/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-d6e1636 [2023-01-10 12:53:44,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-10 12:53:44,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-10 12:53:44,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-10 12:53:44,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-10 12:53:44,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-10 12:53:44,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-10 12:53:44,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-10 12:53:44,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-10 12:53:44,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-10 12:53:44,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-10 12:53:44,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-10 12:53:44,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-10 12:53:44,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-10 12:53:44,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-10 12:53:44,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-10 12:53:44,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-10 12:53:44,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-10 12:53:44,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-10 12:53:44,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-10 12:53:44,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-10 12:53:44,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-10 12:53:44,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-10 12:53:44,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-10 12:53:44,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-10 12:53:44,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-10 12:53:44,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-10 12:53:44,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-10 12:53:44,527 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-01-10 12:53:44,550 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-10 12:53:44,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-10 12:53:44,551 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-10 12:53:44,551 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-10 12:53:44,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-10 12:53:44,552 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-10 12:53:44,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-10 12:53:44,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-10 12:53:44,553 INFO L138 SettingsManager]: * Use SBE=true [2023-01-10 12:53:44,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-10 12:53:44,553 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-10 12:53:44,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-10 12:53:44,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-10 12:53:44,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-10 12:53:44,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-10 12:53:44,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-10 12:53:44,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-10 12:53:44,555 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-10 12:53:44,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-10 12:53:44,555 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-10 12:53:44,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-10 12:53:44,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-10 12:53:44,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-10 12:53:44,556 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-10 12:53:44,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-10 12:53:44,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 12:53:44,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-10 12:53:44,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-10 12:53:44,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-10 12:53:44,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-10 12:53:44,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-10 12:53:44,558 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-10 12:53:44,558 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-10 12:53:44,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-10 12:53:44,559 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-10 12:53:44,559 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-01-10 12:53:44,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-10 12:53:44,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-10 12:53:44,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-10 12:53:44,812 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-10 12:53:44,812 INFO L275 PluginConnector]: CDTParser initialized [2023-01-10 12:53:44,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c [2023-01-10 12:53:45,963 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-10 12:53:46,152 INFO L351 CDTParser]: Found 1 translation units. [2023-01-10 12:53:46,153 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c [2023-01-10 12:53:46,158 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/684c1dd5f/87bb0438557e4126a5aac98634d4336f/FLAG1b58bad24 [2023-01-10 12:53:46,171 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/684c1dd5f/87bb0438557e4126a5aac98634d4336f [2023-01-10 12:53:46,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-10 12:53:46,174 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-10 12:53:46,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-10 12:53:46,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-10 12:53:46,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-10 12:53:46,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:53:46" (1/1) ... [2023-01-10 12:53:46,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1bdf1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:53:46, skipping insertion in model container [2023-01-10 12:53:46,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:53:46" (1/1) ... [2023-01-10 12:53:46,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-10 12:53:46,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-10 12:53:46,387 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c[2695,2708] [2023-01-10 12:53:46,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 12:53:46,416 INFO L203 MainTranslator]: Completed pre-run [2023-01-10 12:53:46,434 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c[2695,2708] [2023-01-10 12:53:46,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 12:53:46,450 INFO L208 MainTranslator]: Completed translation [2023-01-10 12:53:46,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:53:46 WrapperNode [2023-01-10 12:53:46,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-10 12:53:46,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-10 12:53:46,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-10 12:53:46,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-10 12:53:46,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:53:46" (1/1) ... [2023-01-10 12:53:46,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:53:46" (1/1) ... [2023-01-10 12:53:46,485 INFO L138 Inliner]: procedures = 25, calls = 37, calls flagged for inlining = 15, calls inlined = 19, statements flattened = 198 [2023-01-10 12:53:46,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-10 12:53:46,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-10 12:53:46,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-10 12:53:46,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-10 12:53:46,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:53:46" (1/1) ... [2023-01-10 12:53:46,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:53:46" (1/1) ... [2023-01-10 12:53:46,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:53:46" (1/1) ... [2023-01-10 12:53:46,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:53:46" (1/1) ... [2023-01-10 12:53:46,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:53:46" (1/1) ... [2023-01-10 12:53:46,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:53:46" (1/1) ... [2023-01-10 12:53:46,509 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:53:46" (1/1) ... [2023-01-10 12:53:46,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:53:46" (1/1) ... [2023-01-10 12:53:46,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-10 12:53:46,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-10 12:53:46,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-10 12:53:46,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-10 12:53:46,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:53:46" (1/1) ... [2023-01-10 12:53:46,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 12:53:46,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:53:46,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-01-10 12:53:46,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-01-10 12:53:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-10 12:53:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-10 12:53:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-10 12:53:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-10 12:53:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-10 12:53:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-10 12:53:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-10 12:53:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-10 12:53:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-10 12:53:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-10 12:53:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-10 12:53:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-10 12:53:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-10 12:53:46,593 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-10 12:53:46,675 INFO L236 CfgBuilder]: Building ICFG [2023-01-10 12:53:46,676 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-10 12:53:47,016 INFO L277 CfgBuilder]: Performing block encoding [2023-01-10 12:53:47,025 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-10 12:53:47,025 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-01-10 12:53:47,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:53:47 BoogieIcfgContainer [2023-01-10 12:53:47,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-10 12:53:47,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-10 12:53:47,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-10 12:53:47,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-10 12:53:47,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 12:53:46" (1/3) ... [2023-01-10 12:53:47,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389ab265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:53:47, skipping insertion in model container [2023-01-10 12:53:47,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:53:46" (2/3) ... [2023-01-10 12:53:47,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389ab265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:53:47, skipping insertion in model container [2023-01-10 12:53:47,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:53:47" (3/3) ... [2023-01-10 12:53:47,041 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-symm.wvr.c [2023-01-10 12:53:47,050 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-10 12:53:47,057 