/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-poker-hand-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-d6e1636 [2023-01-10 13:05:15,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-10 13:05:15,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-10 13:05:15,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-10 13:05:15,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-10 13:05:15,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-10 13:05:15,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-10 13:05:15,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-10 13:05:15,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-10 13:05:15,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-10 13:05:15,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-10 13:05:15,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2023-01-10 13:05:15,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-10 13:05:15,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-10 13:05:15,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-10 13:05:15,808 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-01-10 13:05:15,834 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-10 13:05:15,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-10 13:05:15,835 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-10 13:05:15,835 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-10 13:05:15,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-10 13:05:15,836 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-10 13:05:15,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-10 13:05:15,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-10 13:05:15,836 INFO L138 SettingsManager]: * Use SBE=true [2023-01-10 13:05:15,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-10 13:05:15,837 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-10 13:05:15,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-10 13:05:15,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-10 13:05:15,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-10 13:05:15,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-10 13:05:15,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-10 13:05:15,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-10 13:05:15,838 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-10 13:05:15,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-10 13:05:15,838 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-10 13:05:15,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-10 13:05:15,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-10 13:05:15,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-10 13:05:15,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-10 13:05:15,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-10 13:05:15,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 13:05:15,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-10 13:05:15,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-10 13:05:15,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-10 13:05:15,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-10 13:05:15,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-10 13:05:15,839 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-10 13:05:15,839 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-10 13:05:15,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-10 13:05:15,839 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-10 13:05:15,839 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-01-10 13:05:16,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-10 13:05:16,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-10 13:05:16,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-10 13:05:16,043 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-10 13:05:16,044 INFO L275 PluginConnector]: CDTParser initialized [2023-01-10 13:05:16,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2023-01-10 13:05:16,981 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-10 13:05:17,139 INFO L351 CDTParser]: Found 1 translation units. [2023-01-10 13:05:17,140 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2023-01-10 13:05:17,149 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9652b9c9/1b3e964f9fb440e290833ffb3d73dae5/FLAG41037339b [2023-01-10 13:05:17,159 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9652b9c9/1b3e964f9fb440e290833ffb3d73dae5 [2023-01-10 13:05:17,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-10 13:05:17,163 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-10 13:05:17,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-10 13:05:17,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-10 13:05:17,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-10 13:05:17,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:05:17" (1/1) ... [2023-01-10 13:05:17,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a5e6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:05:17, skipping insertion in model container [2023-01-10 13:05:17,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:05:17" (1/1) ... [2023-01-10 13:05:17,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-10 13:05:17,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-10 13:05:17,419 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-poker-hand-subst.wvr.c[19262,19275] [2023-01-10 13:05:17,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 13:05:17,432 INFO L203 MainTranslator]: Completed pre-run [2023-01-10 13:05:17,485 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-poker-hand-subst.wvr.c[19262,19275] [2023-01-10 13:05:17,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 13:05:17,496 WARN L663 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 13:05:17,496 WARN L663 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 13:05:17,501 INFO L208 MainTranslator]: Completed translation [2023-01-10 13:05:17,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:05:17 WrapperNode [2023-01-10 13:05:17,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-10 13:05:17,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-10 13:05:17,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-10 13:05:17,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-10 13:05:17,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:05:17" (1/1) ... [2023-01-10 13:05:17,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:05:17" (1/1) ... [2023-01-10 13:05:17,584 INFO L138 Inliner]: procedures = 26, calls = 454, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2365 [2023-01-10 13:05:17,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-10 13:05:17,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-10 13:05:17,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-10 13:05:17,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-10 13:05:17,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:05:17" (1/1) ... [2023-01-10 13:05:17,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:05:17" (1/1) ... [2023-01-10 13:05:17,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:05:17" (1/1) ... [2023-01-10 13:05:17,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:05:17" (1/1) ... [2023-01-10 13:05:17,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:05:17" (1/1) ... [2023-01-10 13:05:17,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:05:17" (1/1) ... [2023-01-10 13:05:17,694 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:05:17" (1/1) ... [2023-01-10 13:05:17,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:05:17" (1/1) ... [2023-01-10 13:05:17,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-10 13:05:17,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-10 13:05:17,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-10 13:05:17,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-10 13:05:17,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:05:17" (1/1) ... [2023-01-10 13:05:17,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 13:05:17,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:05:17,754 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 13:05:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-10 13:05:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-10 13:05:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-10 13:05:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-10 13:05:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-10 13:05:17,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-10 13:05:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-10 13:05:17,783 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-10 13:05:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-01-10 13:05:17,783 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-01-10 13:05:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-10 13:05:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-10 13:05:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-10 13:05:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-10 13:05:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-10 13:05:17,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-10 13:05:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-10 13:05:17,770 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 13:05:17,786 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 13:05:18,030 INFO L236 CfgBuilder]: Building ICFG [2023-01-10 13:05:18,031 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-10 13:05:19,451 INFO L277 CfgBuilder]: Performing block encoding [2023-01-10 13:05:21,029 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-10 13:05:21,030 INFO L302 CfgBuilder]: Removed 18 assume(true) statements. [2023-01-10 13:05:21,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:05:21 BoogieIcfgContainer [2023-01-10 13:05:21,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-10 13:05:21,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-10 13:05:21,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-10 13:05:21,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-10 13:05:21,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:05:17" (1/3) ... [2023-01-10 13:05:21,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ee5b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:05:21, skipping insertion in model container [2023-01-10 13:05:21,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:05:17" (2/3) ... [2023-01-10 13:05:21,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ee5b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:05:21, skipping insertion in model container [2023-01-10 13:05:21,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:05:21" (3/3) ... [2023-01-10 13:05:21,038 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2023-01-10 13:05:21,045 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-10 13:05:21,051 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-10 13:05:21,052 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-10 13:05:21,052 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-10 13:05:21,411 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-01-10 13:05:21,447 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 13:05:21,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 13:05:21,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:05:21,449 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 13:05:21,458 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 13:05:21,474 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 