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:12:24,660 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016580864] [2022-03-04 04:12:24,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:24,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:12:24,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:12:24,661 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:12:24,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 04:12:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:24,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 35 conjunts are in the unsatisfiable core [2022-03-04 04:12:24,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:12:25,477 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-03-04 04:12:25,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:25,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:12:25,841 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 04:12:25,841 INFO L387 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 24 treesize of output 25 [2022-03-04 04:12:30,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:30,393 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016580864] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:12:30,393 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:12:30,393 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 12] total 31 [2022-03-04 04:12:30,393 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674449884] [2022-03-04 04:12:30,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:12:30,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-04 04:12:30,394 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:12:30,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-04 04:12:30,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=768, Unknown=2, NotChecked=0, Total=930 [2022-03-04 04:12:30,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:30,395 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:12:30,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.612903225806452) internal successors, (267), 31 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:12:30,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:30,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:30,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:30,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:30,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:30,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:30,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:30,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-03-04 04:12:30,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-03-04 04:12:30,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:31,259 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3516 transitions and produced 1465 states. [2022-03-04 04:12:31,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:31,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:31,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:31,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:31,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:31,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:31,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:31,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-04 04:12:31,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-04 04:12:31,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-04 04:12:31,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 04:12:31,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:12:31,461 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 04:12:31,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:12:31,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1370756979, now seen corresponding path program 1 times [2022-03-04 04:12:31,461 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:12:31,462 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219501922] [2022-03-04 04:12:31,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:31,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:12:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:31,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:31,564 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:12:31,564 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219501922] [2022-03-04 04:12:31,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219501922] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:12:31,565 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540903715] [2022-03-04 04:12:31,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:31,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:12:31,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:12:31,566 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:12:31,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 04:12:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:31,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-04 04:12:31,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:12:31,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:31,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:12:32,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:32,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540903715] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:12:32,241 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:12:32,241 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 24 [2022-03-04 04:12:32,241 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975449298] [2022-03-04 04:12:32,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:12:32,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-03-04 04:12:32,241 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:12:32,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-03-04 04:12:32,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=444, Unknown=0, NotChecked=0, Total=552 [2022-03-04 04:12:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:32,242 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:12:32,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.916666666666667) internal successors, (190), 24 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:12:32,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-03-04 04:12:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-03-04 04:12:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-03-04 04:12:32,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:32,750 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3985 transitions and produced 1664 states. [2022-03-04 04:12:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-04 04:12:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-04 04:12:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 04:12:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 04:12:32,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-04 04:12:32,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:12:32,954 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 04:12:32,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:12:32,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1291304585, now seen corresponding path program 2 times [2022-03-04 04:12:32,955 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:12:32,955 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014216141] [2022-03-04 04:12:32,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:32,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:12:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:33,114 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:33,114 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:12:33,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014216141] [2022-03-04 04:12:33,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014216141] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:12:33,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931588490] [2022-03-04 