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-10 12:53:47,058 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-10 12:53:47,058 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-10 12:53:47,157 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-01-10 12:53:47,202 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 12:53:47,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 12:53:47,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:53:47,205 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 12:53:47,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-01-10 12:53:47,251 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 12:53:47,258 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-01-10 12:53:47,265 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a6e8309, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 12:53:47,265 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 12:53:47,586 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 12:53:47,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 12:53:47,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1300901510, now seen corresponding path program 1 times [2023-01-10 12:53:47,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 12:53:47,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302396683] [2023-01-10 12:53:47,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:53:47,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 12:53:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:53:47,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 12:53:47,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 12:53:47,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302396683] [2023-01-10 12:53:47,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302396683] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 12:53:47,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 12:53:47,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 12:53:47,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434386829] [2023-01-10 12:53:47,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 12:53:47,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-10 12:53:47,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 12:53:47,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-10 12:53:47,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-10 12:53:47,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:47,923 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 12:53:47,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 65.0) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 12:53:47,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:47,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:47,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-10 12:53:47,988 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 12:53:47,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 12:53:47,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1188010425, now seen corresponding path program 1 times [2023-01-10 12:53:47,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 12:53:47,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208320926] [2023-01-10 12:53:47,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:53:47,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 12:53:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:53:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 12:53:48,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 12:53:48,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208320926] [2023-01-10 12:53:48,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208320926] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 12:53:48,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 12:53:48,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-01-10 12:53:48,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968889942] [2023-01-10 12:53:48,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 12:53:48,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-01-10 12:53:48,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 12:53:48,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-01-10 12:53:48,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-01-10 12:53:48,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:48,367 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 12:53:48,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 12:53:48,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:48,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:48,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:48,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:53:48,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-10 12:53:48,515 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 12:53:48,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 12:53:48,515 INFO L85 PathProgramCache]: Analyzing trace with hash 777338546, now seen corresponding path program 1 times [2023-01-10 12:53:48,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 12:53:48,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885033932] [2023-01-10 12:53:48,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:53:48,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 12:53:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:53:48,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-10 12:53:48,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 12:53:48,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885033932] [2023-01-10 12:53:48,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885033932] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 12:53:48,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298030018] [2023-01-10 12:53:48,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:53:48,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 12:53:48,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:53:48,773 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 12:53:48,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-01-10 12:53:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:53:48,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 6 conjunts are in the unsatisfiable core [2023-01-10 12:53:48,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 12:53:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-10 12:53:49,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 12:53:49,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-10 12:53:49,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298030018] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 12:53:49,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 12:53:49,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-01-10 12:53:49,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943984495] [2023-01-10 12:53:49,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 12:53:49,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-01-10 12:53:49,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 12:53:49,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-01-10 12:53:49,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-01-10 12:53:49,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:49,219 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 12:53:49,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.533333333333333) internal successors, (173), 15 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 12:53:49,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:49,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:53:49,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:49,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:49,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:53:49,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:53:49,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-01-10 12:53:49,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-01-10 12:53:49,688 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 12:53:49,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 12:53:49,688 INFO L85 PathProgramCache]: Analyzing trace with hash 2066987428, now seen corresponding path program 2 times [2023-01-10 12:53:49,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 12:53:49,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629107828] [2023-01-10 12:53:49,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:53:49,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 12:53:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:53:49,990 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-01-10 12:53:49,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 12:53:49,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629107828] [2023-01-10 12:53:49,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629107828] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 12:53:49,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088930341] [2023-01-10 12:53:49,992 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-10 12:53:49,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 12:53:49,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:53:49,993 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 12:53:50,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-01-10 12:53:50,111 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-01-10 12:53:50,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 12:53:50,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-10 12:53:50,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 12:53:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-01-10 12:53:50,285 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-01-10 12:53:50,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088930341] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 12:53:50,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-01-10 12:53:50,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2023-01-10 12:53:50,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359050721] [2023-01-10 12:53:50,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 12:53:50,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-01-10 12:53:50,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 12:53:50,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-01-10 12:53:50,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-01-10 12:53:50,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:50,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 12:53:50,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 7 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 12:53:50,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:50,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:53:50,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:53:50,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:50,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:50,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:53:50,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:53:50,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 12:53:50,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-01-10 12:53:50,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 12:53:50,774 