13:05:21,479 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-01-10 13:05:21,483 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;@3abc900d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 13:05:21,483 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 13:05:21,599 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:05:21,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:05:21,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1858122803, now seen corresponding path program 1 times [2023-01-10 13:05:21,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:05:21,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119858540] [2023-01-10 13:05:21,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:05:21,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:05:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:05:22,134 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 13:05:22,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:05:22,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119858540] [2023-01-10 13:05:22,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119858540] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:05:22,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:05:22,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 13:05:22,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862879771] [2023-01-10 13:05:22,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:05:22,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-10 13:05:22,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:05:22,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-10 13:05:22,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-10 13:05:22,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:22,165 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:05:22,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 222.5) internal successors, (445), 2 states have internal predecessors, (445), 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 13:05:22,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:22,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:22,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-10 13:05:22,214 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:05:22,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:05:22,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1881129298, now seen corresponding path program 1 times [2023-01-10 13:05:22,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:05:22,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880650715] [2023-01-10 13:05:22,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:05:22,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:05:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:05:22,633 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 13:05:22,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:05:22,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880650715] [2023-01-10 13:05:22,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880650715] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:05:22,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:05:22,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-01-10 13:05:22,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380285171] [2023-01-10 13:05:22,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:05:22,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-01-10 13:05:22,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:05:22,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-01-10 13:05:22,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-01-10 13:05:22,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:22,652 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:05:22,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.0) internal successors, (420), 5 states have internal predecessors, (420), 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 13:05:22,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:22,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:22,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:22,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:22,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-10 13:05:22,885 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:05:22,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:05:22,885 INFO L85 PathProgramCache]: Analyzing trace with hash -11631563, now seen corresponding path program 1 times [2023-01-10 13:05:22,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:05:22,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653701920] [2023-01-10 13:05:22,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:05:22,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:05:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:05:23,353 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-01-10 13:05:23,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:05:23,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653701920] [2023-01-10 13:05:23,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653701920] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:05:23,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693682871] [2023-01-10 13:05:23,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:05:23,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:05:23,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:05:23,358 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 13:05:23,364 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 13:05:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:05:23,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 1087 conjuncts, 4 conjunts are in the unsatisfiable core [2023-01-10 13:05:23,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 13:05:24,044 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-10 13:05:24,044 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-01-10 13:05:24,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693682871] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:05:24,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-01-10 13:05:24,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2023-01-10 13:05:24,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138372661] [2023-01-10 13:05:24,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:05:24,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-01-10 13:05:24,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:05:24,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-01-10 13:05:24,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-01-10 13:05:24,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:24,047 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:05:24,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 93.6) internal successors, (468), 5 states have internal predecessors, (468), 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 13:05:24,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:24,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:24,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:24,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:24,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:24,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:05:24,231 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 13:05:24,431 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 13:05:24,431 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:05:24,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:05:24,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1336172368, now seen corresponding path program 1 times [2023-01-10 13:05:24,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:05:24,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946210386] [2023-01-10 13:05:24,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:05:24,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:05:24,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:05:24,823 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-01-10 13:05:24,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:05:24,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946210386] [2023-01-10 13:05:24,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946210386] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:05:24,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105774576] [2023-01-10 13:05:24,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:05:24,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:05:24,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:05:24,825 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 13:05:24,827 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 13:05:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:05:25,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 6 conjunts are in the unsatisfiable core [2023-01-10 13:05:25,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 13:05:25,500 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-01-10 13:05:25,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 13:05:25,573 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-01-10 13:05:25,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105774576] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 13:05:25,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 13:05:25,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2023-01-10 13:05:25,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80773112] [2023-01-10 13:05:25,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 13:05:25,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-01-10 13:05:25,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:05:25,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-01-10 13:05:25,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2023-01-10 13:05:25,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:25,577 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:05:25,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 44.0) internal successors, (748), 17 states have internal predecessors, (748), 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 13:05:25,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:25,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:25,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:05:25,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:26,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:26,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:26,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:05:26,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:05:26,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-01-10 13:05:26,426 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 13:05:26,426 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:05:26,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:05:26,427 INFO L85 PathProgramCache]: Analyzing trace with hash -224408724, now seen corresponding path program 2 times [2023-01-10 13:05:26,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:05:26,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128628710] [2023-01-10 13:05:26,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:05:26,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:05:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:05:27,031 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-01-10 13:05:27,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:05:27,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128628710] [2023-01-10 