04:12:33,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 04:12:33,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:12:33,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:12:33,132 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:12:33,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-04 04:12:33,228 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 04:12:33,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 04:12:33,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-04 04:12:33,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:12:33,708 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:33,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:12:34,064 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:34,065 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931588490] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:12:34,065 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:12:34,065 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 32 [2022-03-04 04:12:34,065 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101801490] [2022-03-04 04:12:34,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:12:34,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-04 04:12:34,065 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:12:34,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-04 04:12:34,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2022-03-04 04:12:34,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:34,066 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:12:34,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 7.875) internal successors, (252), 32 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:12:34,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:34,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:34,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:34,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:34,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:34,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:34,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:34,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-03-04 04:12:34,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-03-04 04:12:34,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 04:12:34,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 04:12:34,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:36,232 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5685 transitions and produced 2255 states. [2022-03-04 04:12:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-04 04:12:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-04 04:12:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 04:12:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-04 04:12:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-04 04:12:36,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-04 04:12:36,439 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,SelfDestructingSolverStorable11 [2022-03-04 04:12:36,440 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 04:12:36,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:12:36,440 INFO L85 PathProgramCache]: Analyzing trace with hash -674741521, now seen corresponding path program 3 times [2022-03-04 04:12:36,440 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:12:36,440 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869605573] [2022-03-04 04:12:36,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:36,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:12:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:36,525 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:36,525 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:12:36,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869605573] [2022-03-04 04:12:36,526 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869605573] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:12:36,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097890372] [2022-03-04 04:12:36,526 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 04:12:36,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:12:36,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:12:36,527 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:12:36,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-04 04:12:36,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-03-04 04:12:36,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 04:12:36,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-04 04:12:36,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:12:36,882 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:36,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:12:37,074 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:37,074 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097890372] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:12:37,075 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:12:37,075 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2022-03-04 04:12:37,075 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085160021] [2022-03-04 04:12:37,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:12:37,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-04 04:12:37,075 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:12:37,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-04 04:12:37,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-04 04:12:37,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:37,076 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:12:37,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 9.44) internal successors, (236), 25 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:12:37,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:37,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:37,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:37,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:37,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:37,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:37,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:37,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-03-04 04:12:37,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-03-04 04:12:37,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 04:12:37,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-03-04 04:12:37,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-03-04 04:12:37,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:42,033 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 29685 transitions and produced 9531 states. [2022-03-04 04:12:42,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:42,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:42,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:42,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:42,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:42,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:42,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:42,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-04 04:12:42,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-04 04:12:42,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 04:12:42,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-04 04:12:42,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-04 04:12:42,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-04 04:12:42,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-04 04:12:42,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-03-04 04:12:42,238 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 04:12:42,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:12:42,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1530012923, now seen corresponding path program 4 times [2022-03-04 04:12:42,238 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:12:42,239 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449868530] [2022-03-04 