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 12:53:50,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 12:53:50,775 INFO L85 PathProgramCache]: Analyzing trace with hash 823620381, now seen corresponding path program 1 times [2023-01-10 12:53:50,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 12:53:50,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440267893] [2023-01-10 12:53:50,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:53:50,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 12:53:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:53:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-01-10 12:53:51,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 12:53:51,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440267893] [2023-01-10 12:53:51,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440267893] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 12:53:51,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685315032] [2023-01-10 12:53:51,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:53:51,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 12:53:51,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:53:51,072 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 12:53:51,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-01-10 12:53:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:53:51,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-10 12:53:51,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 12:53:51,398 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-01-10 12:53:51,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 12:53:51,527 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-01-10 12:53:51,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685315032] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 12:53:51,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 12:53:51,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2023-01-10 12:53:51,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523251884] [2023-01-10 12:53:51,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 12:53:51,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-01-10 12:53:51,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 12:53:51,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-01-10 12:53:51,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2023-01-10 12:53:51,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:51,530 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 12:53:51,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 11.772727272727273) internal successors, (259), 22 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 12:53:51,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:51,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:53:51,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:53:51,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 12:53:51,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:51,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:53:51,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:53:51,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:53:51,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 12:53:51,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 12:53:51,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-01-10 12:53:52,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 12:53:52,126 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 12:53:52,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 12:53:52,126 INFO L85 PathProgramCache]: Analyzing trace with hash 536932495, now seen corresponding path program 2 times [2023-01-10 12:53:52,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 12:53:52,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320084759] [2023-01-10 12:53:52,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:53:52,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 12:53:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:53:55,740 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-01-10 12:53:55,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 12:53:55,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320084759] [2023-01-10 12:53:55,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320084759] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 12:53:55,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74423639] [2023-01-10 12:53:55,741 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-10 12:53:55,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 12:53:55,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:53:55,745 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 12:53:55,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-01-10 12:53:56,049 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-10 12:53:56,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 12:53:56,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 82 conjunts are in the unsatisfiable core [2023-01-10 12:53:56,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 12:53:57,100 INFO L321 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-01-10 12:53:57,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 25 [2023-01-10 12:53:57,979 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-01-10 12:53:57,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 12:54:01,974 INFO L321 Elim1Store]: treesize reduction 30, result has 58.9 percent of original size [2023-01-10 12:54:01,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 52 [2023-01-10 12:54:02,021 INFO L321 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2023-01-10 12:54:02,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 1 [2023-01-10 12:54:02,052 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-01-10 12:54:02,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74423639] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 12:54:02,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 12:54:02,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 31, 34] total 104 [2023-01-10 12:54:02,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054816286] [2023-01-10 12:54:02,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 12:54:02,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2023-01-10 12:54:02,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 12:54:02,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2023-01-10 12:54:02,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=486, Invalid=10226, Unknown=0, NotChecked=0, Total=10712 [2023-01-10 12:54:02,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:54:02,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 12:54:02,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 4.144230769230769) internal successors, (431), 104 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 12:54:02,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:54:02,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:54:02,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:54:02,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 12:54:02,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-10 12:54:02,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:54:10,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:54:10,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:54:10,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:54:10,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 12:54:10,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 12:54:10,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-01-10 12:54:10,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-01-10 12:54:10,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 12:54:10,868 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 12:54:10,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 12:54:10,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1659931997, now seen corresponding path program 3 times [2023-01-10 12:54:10,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 12:54:10,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144467687] [2023-01-10 12:54:10,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:54:10,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 12:54:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:54:13,454 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-01-10 12:54:13,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 12:54:13,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144467687] [2023-01-10 12:54:13,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144467687] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 12:54:13,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035096521] [2023-01-10 12:54:13,455 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-10 12:54:13,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 12:54:13,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:54:13,458 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) [2023-01-10 12:54:13,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-01-10 12:54:13,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-01-10 12:54:13,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 12:54:13,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 70 conjunts are in the unsatisfiable core [2023-01-10 12:54:13,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 12:54:14,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2023-01-10 12:54:14,896 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-01-10 12:54:14,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 12:54:15,877 INFO L321 Elim1Store]: treesize reduction 30, result has 58.9 percent of original size [2023-01-10 12:54:15,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 50 [2023-01-10 12:54:15,939 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-01-10 12:54:15,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035096521] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 12:54:15,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 12:54:15,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 35, 25] total 68 [2023-01-10 12:54:15,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762693912] [2023-01-10 12:54:15,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 12:54:15,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2023-01-10 12:54:15,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 12:54:15,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2023-01-10 12:54:15,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=282, Invalid=4274, Unknown=0, NotChecked=0, Total=4556 [2023-01-10 12:54:15,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:54:15,943 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 12:54:15,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 6.102941176470588) internal successors, (415), 68 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 12:54:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:54:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:54:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:54:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 12:54:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-10 12:54:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-01-10 12:54:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:54:22,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:54:22,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:54:22,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:54:22,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 12:54:22,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 12:54:22,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-01-10 12:54:22,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-01-10 12:54:22,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-01-10 12:54:22,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 12:54:22,832 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 12:54:22,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 12:54:22,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1126196214, now seen corresponding path program 4 times [2023-01-10 12:54:22,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 12:54:22,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025243796] [2023-01-10 12:54:22,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:54:22,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 12:54:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:54:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-01-10 12:54:27,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 12:54:27,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025243796] [2023-01-10 12:54:27,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025243796] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 12:54:27,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073368413] [2023-01-10 12:54:27,709 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-10 12:54:27,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 12:54:27,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:54:27,713 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) [2023-01-10 12:54:27,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-01-10 12:54:27,979 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-10 12:54:27,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 12:54:27,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 110 conjunts are in the unsatisfiable core [2023-01-10 12:54:27,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 12:54:29,504 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-10 12:54:29,518 INFO L321 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2023-01-10 12:54:29,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 27 [2023-01-10 12:54:30,391 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2023-01-10 12:54:30,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 12:54:34,768 INFO L321 Elim1Store]: treesize reduction 30, result has 61.0 percent of original size [2023-01-10 12:54:34,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 59 [2023-01-10 12:54:34,812 INFO L321 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2023-01-10 12:54:34,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 1 [2023-01-10 12:54:34,998 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-01-10 12:54:34,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073368413] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 12:54:34,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 12:54:34,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 54, 44] total 113 [2023-01-10 12:54:34,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969709255] [2023-01-10 12:54:34,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 12:54:35,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2023-01-10 12:54:35,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 12:54:35,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2023-01-10 12:54:35,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=601, Invalid=12055, Unknown=0, NotChecked=0, Total=12656 [2023-01-10 12:54:35,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:54:35,005 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 12:54:35,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 4.530973451327434) internal successors, (512), 113 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 12:54:35,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:54:35,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:54:35,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:54:35,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 12:54:35,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-10 12:54:35,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-01-10 12:54:35,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-01-10 12:54:35,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:54:49,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:54:49,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:54:49,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:54:49,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 12:54:49,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 12:54:49,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-01-10 12:54:49,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-01-10 12:54:49,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-01-10 12:54:49,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-01-10 12:54:49,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 12:54:49,499 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 12:54:49,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 12:54:49,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1215295734, now seen corresponding path program 5 times [2023-01-10 12:54:49,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 12:54:49,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062771560] [2023-01-10 12:54:49,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:54:49,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 12:54:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:54:53,540 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 3 proven. 110 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-01-10 12:54:53,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 12:54:53,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062771560] [2023-01-10 12:54:53,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062771560] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 12:54:53,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950376751] [2023-01-10 12:54:53,541 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-10 12:54:53,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 12:54:53,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:54:53,541 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) [2023-01-10 12:54:53,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-01-10 12:54:53,724 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-01-10 12:54:53,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 12:54:53,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 80 conjunts are in the unsatisfiable core [2023-01-10 12:54:53,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 12:54:54,876 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-10 12:54:54,886 INFO L321 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2023-01-10 12:54:54,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 16 [2023-01-10 12:54:55,180 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-01-10 12:54:55,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 12:54:56,416 INFO L321 Elim1Store]: treesize reduction 30, result has 61.0 percent of original size [2023-01-10 12:54:56,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 54 [2023-01-10 12:54:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 25 proven. 88 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-01-10 12:54:56,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950376751] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 12:54:56,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 12:54:56,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 34, 29] total 94 [2023-01-10 12:54:56,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739308316] [2023-01-10 12:54:56,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 12:54:56,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-01-10 12:54:56,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 12:54:56,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-01-10 12:54:56,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=459, Invalid=8283, Unknown=0, NotChecked=0, Total=8742 [2023-01-10 12:54:56,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:54:56,562 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 12:54:56,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 7.297872340425532) internal successors, (686), 94 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 12:54:56,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:54:56,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:54:56,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:54:56,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 12:54:56,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-10 12:54:56,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-01-10 12:54:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-01-10 12:54:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-01-10 12:54:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:55:04,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:55:04,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:55:04,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:55:04,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 12:55:04,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 12:55:04,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-01-10 12:55:04,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-01-10 12:55:04,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-01-10 12:55:04,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-01-10 12:55:04,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-01-10 12:55:05,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-01-10 12:55:05,168 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 12:55:05,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 12:55:05,169 INFO L85 PathProgramCache]: Analyzing trace with hash -583516369, now seen corresponding path program 6 times [2023-01-10 12:55:05,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 12:55:05,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894255447] [2023-01-10 12:55:05,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:55:05,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 12:55:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:55:12,264 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 1 proven. 323 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-01-10 12:55:12,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 12:55:12,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894255447] [2023-01-10 12:55:12,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894255447] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 12:55:12,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334955737] [2023-01-10 12:55:12,265 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-01-10 12:55:12,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 12:55:12,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:55:12,267 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) [2023-01-10 12:55:12,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-01-10 12:55:12,485 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-01-10 12:55:12,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 12:55:12,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 101 conjunts are in the unsatisfiable core [2023-01-10 12:55:12,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 12:55:14,461 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-10 12:55:14,473 INFO L321 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2023-01-10 12:55:14,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 31 [2023-01-10 12:55:15,652 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-01-10 12:55:15,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 12:55:21,351 INFO L321 Elim1Store]: treesize reduction 30, result has 61.0 percent of original size [2023-01-10 12:55:21,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 60 [2023-01-10 12:55:21,379 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-01-10 12:55:21,380 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-01-10 12:55:21,388 INFO L321 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2023-01-10 12:55:21,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 1 [2023-01-10 12:55:21,400 INFO L321 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2023-01-10 12:55:21,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 1 [2023-01-10 12:55:21,815 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-01-10 12:55:21,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334955737] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 12:55:21,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 12:55:21,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 54, 44] total 141 [2023-01-10 12:55:21,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970045741] [2023-01-10 12:55:21,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 12:55:21,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2023-01-10 12:55:21,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 12:55:21,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2023-01-10 12:55:21,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=643, Invalid=19097, Unknown=0, NotChecked=0, Total=19740 [2023-01-10 12:55:21,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:55:21,844 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 12:55:21,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 5.439716312056738) internal successors, (767), 141 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 12:55:21,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:55:21,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:55:21,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:55:21,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 12:55:21,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-10 12:55:21,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-01-10 12:55:21,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-01-10 12:55:21,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-01-10 12:55:21,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2023-01-10 12:55:21,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:55:39,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:55:39,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:55:39,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:55:39,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 12:55:39,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 12:55:39,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-01-10 12:55:39,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-01-10 12:55:39,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-01-10 12:55:39,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-01-10 12:55:39,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-01-10 12:55:39,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-01-10 12:55:39,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-01-10 12:55:39,845 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 12:55:39,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 12:55:39,846 INFO L85 PathProgramCache]: Analyzing trace with hash -672115901, now seen corresponding path program 7 times [2023-01-10 12:55:39,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 12:55:39,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001345167] [2023-01-10 12:55:39,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:55:39,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 12:55:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:55:44,360 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 3 proven. 318 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-01-10 12:55:44,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 12:55:44,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001345167] [2023-01-10 12:55:44,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001345167] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 12:55:44,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573572358] [2023-01-10 12:55:44,361 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-01-10 12:55:44,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 12:55:44,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:55:44,362 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) [2023-01-10 12:55:44,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-01-10 12:55:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:55:44,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 119 conjunts are in the unsatisfiable core [2023-01-10 12:55:44,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 12:55:46,522 INFO L321 Elim1Store]: treesize reduction 74, result has 8.6 percent of original size [2023-01-10 12:55:46,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 16 [2023-01-10 12:55:47,056 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-01-10 12:55:47,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 12:55:49,750 INFO L321 Elim1Store]: treesize reduction 30, result has 61.0 percent of original size [2023-01-10 12:55:49,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 54 [2023-01-10 12:55:50,037 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 15 proven. 235 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-01-10 12:55:50,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573572358] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 12:55:50,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 12:55:50,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 46, 44] total 131 [2023-01-10 12:55:50,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547302395] [2023-01-10 12:55:50,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 12:55:50,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2023-01-10 12:55:50,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 12:55:50,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2023-01-10 12:55:50,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=692, Invalid=16338, Unknown=0, NotChecked=0, Total=17030 [2023-01-10 12:55:50,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:55:50,044 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 12:55:50,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 6.320610687022901) internal successors, (828), 131 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 12:55:50,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:55:50,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:55:50,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:55:50,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 12:55:50,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-10 12:55:50,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-01-10 12:55:50,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-01-10 12:55:50,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-01-10 12:55:50,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2023-01-10 12:55:50,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-01-10 12:55:50,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:56:11,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:56:11,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:56:11,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:56:11,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 12:56:11,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 12:56:11,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-01-10 12:56:11,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-01-10 12:56:11,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-01-10 12:56:11,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-01-10 12:56:11,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-01-10 12:56:11,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-01-10 12:56:11,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-01-10 12:56:11,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-01-10 12:56:11,795 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 12:56:11,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 12:56:11,795 INFO L85 PathProgramCache]: Analyzing trace with hash 927980650, now seen corresponding path program 8 times [2023-01-10 12:56:11,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 12:56:11,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620257328] [2023-01-10 12:56:11,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:56:11,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 12:56:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:56:16,359 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 3 proven. 520 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-01-10 12:56:16,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 12:56:16,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620257328] [2023-01-10 12:56:16,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620257328] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 12:56:16,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158400360] [2023-01-10 12:56:16,359 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-10 12:56:16,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 12:56:16,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:56:16,360 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) [2023-01-10 12:56:16,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-01-10 12:56:16,542 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-10 12:56:16,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 12:56:16,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 114 conjunts are in the unsatisfiable core [2023-01-10 12:56:16,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 12:56:18,145 INFO L321 Elim1Store]: treesize reduction 74, result has 8.6 percent of original size [2023-01-10 12:56:18,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 16 [2023-01-10 12:56:18,535 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 0 proven. 587 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-01-10 12:56:18,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 12:56:20,397 INFO L321 Elim1Store]: treesize reduction 30, result has 61.0 percent of original size [2023-01-10 12:56:20,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 54 [2023-01-10 12:56:20,509 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 25 proven. 416 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-01-10 12:56:20,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158400360] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 12:56:20,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 12:56:20,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 43, 37] total 114 [2023-01-10 12:56:20,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012754849] [2023-01-10 12:56:20,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 12:56:20,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2023-01-10 12:56:20,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 12:56:20,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2023-01-10 12:56:20,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=12387, Unknown=0, NotChecked=0, Total=12882 [2023-01-10 12:56:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:56:20,514 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 12:56:20,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 7.921052631578948) internal successors, (903), 114 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 12:56:20,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:56:20,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:56:20,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:56:20,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 12:56:20,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-10 12:56:20,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-01-10 12:56:20,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-01-10 12:56:20,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-01-10 12:56:20,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2023-01-10 12:56:20,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-01-10 12:56:20,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2023-01-10 12:56:20,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:56:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:56:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:56:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:56:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 12:56:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 12:56:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-01-10 12:56:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-01-10 12:56:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-01-10 12:56:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-01-10 12:56:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-01-10 12:56:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-01-10 12:56:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-01-10 12:56:34,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-01-10 12:56:35,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-01-10 12:56:35,013 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 12:56:35,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 12:56:35,014 INFO L85 PathProgramCache]: Analyzing trace with hash 795022799, now seen corresponding path program 9 times [2023-01-10 12:56:35,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 12:56:35,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101783438] [2023-01-10 12:56:35,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:56:35,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 12:56:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:56:42,143 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 30 proven. 605 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-01-10 12:56:42,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 12:56:42,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101783438] [2023-01-10 12:56:42,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101783438] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 12:56:42,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882280346] [2023-01-10 12:56:42,143 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-10 12:56:42,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 12:56:42,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:56:42,144 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) [2023-01-10 12:56:42,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-01-10 12:56:42,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-01-10 12:56:42,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 12:56:42,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 126 conjunts are in the unsatisfiable core [2023-01-10 12:56:42,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 12:56:46,658 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-10 12:56:46,674 INFO L321 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2023-01-10 12:56:46,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 26 [2023-01-10 12:56:47,803 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 207 proven. 376 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2023-01-10 12:56:47,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 12:56:53,023 INFO L321 Elim1Store]: treesize reduction 30, result has 61.0 percent of original size [2023-01-10 12:56:53,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 56 [2023-01-10 12:56:53,067 INFO L321 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2023-01-10 12:56:53,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 1 [2023-01-10 12:56:53,075 INFO L321 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2023-01-10 12:56:53,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 1 [2023-01-10 12:56:53,864 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 170 proven. 380 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-01-10 12:56:53,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882280346] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 12:56:53,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 12:56:53,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 66, 48] total 162 [2023-01-10 12:56:53,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926071028] [2023-01-10 12:56:53,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 12:56:53,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 162 states [2023-01-10 12:56:53,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 12:56:53,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2023-01-10 12:56:53,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1015, Invalid=25067, Unknown=0, NotChecked=0, Total=26082 [2023-01-10 12:56:53,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:56:53,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 12:56:53,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 162 states, 162 states have (on average 7.154320987654321) internal successors, (1159), 162 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 12:56:53,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:56:53,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 12:56:53,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 12:56:53,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 12:56:53,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-10 12:56:53,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-01-10 12:56:53,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-01-10 12:56:53,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-01-10 12:56:53,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2023-01-10 12:56:53,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-01-10 12:56:53,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2023-01-10 12:56:53,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-01-10 12:56:53,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:03:22,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:03:22,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:03:22,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:03:22,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:03:22,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 13:03:22,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-01-10 13:03:22,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-01-10 13:03:22,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-01-10 13:03:22,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-01-10 13:03:22,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-01-10 13:03:22,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2023-01-10 13:03:22,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-01-10 13:03:22,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 920 states. [2023-01-10 13:03:22,112 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-01-10 13:03:22,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-01-10 13:03:22,308 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:03:22,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:03:22,308 INFO L85 PathProgramCache]: Analyzing trace with hash -82718929, now seen corresponding path program 10 times [2023-01-10 13:03:22,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:03:22,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668274643] [2023-01-10 13:03:22,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:03:22,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:03:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:03:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1941 backedges. 1261 proven. 235 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2023-01-10 13:03:23,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:03:23,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668274643] [2023-01-10 13:03:23,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668274643] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:03:23,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835361095] [2023-01-10 13:03:23,170 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-10 13:03:23,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:03:23,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:03:23,171 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 13:03:23,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-01-10 13:03:23,555 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-10 13:03:23,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 13:03:23,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 1173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-01-10 13:03:23,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 13:03:23,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1941 backedges. 