13:05:27,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128628710] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:05:27,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834299926] [2023-01-10 13:05:27,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-10 13:05:27,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:05:27,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:05:27,034 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 13:05:27,036 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 13:05:27,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-01-10 13:05:27,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 13:05:27,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 4 conjunts are in the unsatisfiable core [2023-01-10 13:05:27,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 13:05:27,622 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-01-10 13:05:27,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-01-10 13:05:27,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834299926] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:05:27,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-01-10 13:05:27,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2023-01-10 13:05:27,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368883007] [2023-01-10 13:05:27,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:05:27,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 13:05:27,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:05:27,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 13:05:27,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-01-10 13:05:27,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:27,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:05:27,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 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 13:05:27,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:27,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:27,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:05:27,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:05:27,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:28,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:28,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:28,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:05:28,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:05:28,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:28,285 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 13:05:28,480 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 13:05:28,480 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:05:28,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:05:28,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1387867509, now seen corresponding path program 1 times [2023-01-10 13:05:28,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:05:28,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688386728] [2023-01-10 13:05:28,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:05:28,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:05:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:05:29,106 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2023-01-10 13:05:29,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:05:29,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688386728] [2023-01-10 13:05:29,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688386728] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:05:29,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616463757] [2023-01-10 13:05:29,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:05:29,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:05:29,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:05:29,108 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 13:05:29,110 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 13:05:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:05:29,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 1526 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-10 13:05:29,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 13:05:29,937 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2023-01-10 13:05:29,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 13:05:30,050 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2023-01-10 13:05:30,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616463757] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 13:05:30,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 13:05:30,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2023-01-10 13:05:30,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502547293] [2023-01-10 13:05:30,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 13:05:30,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-01-10 13:05:30,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:05:30,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-01-10 13:05:30,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2023-01-10 13:05:30,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:30,053 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:05:30,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 26.681818181818183) internal successors, (587), 22 states have internal predecessors, (587), 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 13:05:30,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:30,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:30,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:05:30,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:05:30,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:30,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:05:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:05:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:05:31,276 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 13:05:31,476 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 13:05:31,477 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:05:31,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:05:31,478 INFO L85 PathProgramCache]: Analyzing trace with hash -2063212850, now seen corresponding path program 2 times [2023-01-10 13:05:31,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:05:31,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525876892] [2023-01-10 13:05:31,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:05:31,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:05:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:05:32,313 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 739 trivial. 0 not checked. [2023-01-10 13:05:32,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:05:32,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525876892] [2023-01-10 13:05:32,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525876892] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:05:32,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737846899] [2023-01-10 13:05:32,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-10 13:05:32,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:05:32,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:05:32,315 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 13:05:32,317 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 13:05:32,937 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-01-10 13:05:32,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 13:05:32,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 4 conjunts are in the unsatisfiable core [2023-01-10 13:05:32,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 13:05:32,981 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 824 trivial. 0 not checked. [2023-01-10 13:05:32,981 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-01-10 13:05:32,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737846899] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:05:32,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-01-10 13:05:32,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 16 [2023-01-10 13:05:32,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163551923] [2023-01-10 13:05:32,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:05:32,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 13:05:32,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:05:32,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 13:05:32,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2023-01-10 13:05:32,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:32,985 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:05:32,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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 13:05:32,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:32,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:32,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:05:32,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:05:32,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:32,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:05:32,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:33,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:33,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:33,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:05:33,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:05:33,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:33,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:05:33,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:33,300 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 13:05:33,489 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 13:05:33,489 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:05:33,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:05:33,490 INFO L85 PathProgramCache]: Analyzing trace with hash 2092365669, now seen corresponding path program 1 times [2023-01-10 13:05:33,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:05:33,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295095002] [2023-01-10 13:05:33,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:05:33,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:05:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:05:34,301 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2023-01-10 13:05:34,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:05:34,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295095002] [2023-01-10 13:05:34,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295095002] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:05:34,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259005512] [2023-01-10 13:05:34,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:05:34,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:05:34,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:05:34,310 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 13:05:34,311 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 13:05:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:05:34,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 1797 conjuncts, 14 conjunts are in the unsatisfiable core [2023-01-10 13:05:34,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 13:05:35,183 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2023-01-10 13:05:35,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 13:05:35,385 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2023-01-10 