04:12:42,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:42,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:12:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:12:43,601 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:12:43,601 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449868530] [2022-03-04 04:12:43,601 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449868530] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:12:43,601 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2975375] [2022-03-04 04:12:43,601 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 04:12:43,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:12:43,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:12:43,604 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:12:43,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-04 04:12:43,697 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 04:12:43,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 04:12:43,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 57 conjunts are in the unsatisfiable core [2022-03-04 04:12:43,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:12:43,783 INFO L387 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 [2022-03-04 04:12:44,113 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-04 04:12:44,113 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 11 [2022-03-04 04:12:44,877 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-03-04 04:12:45,246 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 04:12:45,247 INFO L387 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 17 treesize of output 17 [2022-03-04 04:12:45,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:12:45,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:12:46,227 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (v_ArrVal_360 (Array Int Int))) (or (< 0 ~M~0) (= (mod (+ c_~sum1~0 |c_thread1Thread1of1ForFork0_#t~mem2|) 4294967296) (mod (+ c_~sum3~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_360) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4))) c_~sum2~0) 4294967296)) (< (+ ~M~0 1) c_~N~0))) is different from false [2022-03-04 04:12:46,248 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 04:12:46,248 INFO L387 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 64 treesize of output 56 [2022-03-04 04:12:46,253 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-03-04 04:12:48,366 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-03-04 04:12:48,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:12:48,497 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2975375] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:12:48,497 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:12:48,497 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 29, 28] total 84 [2022-03-04 04:12:48,497 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746896632] [2022-03-04 04:12:48,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:12:48,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2022-03-04 04:12:48,498 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:12:48,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2022-03-04 04:12:48,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=787, Invalid=6022, Unknown=1, NotChecked=162, Total=6972 [2022-03-04 04:12:48,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:48,500 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:12:48,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 4.095238095238095) internal successors, (344), 84 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:12:48,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:48,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:48,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:48,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:48,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:48,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:48,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:48,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-03-04 04:12:48,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-03-04 04:12:48,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 04:12:48,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-03-04 04:12:48,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-04 04:12:48,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-04 04:12:48,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:55,294 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 21383 transitions and produced 7074 states. [2022-03-04 04:12:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:12:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:12:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:12:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:12:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:12:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-04 04:12:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-04 04:12:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 04:12:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-04 04:12:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-04 04:12:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-04 04:12:55,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-04 04:12:55,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-04 04:12:55,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-03-04 04:12:55,496 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 04:12:55,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:12:55,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1132048641, now seen corresponding path program 3 times [2022-03-04 04:12:55,497 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:12:55,497 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312537639] [2022-03-04 04:12:55,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:12:55,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:12:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:12:55,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:55,971 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:12:55,971 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312537639] [2022-03-04 04:12:55,971 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312537639] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:12:55,971 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879132795] [2022-03-04 04:12:55,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 04:12:55,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:12:55,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:12:55,972 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:12:55,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-04 04:12:56,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-04 04:12:56,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 04:12:56,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 44 conjunts are in the unsatisfiable core [2022-03-04 04:12:56,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:12:56,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 04:12:56,891 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-03-04 04:12:57,096 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-03-04 04:12:57,217 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:12:57,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:12:57,405 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_393 (Array Int Int))) (= (mod (+ c_~sum1~0 |c_thread1Thread1of1ForFork0_#t~mem2|) 4294967296) (mod (+ c_~sum3~0 c_~sum2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_393) c_~A~0.base) c_~A~0.offset)) 4294967296))) is different from false [2022-03-04 04:12:57,414 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 04:12:57,414 INFO L387 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 56 treesize of output 48 [2022-03-04 04:12:57,419 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2022-03-04 