1091 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2023-01-10 13:03:23,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-01-10 13:03:23,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835361095] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:03:23,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-01-10 13:03:23,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [23] total 25 [2023-01-10 13:03:23,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822274112] [2023-01-10 13:03:23,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:03:23,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-01-10 13:03:23,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:03:23,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-01-10 13:03:23,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2023-01-10 13:03:23,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:03:23,705 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:03:23,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 25.153846153846153) internal successors, (327), 13 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 13:03:23,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:03:23,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:03:23,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:03:23,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:03:23,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-10 13:03:23,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-01-10 13:03:23,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-01-10 13:03:23,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-01-10 13:03:23,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2023-01-10 13:03:23,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-01-10 13:03:23,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2023-01-10 13:03:23,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-01-10 13:03:23,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 920 states. [2023-01-10 13:03:23,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:04:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:04:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:04:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:04:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:04:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 13:04:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-01-10 13:04:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-01-10 13:04:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-01-10 13:04:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-01-10 13:04:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-01-10 13:04:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2023-01-10 13:04:50,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2023-01-10 13:04:50,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1084 states. [2023-01-10 13:04:50,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-01-10 13:04:50,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-01-10 13:04:51,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-01-10 13:04:51,007 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:04:51,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:04:51,008 INFO L85 PathProgramCache]: Analyzing trace with hash 552886115, now seen corresponding path program 11 times [2023-01-10 13:04:51,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:04:51,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028848504] [2023-01-10 13:04:51,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:04:51,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:04:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:04:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 109 proven. 414 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-01-10 13:04:55,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:04:55,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028848504] [2023-01-10 13:04:55,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028848504] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:04:55,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299234053] [2023-01-10 13:04:55,409 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-10 13:04:55,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:04:55,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:04:55,413 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 13:04:55,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-01-10 13:04:55,644 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-01-10 13:04:55,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 13:04:55,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 122 conjunts are in the unsatisfiable core [2023-01-10 13:04:55,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 13:04:58,399 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 13:04:58,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 51 treesize of output 47 [2023-01-10 13:04:58,772 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 109 proven. 478 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-01-10 13:04:58,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 13:05:00,586 INFO L321 Elim1Store]: treesize reduction 30, result has 61.0 percent of original size [2023-01-10 13:05:00,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 60 [2023-01-10 13:05:01,001 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 109 proven. 332 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-01-10 13:05:01,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299234053] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 13:05:01,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 13:05:01,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 59, 37] total 107 [2023-01-10 13:05:01,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777630483] [2023-01-10 13:05:01,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 13:05:01,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2023-01-10 13:05:01,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:05:01,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2023-01-10 13:05:01,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=541, Invalid=10801, Unknown=0, NotChecked=0, Total=11342 [2023-01-10 13:05:01,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:01,007 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:05:01,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 7.598130841121495) internal successors, (813), 107 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 13:05:01,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:01,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:01,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:05:01,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:05:01,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-10 13:05:01,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-01-10 13:05:01,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-01-10 13:05:01,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-01-10 13:05:01,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2023-01-10 13:05:01,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-01-10 13:05:01,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 191 states. [2023-01-10 13:05:01,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2023-01-10 13:05:01,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1084 states. [2023-01-10 13:05:01,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-01-10 13:05:01,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:05:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:05:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 13:05:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-01-10 13:05:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-01-10 13:05:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-01-10 13:05:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-01-10 13:05:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-01-10 13:05:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2023-01-10 13:05:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2023-01-10 13:05:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1084 states. [2023-01-10 13:05:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-01-10 13:05:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-01-10 13:05:14,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-01-10 13:05:15,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:05:15,193 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:05:15,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:05:15,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1520951466, now seen corresponding path program 12 times [2023-01-10 13:05:15,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:05:15,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517296601] [2023-01-10 13:05:15,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:05:15,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:05:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:05:21,191 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-01-10 13:05:21,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:05:21,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517296601] [2023-01-10 13:05:21,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517296601] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:05:21,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647719551] [2023-01-10 13:05:21,191 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-01-10 13:05:21,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:05:21,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:05:21,193 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 13:05:21,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-01-10 13:05:21,438 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-01-10 13:05:21,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 13:05:21,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 121 conjunts are in the unsatisfiable core [2023-01-10 13:05:21,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 13:05:24,254 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-10 13:05:24,270 INFO L321 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2023-01-10 13:05:24,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 31 [2023-01-10 13:05:25,596 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 33 proven. 332 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2023-01-10 13:05:25,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 13:05:32,655 INFO L321 Elim1Store]: treesize reduction 30, result has 61.0 percent of original size [2023-01-10 13:05:32,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 60 [2023-01-10 13:05:32,707 INFO L321 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2023-01-10 13:05:32,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 1 [2023-01-10 13:05:32,715 INFO L321 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2023-01-10 13:05:32,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 1 [2023-01-10 13:05:33,263 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 0 proven. 332 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-01-10 13:05:33,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647719551] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 13:05:33,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 13:05:33,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 64, 48] total 153 [2023-01-10 13:05:33,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48295021] [2023-01-10 13:05:33,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 13:05:33,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 153 states [2023-01-10 13:05:33,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:05:33,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2023-01-10 13:05:33,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=652, Invalid=22604, Unknown=0, NotChecked=0, Total=23256 [2023-01-10 13:05:33,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:33,267 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:05:33,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 153 states, 153 states have (on average 5.836601307189542) internal successors, (893), 153 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 13:05:33,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:33,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:33,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:05:33,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:05:33,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-10 13:05:33,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-01-10 13:05:33,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-01-10 13:05:33,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-01-10 13:05:33,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2023-01-10 13:05:33,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-01-10 13:05:33,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 191 states. [2023-01-10 13:05:33,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2023-01-10 13:05:33,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1084 states. [2023-01-10 13:05:33,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-01-10 13:05:33,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-01-10 13:05:33,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-01-10 13:05:39,634 WARN L238 SmtUtils]: Removed 7 from assertion stack [2023-01-10 13:05:39,659 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-10 13:05:39,659 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 [2023-01-10 13:05:39,662 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 [2023-01-10 13:05:39,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-01-10 13:05:39,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-01-10 13:05:39,853 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 202 known predicates. [2023-01-10 13:05:39,855 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-01-10 13:05:39,866 INFO L445 BasicCegarLoop]: Path program histogram: [12, 2, 1, 1] [2023-01-10 13:05:39,867 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2023-01-10 13:05:39,873 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-10 13:05:39,874 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-10 13:05:39,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 01:05:39 BasicIcfg [2023-01-10 13:05:39,881 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-10 13:05:39,881 INFO L158 Benchmark]: Toolchain (without parser) took 713706.75ms. Allocated memory was 205.5MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 141.0MB in the beginning and 442.3MB in the end (delta: -301.3MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-01-10 13:05:39,881 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 205.5MB. Free memory is still 154.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-01-10 13:05:39,881 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.13ms. Allocated memory was 205.5MB in the beginning and 277.9MB in the end (delta: 72.4MB). Free memory was 140.6MB in the beginning and 243.6MB in the end (delta: -103.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-01-10 13:05:39,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.50ms. Allocated memory is still 277.9MB. Free memory was 243.6MB in the beginning and 241.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-10 13:05:39,882 INFO L158 Benchmark]: Boogie Preprocessor took 26.95ms. Allocated memory is still 277.9MB. Free memory was 241.6MB in the beginning and 240.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-10 13:05:39,882 INFO L158 Benchmark]: RCFGBuilder took 513.87ms. Allocated memory is still 277.9MB. Free memory was 239.5MB in the beginning and 219.6MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-01-10 13:05:39,883 INFO L158 Benchmark]: TraceAbstraction took 712845.07ms. Allocated memory was 277.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 219.0MB in the beginning and 442.3MB in the end (delta: -223.3MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-01-10 13:05:39,884 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 205.5MB. Free memory is still 154.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 275.13ms. Allocated memory was 205.5MB in the beginning and 277.9MB in the end (delta: 72.4MB). Free memory was 140.6MB in the beginning and 243.6MB in the end (delta: -103.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.50ms. Allocated memory is still 277.9MB. Free memory was 243.6MB in the beginning and 241.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.95ms. Allocated memory is still 277.9MB. Free memory was 241.6MB in the beginning and 240.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 513.87ms. Allocated memory is still 277.9MB. Free memory was 239.5MB in the beginning and 219.6MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 712845.07ms. Allocated memory was 277.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 219.0MB in the beginning and 442.3MB in the end (delta: -223.3MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 90512, independent: 78398, independent conditional: 78398, independent unconditional: 0, dependent: 12114, dependent conditional: 12114, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 78398, independent: 78398, independent conditional: 78398, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 78398, independent: 78398, independent conditional: 78398, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 78398, independent: 78398, independent conditional: 0, independent unconditional: 78398, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 78398, independent: 78398, independent conditional: 0, independent unconditional: 78398, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 78398, independent: 78398, independent conditional: 0, independent unconditional: 78398, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1820, independent: 1820, independent conditional: 0, independent unconditional: 1820, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1820, independent: 1820, independent conditional: 0, independent unconditional: 1820, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 78398, independent: 76578, independent conditional: 0, independent unconditional: 76578, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1820, unknown conditional: 0, unknown unconditional: 1820] , Statistics on independence cache: Total cache size (in pairs): 1820, Positive cache size: 1820, Positive conditional cache size: 0, Positive unconditional cache size: 1820, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 12114 - StatisticsResult: Traversal Statistics Data States: 1321, Transitions: 1468, Traversal time: 264852030.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 28 - StatisticsResult: Traversal Statistics Data States: 1361, Transitions: 1522, Traversal time: 50304839.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 29 - StatisticsResult: Traversal Statistics Data States: 1375, Transitions: 1536, Traversal time: 131173980.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 29 - StatisticsResult: Traversal Statistics Data States: 1395, Transitions: 1556, Traversal time: 243528732.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 29 - StatisticsResult: Traversal Statistics Data States: 1037, Transitions: 1159, Traversal time: 255248229.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 12 - StatisticsResult: Traversal Statistics Data States: 1069, Transitions: 1191, Traversal time: 372997237.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 12 - StatisticsResult: Traversal Statistics Data States: 2100, Transitions: 2358, Traversal time: 8499082123.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 28 - StatisticsResult: Traversal Statistics Data States: 3114, Transitions: 3512, Traversal time: 6054897487.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 30 - StatisticsResult: Traversal Statistics Data States: 2965, Transitions: 3341, Traversal time: 13936498803.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 30 - StatisticsResult: Traversal Statistics Data States: 4145, Transitions: 4681, Traversal time: 7379080056.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 32 - StatisticsResult: Traversal Statistics Data States: 3988, Transitions: 4498, Traversal time: 17247135941.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 32 - StatisticsResult: Traversal Statistics Data States: 4953, Transitions: 5595, Traversal time: 18912840132.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 32 - StatisticsResult: Traversal Statistics Data States: 6269, Transitions: 7105, Traversal time: 12125793381.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 36 - StatisticsResult: Traversal Statistics Data States: 11097, Transitions: 12495, Traversal time: 374002263211.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 86 - StatisticsResult: Traversal Statistics Data States: 11639, Transitions: 13263, Traversal time: 69410459281.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 94 - StatisticsResult: Traversal Statistics Data States: 11610, Transitions: 13232, Traversal time: 12712835400.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 94 - StatisticsResult: Traversal Statistics Data States: 137, Transitions: 141, Traversal time: 6365648758.0ns - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 202 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 295 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 712636723628.0ns, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 588754957176.0ns, FeasibilityCheckTime: 120870363030.0ns, RefinementTime: 68646166.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 19006873.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91931 SdHoareTripleChecker+Valid, 73444759430.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91931 mSDsluCounter, 476073 SdHoareTripleChecker+Invalid, 63240036446.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 466195 mSDsCounter, 1166 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 163205 IncrementalHoareTripleChecker+Invalid, 164371 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1166 mSolverCounterUnsat, 9878 mSDtfsCounter, 163205 mSolverCounterSat, 1448432916.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2092, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 512895145.0ns SsaConstructionTime, 2938026467.0ns SatisfiabilityAnalysisTime, 116180330029.0ns InterpolantComputationTime, 9997 NumberOfCodeBlocks, 9901 NumberOfCodeBlocksAsserted, 61 NumberOfCheckSat, 14026 ConstructedInterpolants, 19 QuantifiedInterpolants, 200971 SizeOfPredicates, 592 NumberOfNonLiveVariables, 9309 ConjunctsInSsa, 1082 ConjunctsInUnsatCore, 42 InterpolantComputations, 4 PerfectInterpolantSequences, 8709/16419 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