13:05:35,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259005512] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 13:05:35,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 13:05:35,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 39 [2023-01-10 13:05:35,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872190205] [2023-01-10 13:05:35,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 13:05:35,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-01-10 13:05:35,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:05:35,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-01-10 13:05:35,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=345, Invalid=1137, Unknown=0, NotChecked=0, Total=1482 [2023-01-10 13:05:35,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:35,389 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:05:35,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 16.76923076923077) internal successors, (654), 39 states have internal predecessors, (654), 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 13:05:35,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:35,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:35,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:05:35,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:05:35,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:35,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:05:35,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:35,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:36,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:36,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:36,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:05:36,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:05:36,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:36,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:05:36,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:36,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:05:36,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-01-10 13:05:36,966 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 13:05:36,966 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:05:36,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:05:36,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1929987857, now seen corresponding path program 2 times [2023-01-10 13:05:36,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:05:36,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148483680] [2023-01-10 13:05:36,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:05:36,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:05:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:05:38,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 1473 trivial. 0 not checked. [2023-01-10 13:05:38,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:05:38,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148483680] [2023-01-10 13:05:38,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148483680] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:05:38,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729823187] [2023-01-10 13:05:38,400 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-10 13:05:38,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:05:38,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:05:38,401 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 13:05:38,403 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 13:05:38,981 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-01-10 13:05:38,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 13:05:38,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 4 conjunts are in the unsatisfiable core [2023-01-10 13:05:38,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 13:05:39,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1924 trivial. 0 not checked. [2023-01-10 13:05:39,026 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-01-10 13:05:39,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729823187] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:05:39,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-01-10 13:05:39,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [27] total 28 [2023-01-10 13:05:39,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233518635] [2023-01-10 13:05:39,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:05:39,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 13:05:39,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:05:39,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 13:05:39,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=580, Unknown=0, NotChecked=0, Total=756 [2023-01-10 13:05:39,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:39,028 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:05:39,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 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 13:05:39,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:39,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:39,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:05:39,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:05:39,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:39,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:05:39,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:39,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:05:39,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:39,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:39,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:39,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:05:39,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:05:39,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:39,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:05:39,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:39,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:05:39,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:39,336 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 13:05:39,528 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 13:05:39,528 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:05:39,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:05:39,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1972089160, now seen corresponding path program 1 times [2023-01-10 13:05:39,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:05:39,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39312987] [2023-01-10 13:05:39,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:05:39,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:05:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:05:40,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1926 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 1475 trivial. 0 not checked. [2023-01-10 13:05:40,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:05:40,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39312987] [2023-01-10 13:05:40,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39312987] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:05:40,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937012005] [2023-01-10 13:05:41,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:05:41,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:05:41,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:05:41,001 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 13:05:41,003 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 13:05:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:05:41,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 26 conjunts are in the unsatisfiable core [2023-01-10 13:05:41,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 13:05:42,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1926 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 1475 trivial. 0 not checked. [2023-01-10 13:05:42,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 13:05:42,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1926 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 1475 trivial. 0 not checked. [2023-01-10 13:05:42,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937012005] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 13:05:42,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 13:05:42,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 54 [2023-01-10 13:05:42,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062532386] [2023-01-10 13:05:42,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 13:05:42,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-01-10 13:05:42,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:05:42,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-01-10 13:05:42,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=610, Invalid=2252, Unknown=0, NotChecked=0, Total=2862 [2023-01-10 13:05:42,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:42,619 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:05:42,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 13.351851851851851) internal successors, (721), 54 states have internal predecessors, (721), 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 13:05:42,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:42,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:42,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:05:42,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:05:42,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:42,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:05:42,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:42,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:05:42,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:42,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:05:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:05:44,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:05:44,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:05:44,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:44,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:05:44,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:44,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:05:44,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:05:44,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:05:44,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-01-10 13:05:44,435 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 13:05:44,436 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:05:44,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:05:44,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1478186266, now seen corresponding path program 2 times [2023-01-10 13:05:44,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:05:44,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586074189] [2023-01-10 13:05:44,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:05:44,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:05:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:06:06,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2484 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 2314 trivial. 0 not checked. [2023-01-10 13:06:06,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:06:06,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586074189] [2023-01-10 13:06:06,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586074189] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:06:06,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603306868] [2023-01-10 13:06:06,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-10 13:06:06,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:06:06,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:06:06,202 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 13:06:06,207 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 13:06:07,233 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-10 13:06:07,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 13:06:07,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 2152 conjuncts, 87 conjunts are in the unsatisfiable core [2023-01-10 13:06:07,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 13:06:15,871 INFO L321 Elim1Store]: treesize reduction 3, result has 95.1 percent of original size [2023-01-10 13:06:15,872 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 58 treesize of output 95 [2023-01-10 13:06:16,104 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 13:06:16,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 171 treesize of output 591 [2023-01-10 13:06:16,512 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 13:06:16,513 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 53 treesize of output 61 [2023-01-10 13:06:16,553 INFO L321 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2023-01-10 13:06:16,553 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 58 treesize of output 38 [2023-01-10 13:06:16,572 INFO L321 Elim1Store]: treesize reduction 480, result has 0.2 percent of original size [2023-01-10 13:06:16,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 171 treesize of output 111 [2023-01-10 13:06:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2484 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 2393 trivial. 0 not checked. [2023-01-10 13:06:16,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 13:06:41,266 WARN L222 SmtUtils]: Spent 20.97s on a formula simplification. DAG size of input: 89 DAG size of output: 76 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-01-10 13:06:57,211 WARN L222 SmtUtils]: Spent 14.02s on a formula simplification. DAG size of input: 124 DAG size of output: 100 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-01-10 13:07:00,444 INFO L321 Elim1Store]: treesize reduction 15, result has 97.9 percent of original size [2023-01-10 13:07:00,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 804 treesize of output 1301 [2023-01-10 13:07:13,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2484 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2478 trivial. 0 not checked. [2023-01-10 13:07:13,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603306868] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 13:07:13,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 13:07:13,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 26, 13] total 58 [2023-01-10 13:07:13,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413769206] [2023-01-10 13:07:13,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 13:07:13,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2023-01-10 13:07:13,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:07:13,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2023-01-10 13:07:13,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=3069, Unknown=0, NotChecked=0, Total=3306 [2023-01-10 13:07:13,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:13,798 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:07:13,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 22.17241379310345) internal successors, (1286), 58 states have internal predecessors, (1286), 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 13:07:13,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:13,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:07:13,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:07:13,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:07:13,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:13,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:07:13,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:13,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:07:13,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:13,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:07:13,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:22,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:22,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:07:22,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:07:22,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:07:22,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:22,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:07:22,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:22,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:07:22,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:22,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:07:22,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-01-10 13:07:22,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-01-10 13:07:22,836 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 13:07:22,836 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:07:22,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:07:22,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1197839057, now seen corresponding path program 3 times [2023-01-10 13:07:22,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:07:22,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726380437] [2023-01-10 13:07:22,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:07:22,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:07:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:07:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2490 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2480 trivial. 0 not checked. [2023-01-10 13:07:31,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:07:31,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726380437] [2023-01-10 13:07:31,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726380437] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:07:31,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815588447] [2023-01-10 13:07:31,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-10 13:07:31,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:07:31,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:07:31,649 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 13:07:31,651 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 13:07:32,689 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-01-10 13:07:32,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 13:07:32,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 56 conjunts are in the unsatisfiable core [2023-01-10 13:07:32,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 13:07:35,939 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 13:07:35,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 235 treesize of output 295 [2023-01-10 13:07:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2490 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2478 trivial. 0 not checked. [2023-01-10 13:07:36,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 13:07:37,769 INFO L321 Elim1Store]: treesize reduction 5, result has 86.5 percent of original size [2023-01-10 13:07:37,770 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 589 treesize of output 500 [2023-01-10 13:07:38,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2490 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2478 trivial. 0 not checked. [2023-01-10 13:07:38,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815588447] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 13:07:38,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 13:07:38,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 11] total 28 [2023-01-10 13:07:38,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472056582] [2023-01-10 13:07:38,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 13:07:38,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-01-10 13:07:38,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:07:38,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-01-10 13:07:38,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=649, Unknown=0, NotChecked=0, Total=756 [2023-01-10 13:07:38,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:38,261 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:07:38,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 33.035714285714285) internal successors, (925), 28 states have internal predecessors, (925), 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 13:07:38,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:38,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:07:38,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:07:38,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:07:38,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:38,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:07:38,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:38,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:07:38,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:38,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:07:38,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-01-10 13:07:38,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:07:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:07:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:07:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:07:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:07:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:07:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-01-10 13:07:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-01-10 13:07:41,804 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 13:07:41,993 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 13:07:41,993 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:07:41,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:07:41,994 INFO L85 PathProgramCache]: Analyzing trace with hash 2042686236, now seen corresponding path program 1 times [2023-01-10 13:07:41,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:07:41,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727184531] [2023-01-10 13:07:41,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:07:41,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:07:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:07:43,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2482 trivial. 0 not checked. [2023-01-10 13:07:43,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:07:43,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727184531] [2023-01-10 13:07:43,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727184531] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:07:43,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:07:43,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-01-10 13:07:43,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323491209] [2023-01-10 13:07:43,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:07:43,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-01-10 13:07:43,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:07:43,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-01-10 13:07:43,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-01-10 13:07:43,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:43,765 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:07:43,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 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 13:07:43,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:43,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:07:43,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:07:43,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:07:43,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:43,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:07:43,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:43,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:07:43,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:43,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:07:43,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-01-10 13:07:43,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-01-10 13:07:43,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:44,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:44,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:07:44,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:07:44,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:07:44,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:44,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:07:44,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:44,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:07:44,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:44,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:07:44,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-01-10 13:07:44,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-01-10 13:07:44,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-10 13:07:44,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-01-10 13:07:44,166 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:07:44,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:07:44,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1112509368, now seen corresponding path program 1 times [2023-01-10 13:07:44,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:07:44,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641250693] [2023-01-10 13:07:44,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:07:44,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:07:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:07:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2482 trivial. 0 not checked. [2023-01-10 13:07:44,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:07:44,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641250693] [2023-01-10 13:07:44,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641250693] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:07:44,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:07:44,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-10 13:07:44,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789881083] [2023-01-10 13:07:44,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:07:44,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 13:07:44,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:07:44,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 13:07:44,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 13:07:44,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:44,730 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:07:44,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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 13:07:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:07:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:07:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:07:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:07:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:07:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:07:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-01-10 13:07:44,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-01-10 13:07:44,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-01-10 13:07:44,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:07:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:07:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:07:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:07:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:07:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:07:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-01-10 13:07:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-01-10 13:07:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-10 13:07:45,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:45,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-01-10 13:07:45,118 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:07:45,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:07:45,119 INFO L85 PathProgramCache]: Analyzing trace with hash 169918672, now seen corresponding path program 1 times [2023-01-10 13:07:45,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:07:45,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694497709] [2023-01-10 13:07:45,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:07:45,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:07:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:07:48,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2484 trivial. 0 not checked. [2023-01-10 13:07:48,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:07:48,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694497709] [2023-01-10 13:07:48,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694497709] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:07:48,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:07:48,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-01-10 13:07:48,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573337210] [2023-01-10 13:07:48,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:07:48,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-01-10 13:07:48,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:07:48,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-01-10 13:07:48,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-01-10 13:07:48,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:48,812 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:07:48,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 106.2) internal successors, (531), 5 states have internal predecessors, (531), 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 13:07:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:07:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:07:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:07:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:07:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:07:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:07:48,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-01-10 13:07:48,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-01-10 13:07:48,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-01-10 13:07:48,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:48,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:50,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:07:50,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:07:50,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:07:50,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:07:50,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:50,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:07:50,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:50,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:07:50,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:50,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:07:50,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-01-10 13:07:50,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:07:50,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-10 13:07:50,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:50,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:07:50,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-01-10 13:07:50,162 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:07:50,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:07:50,163 INFO L85 PathProgramCache]: Analyzing trace with hash 2115510397, now seen corresponding path program 4 times [2023-01-10 13:07:50,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:07:50,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144772793] [2023-01-10 13:07:50,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:07:50,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:07:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:07:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2490 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2480 trivial. 0 not checked. [2023-01-10 13:07:58,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:07:58,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144772793] [2023-01-10 13:07:58,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144772793] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:07:58,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890487840] [2023-01-10 13:07:58,418 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-10 13:07:58,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:07:58,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:07:58,419 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 13:07:58,420 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 13:10:15,804 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-10 13:10:15,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 13:10:15,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 2171 conjuncts, 77 conjunts are in the unsatisfiable core [2023-01-10 13:10:15,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 13:10:19,308 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 13:10:19,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 241 treesize of output 317 [2023-01-10 13:10:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2490 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 2449 trivial. 0 not checked. [2023-01-10 13:10:19,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 13:10:20,945 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 13:10:20,945 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 589 treesize of output 505 [2023-01-10 13:10:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2490 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 2478 trivial. 0 not checked. [2023-01-10 13:10:21,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890487840] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 13:10:21,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 13:10:21,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 23, 11] total 39 [2023-01-10 13:10:21,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589262848] [2023-01-10 13:10:21,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 13:10:21,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-01-10 13:10:21,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:10:21,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-01-10 13:10:21,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=1343, Unknown=0, NotChecked=0, Total=1482 [2023-01-10 13:10:21,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:10:21,502 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:10:21,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 32.30769230769231) internal successors, (1260), 39 states have internal predecessors, (1260), 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 13:10:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:10:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:10:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:10:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:10:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:10:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:10:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:10:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-01-10 13:10:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:10:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-01-10 13:10:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:10:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:10:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:10:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:10:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:10:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:10:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:10:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:10:27,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-01-10 13:10:27,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-01-10 13:10:27,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-10 13:10:27,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:27,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:27,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-01-10 13:10:27,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-01-10 13:10:27,397 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,SelfDestructingSolverStorable15 [2023-01-10 13:10:27,398 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:10:27,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:10:27,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1046256355, now seen corresponding path program 1 times [2023-01-10 13:10:27,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:10:27,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979450160] [2023-01-10 13:10:27,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:10:27,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:10:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:10:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2482 trivial. 0 not checked. [2023-01-10 13:10:29,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:10:29,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979450160] [2023-01-10 13:10:29,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979450160] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:10:29,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:10:29,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-01-10 13:10:29,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425039704] [2023-01-10 13:10:29,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:10:29,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-01-10 13:10:29,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:10:29,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-01-10 13:10:29,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-01-10 13:10:29,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:10:29,189 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:10:29,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 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 13:10:29,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:10:29,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:10:29,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:10:29,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:10:29,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:29,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:10:29,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:29,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:10:29,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:29,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:10:29,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-01-10 13:10:29,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-01-10 13:10:29,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-01-10 13:10:29,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:29,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:29,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-01-10 13:10:29,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:10:29,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:10:29,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:10:29,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:10:29,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:10:29,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:29,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:10:29,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:29,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:10:29,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:29,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:10:29,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-01-10 13:10:29,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-01-10 13:10:29,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-10 13:10:29,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:29,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:29,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-01-10 13:10:29,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-10 13:10:29,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-01-10 13:10:29,885 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:10:29,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:10:29,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1432891647, now seen corresponding path program 1 times [2023-01-10 13:10:29,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:10:29,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343729850] [2023-01-10 13:10:29,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:10:29,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:10:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:10:32,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2480 trivial. 0 not checked. [2023-01-10 13:10:32,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:10:32,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343729850] [2023-01-10 13:10:32,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343729850] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:10:32,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:10:32,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-01-10 13:10:32,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567179378] [2023-01-10 13:10:32,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:10:32,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-01-10 13:10:32,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:10:32,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-01-10 13:10:32,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-01-10 13:10:32,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:10:32,399 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:10:32,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 73.85714285714286) internal successors, (517), 7 states have internal predecessors, (517), 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 13:10:32,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:10:32,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:10:32,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:10:32,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:10:32,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:32,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:10:32,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:32,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:10:32,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:32,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:10:32,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-01-10 13:10:32,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-01-10 13:10:32,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-01-10 13:10:32,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:32,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:32,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-01-10 13:10:32,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-01-10 13:10:32,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:10:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:10:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:10:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:10:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:10:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:10:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:10:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:10:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-01-10 13:10:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-01-10 13:10:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-10 13:10:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:10:36,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-01-10 13:10:36,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-10 13:10:36,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-01-10 13:10:36,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-01-10 13:10:36,675 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:10:36,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:10:36,676 INFO L85 PathProgramCache]: Analyzing trace with hash 383080175, now seen corresponding path program 5 times [2023-01-10 13:10:36,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:10:36,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434619524] [2023-01-10 13:10:36,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:10:36,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:10:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:10:53,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2490 backedges. 2 proven. 174 refuted. 0 times theorem prover too weak. 2314 trivial. 0 not checked. [2023-01-10 13:10:53,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:10:53,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434619524] [2023-01-10 13:10:53,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434619524] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:10:53,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86542561] [2023-01-10 13:10:53,439 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-10 13:10:53,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:10:53,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:10:53,440 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 13:10:53,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process Received shutdown request... [2023-01-10 13:19:07,435 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-10 13:19:07,435 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 13:19:07,435 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 13:19:08,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-01-10 13:19:08,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-01-10 13:19:08,636 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forcibly destroying the process [2023-01-10 13:19:08,661 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-01-10 13:19:08,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-01-10 13:19:08,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2023-01-10 13:19:08,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240093] [2023-01-10 13:19:08,661 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-01-10 13:19:08,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-01-10 13:19:08,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:19:08,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-01-10 13:19:08,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 137 [2023-01-10 13:19:08,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1055, Unknown=0, NotChecked=0, Total=1190 [2023-01-10 13:19:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:19:08,665 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:19:08,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 15.6) internal successors, (546), 35 states have internal predecessors, (546), 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 13:19:08,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:19:08,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-01-10 13:19:08,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 13:19:08,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-01-10 13:19:08,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:19:08,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-01-10 13:19:08,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:19:08,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-01-10 13:19:08,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:19:08,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:19:08,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-01-10 13:19:08,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-01-10 13:19:08,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-01-10 13:19:08,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:19:08,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 13:19:08,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-01-10 13:19:08,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-01-10 13:19:08,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-01-10 13:19:08,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:19:08,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-01-10 13:19:08,667 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-01-10 13:19:08,680 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-01-10 13:19:08,702 INFO L445 BasicCegarLoop]: Path program histogram: [5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-10 13:19:08,703 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2023-01-10 13:19:08,704 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-10 13:19:08,704 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-10 13:19:08,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 01:19:08 BasicIcfg [2023-01-10 13:19:08,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-10 13:19:08,707 INFO L158 Benchmark]: Toolchain (without parser) took 831543.93ms. Allocated memory was 291.5MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 242.0MB in the beginning and 815.1MB in the end (delta: -573.0MB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2023-01-10 13:19:08,707 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 181.4MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-01-10 13:19:08,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.17ms. Allocated memory is still 291.5MB. Free memory was 241.5MB in the beginning and 216.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-01-10 13:19:08,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.26ms. Allocated memory is still 291.5MB. Free memory was 216.3MB in the beginning and 204.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-01-10 13:19:08,707 INFO L158 Benchmark]: Boogie Preprocessor took 144.92ms. Allocated memory is still 291.5MB. Free memory was 204.8MB in the beginning and 193.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-01-10 13:19:08,707 INFO L158 Benchmark]: RCFGBuilder took 3302.03ms. Allocated memory was 291.5MB in the beginning and 411.0MB in the end (delta: 119.5MB). Free memory was 193.8MB in the beginning and 129.6MB in the end (delta: 64.2MB). Peak memory consumption was 207.3MB. Max. memory is 8.0GB. [2023-01-10 13:19:08,708 INFO L158 Benchmark]: TraceAbstraction took 827671.85ms. Allocated memory was 411.0MB in the beginning and 2.4GB in the end (delta: 2.0GB). Free memory was 129.0MB in the beginning and 815.1MB in the end (delta: -686.0MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-01-10 13:19:08,709 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 181.4MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 337.17ms. Allocated memory is still 291.5MB. Free memory was 241.5MB in the beginning and 216.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 82.26ms. Allocated memory is still 291.5MB. Free memory was 216.3MB in the beginning and 204.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 144.92ms. Allocated memory is still 291.5MB. Free memory was 204.8MB in the beginning and 193.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * RCFGBuilder took 3302.03ms. Allocated memory was 291.5MB in the beginning and 411.0MB in the end (delta: 119.5MB). Free memory was 193.8MB in the beginning and 129.6MB in the end (delta: 64.2MB). Peak memory consumption was 207.3MB. Max. memory is 8.0GB. * TraceAbstraction took 827671.85ms. Allocated memory was 411.0MB in the beginning and 2.4GB in the end (delta: 2.0GB). Free memory was 129.0MB in the beginning and 815.1MB in the end (delta: -686.0MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 279794, independent: 253050, independent conditional: 253050, independent unconditional: 0, dependent: 26744, dependent conditional: 26744, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 253050, independent: 253050, independent conditional: 253050, 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: 253050, independent: 253050, independent conditional: 253050, 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: 253050, independent: 253050, independent conditional: 0, independent unconditional: 253050, 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: 253050, independent: 253050, independent conditional: 0, independent unconditional: 253050, 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: 253050, independent: 253050, independent conditional: 0, independent unconditional: 253050, 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: 3905, independent: 3905, independent conditional: 0, independent unconditional: 3905, 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: 3905, independent: 3905, independent conditional: 0, independent unconditional: 3905, 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: 253050, independent: 249145, independent conditional: 0, independent unconditional: 249145, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3905, unknown conditional: 0, unknown unconditional: 3905] , Statistics on independence cache: Total cache size (in pairs): 3905, Positive cache size: 3905, Positive conditional cache size: 0, Positive unconditional cache size: 3905, 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: 26744 - StatisticsResult: Traversal Statistics Data States: 530, Transitions: 541, Traversal time: 96166335.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 530, Transitions: 566, Traversal time: 42774981.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 572, Transitions: 608, Traversal time: 226724660.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 614, Transitions: 650, Traversal time: 167453741.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 734, Transitions: 770, Traversal time: 629728888.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 4970, Transitions: 5947, Traversal time: 516315045.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 92 - StatisticsResult: Traversal Statistics Data States: 5114, Transitions: 6091, Traversal time: 1108697375.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 92 - StatisticsResult: Traversal Statistics Data States: 5762, Transitions: 6884, Traversal time: 221809452.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 106 - StatisticsResult: Traversal Statistics Data States: 5906, Transitions: 7028, Traversal time: 1280311098.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 106 - StatisticsResult: Traversal Statistics Data States: 6548, Transitions: 7883, Traversal time: 196976171.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 106 - StatisticsResult: Traversal Statistics Data States: 6596, Transitions: 7931, Traversal time: 1511287659.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 106 - StatisticsResult: Traversal Statistics Data States: 6599, Transitions: 7936, Traversal time: 8305257670.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 106 - StatisticsResult: Traversal Statistics Data States: 6639, Transitions: 7982, Traversal time: 3416377909.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 110 - StatisticsResult: Traversal Statistics Data States: 7038, Transitions: 8354, Traversal time: 268130365.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 178 - StatisticsResult: Traversal Statistics Data States: 7680, Transitions: 9209, Traversal time: 221849556.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 178 - StatisticsResult: Traversal Statistics Data States: 6260, Transitions: 7325, Traversal time: 1072321182.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 178 - StatisticsResult: Traversal Statistics Data States: 7569, Transitions: 8900, Traversal time: 5115913518.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 228 - StatisticsResult: Traversal Statistics Data States: 7474, Transitions: 8787, Traversal time: 525128899.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 222 - StatisticsResult: Traversal Statistics Data States: 30194, Transitions: 35783, Traversal time: 2563859220.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 1196 - StatisticsResult: Traversal Statistics Data States: 1, Transitions: 0, Traversal time: 247601.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - TimeoutResultAtElement [Line: 344]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 789 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 827248193577.0ns, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 31821607196.0ns, FeasibilityCheckTime: 793044912059.0ns, RefinementTime: 43089998.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 18145027.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30711 SdHoareTripleChecker+Valid, 13332949425.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30711 mSDsluCounter, 76601 SdHoareTripleChecker+Invalid, 11430905727.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 65554 mSDsCounter, 1264 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25592 IncrementalHoareTripleChecker+Invalid, 26856 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1264 mSolverCounterUnsat, 11047 mSDtfsCounter, 25592 mSolverCounterSat, 221497336.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 330, 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: 1382472074.0ns SsaConstructionTime, 149516641054.0ns SatisfiabilityAnalysisTime, 141504998886.0ns InterpolantComputationTime, 25809 NumberOfCodeBlocks, 24069 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 32044 ConstructedInterpolants, 93 QuantifiedInterpolants, 99551 SizeOfPredicates, 320 NumberOfNonLiveVariables, 16396 ConjunctsInSsa, 292 ConjunctsInUnsatCore, 37 InterpolantComputations, 11 PerfectInterpolantSequences, 49942/52718 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