04:13:29,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:13:29,353 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879132795] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:13:29,353 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:13:29,353 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 49 [2022-03-04 04:13:29,353 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749889530] [2022-03-04 04:13:29,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:13:29,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-03-04 04:13:29,354 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:13:29,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-03-04 04:13:29,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=1922, Unknown=14, NotChecked=92, Total=2352 [2022-03-04 04:13:29,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:13:29,355 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:13:29,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 6.489795918367347) internal successors, (318), 49 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:13:29,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:13:29,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:13:29,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:13:29,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:13:29,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:13:29,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:13:29,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:13:29,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-03-04 04:13:29,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-03-04 04:13:29,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 04:13:29,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-03-04 04:13:29,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-04 04:13:29,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-04 04:13:29,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-03-04 04:13:29,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:13:31,721 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 45068 transitions and produced 15144 states. [2022-03-04 04:13:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:13:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:13:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:13:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 04:13:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:13:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:13:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:13:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-04 04:13:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-04 04:13:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-04 04:13:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-04 04:13:31,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-04 04:13:31,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-04 04:13:31,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-04 04:13:31,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 04:13:31,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-03-04 04:13:31,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-03-04 04:13:31,943 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 04:13:31,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:13:31,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1886398953, now seen corresponding path program 4 times [2022-03-04 04:13:31,943 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:13:31,944 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251687243] [2022-03-04 04:13:31,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:13:31,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:13:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:13:32,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:13:32,692 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:13:32,692 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251687243] [2022-03-04 04:13:32,692 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251687243] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:13:32,692 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805134065] [2022-03-04 04:13:32,692 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 04:13:32,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:13:32,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:13:32,693 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:13:32,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-04 04:13:32,773 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 04:13:32,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 04:13:32,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 54 conjunts are in the unsatisfiable core [2022-03-04 04:13:32,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:13:32,857 INFO L387 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 [2022-03-04 04:13:32,893 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-03-04 04:13:32,893 INFO L387 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 [2022-03-04 04:13:33,201 INFO L353 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-03-04 04:13:33,201 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2022-03-04 04:13:33,361 INFO L387 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 11 treesize of output 7 [2022-03-04 04:13:33,664 INFO L387 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 6 treesize of output 5 [2022-03-04 04:13:33,758 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-03-04 04:13:34,027 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-03-04 04:13:34,101 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-03-04 04:13:34,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:13:34,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:13:34,431 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_432 (Array Int Int))) (= (mod (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_432) c_~A~0.base) (+ c_~A~0.offset (* c_thread1Thread1of1ForFork0_~i~0 4))) c_~sum1~0) 4294967296) (mod (+ |c_thread2Thread1of1ForFork1_#t~mem4| c_~sum3~0 c_~sum2~0) 4294967296))) is different from false [2022-03-04 04:13:34,437 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_432 (Array Int Int))) (= (mod (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_432) c_~A~0.base) (+ c_~A~0.offset (* c_thread1Thread1of1ForFork0_~i~0 4))) c_~sum1~0) 4294967296) (mod (+ c_~sum3~0 c_~sum2~0 (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset (* c_thread2Thread1of1ForFork1_~i~1 4)))) 4294967296))) is different from false [2022-03-04 04:13:34,446 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_432 (Array Int Int))) (= (mod (+ (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset) c_~sum3~0 c_~sum2~0) 4294967296) (mod (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_432) c_~A~0.base) (+ c_~A~0.offset (* c_thread1Thread1of1ForFork0_~i~0 4))) c_~sum1~0) 4294967296))) is different from false [2022-03-04 04:13:34,454 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_432 (Array Int Int))) (= (mod (+ (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset) c_~sum3~0 c_~sum2~0) 4294967296) (mod (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_432) c_~A~0.base) c_~A~0.offset) c_~sum1~0) 4294967296))) is different from false [2022-03-04 04:13:34,475 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_432 (Array Int Int)) (v_ArrVal_431 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_431))) (= (mod (+ c_~sum3~0 c_~sum2~0 (select (select .cse0 c_~A~0.base) c_~A~0.offset)) 4294967296) (mod (+ c_~sum1~0 (select (select (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_432) c_~A~0.base) c_~A~0.offset)) 4294967296)))) is different from false [2022-03-04 04:13:34,502 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_430 (Array Int Int)) (v_ArrVal_432 (Array Int Int)) (v_ArrVal_431 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_430) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_431))) (= (mod (+ c_~sum3~0 c_~sum2~0 (select (select .cse0 c_~A~0.base) c_~A~0.offset)) 4294967296) (mod (+ c_~sum1~0 (select (select (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_432) c_~A~0.base) c_~A~0.offset)) 4294967296)))) is different from false [2022-03-04 04:13:34,542 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_430 (Array Int Int)) (v_ArrVal_432 (Array Int Int)) (v_ArrVal_431 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_430) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_431))) (= (mod (+ (select (select (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_432) |c_ULTIMATE.start_main_#t~ret9#1.base|) |c_ULTIMATE.start_main_#t~ret9#1.offset|) c_~sum1~0) 4294967296) (mod (+ c_~sum3~0 (select (select .cse0 |c_ULTIMATE.start_main_#t~ret9#1.base|) |c_ULTIMATE.start_main_#t~ret9#1.offset|) c_~sum2~0) 4294967296)))) is different from false [2022-03-04 04:13:34,553 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_430 (Array Int Int)) (v_ArrVal_432 (Array Int Int)) (v_ArrVal_431 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_430) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_431))) (= (mod (+ c_~sum1~0 (select (select (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_432) |c_ULTIMATE.start_create_fresh_uint_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_uint_array_#res#1.offset|)) 4294967296) (mod (+ c_~sum3~0 c_~sum2~0 (select (select .cse0 |c_ULTIMATE.start_create_fresh_uint_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_uint_array_#res#1.offset|)) 4294967296)))) is different from false [2022-03-04 04:13:34,561 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_430 (Array Int Int)) (v_ArrVal_432 (Array Int Int)) (v_ArrVal_431 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_430) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_431))) (= (mod (+ c_~sum1~0 (select (select (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_432) |c_ULTIMATE.start_create_fresh_uint_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_uint_array_~arr~0#1.offset|)) 4294967296) (mod (+ c_~sum3~0 (select (select .cse0 |c_ULTIMATE.start_create_fresh_uint_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_uint_array_~arr~0#1.offset|) c_~sum2~0) 4294967296)))) is different from false [2022-03-04 04:13:34,588 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 04:13:34,589 INFO L387 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 48 [2022-03-04 04:13:34,592 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13686 treesize of output 12918 [2022-03-04 04:13:34,628 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12918 treesize of output 12534 [2022-03-04 04:13:34,663 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12534 treesize of output 12022 [2022-03-04 04:13:34,694 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12022 treesize of output 11254 Received shutdown request... [2022-03-04 04:26:15,960 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-04 04:26:15,962 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-03-04 04:26:15,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-03-04 04:26:16,003 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 04:26:16,003 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 04:26:16,003 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 04:26:16,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-03-04 04:26:16,162 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 128 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 16 for 6ms.. [2022-03-04 04:26:16,163 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 04:26:16,164 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 04:26:16,164 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 04:26:16,170 INFO L732 BasicCegarLoop]: Path program histogram: [4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-04 04:26:16,172 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 04:26:16,172 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 04:26:16,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 04:26:16 BasicIcfg [2022-03-04 04:26:16,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 04:26:16,173 INFO L158 Benchmark]: Toolchain (without parser) took 846043.35ms. Allocated memory was 199.2MB in the beginning and 570.4MB in the end (delta: 371.2MB). Free memory was 145.2MB in the beginning and 314.6MB in the end (delta: -169.4MB). Peak memory consumption was 459.5MB. Max. memory is 8.0GB. [2022-03-04 04:26:16,174 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 161.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 04:26:16,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.01ms. Allocated memory is still 199.2MB. Free memory was 145.1MB in the beginning and 169.7MB in the end (delta: -24.7MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. [2022-03-04 04:26:16,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.37ms. Allocated memory is still 199.2MB. Free memory was 169.7MB in the beginning and 168.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 04:26:16,174 INFO L158 Benchmark]: Boogie Preprocessor took 28.21ms. Allocated memory is still 199.2MB. Free memory was 168.1MB in the beginning and 166.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 04:26:16,175 INFO L158 Benchmark]: RCFGBuilder took 374.69ms. Allocated memory is still 199.2MB. Free memory was 166.6MB in the beginning and 152.4MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-04 04:26:16,175 INFO L158 Benchmark]: TraceAbstraction took 845259.20ms. Allocated memory was 199.2MB in the beginning and 570.4MB in the end (delta: 371.2MB). Free memory was 151.9MB in the beginning and 314.6MB in the end (delta: -162.7MB). Peak memory consumption was 466.7MB. Max. memory is 8.0GB. [2022-03-04 04:26:16,177 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 199.2MB. Free memory is still 161.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 320.01ms. Allocated memory is still 199.2MB. Free memory was 145.1MB in the beginning and 169.7MB in the end (delta: -24.7MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.37ms. Allocated memory is still 199.2MB. Free memory was 169.7MB in the beginning and 168.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.21ms. Allocated memory is still 199.2MB. Free memory was 168.1MB in the beginning and 166.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 374.69ms. Allocated memory is still 199.2MB. Free memory was 166.6MB in the beginning and 152.4MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 845259.20ms. Allocated memory was 199.2MB in the beginning and 570.4MB in the end (delta: 371.2MB). Free memory was 151.9MB in the beginning and 314.6MB in the end (delta: -162.7MB). Peak memory consumption was 466.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 128 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 16 for 6ms.. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 128 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 16 for 6ms.. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 128 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 16 for 6ms.. - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 128 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 16 for 6ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 185 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 845.1s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 22.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 424, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 54.7s InterpolantComputationTime, 3123 NumberOfCodeBlocks, 3123 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 4372 ConstructedInterpolants, 130 QuantifiedInterpolants, 38070 SizeOfPredicates, 159 NumberOfNonLiveVariables, 2962 ConjunctsInSsa, 239 ConjunctsInUnsatCore, 35 InterpolantComputations, 7 PerfectInterpolantSequences, 97/162 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown