/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.number.of.independence.relations.to.use.for.por 2 --traceabstraction.abstraction.used.for.commutativity.in.por VARIABLES_GLOBAL '--traceabstraction.abstraction.used.for.commutativity.in.por.#2' NONE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 12:55:53,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 12:55:53,498 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-01-26 12:55:53,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 12:55:53,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 12:55:53,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 12:55:53,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 12:55:53,532 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 12:55:53,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 12:55:53,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 12:55:53,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 12:55:53,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 12:55:53,538 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 12:55:53,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 12:55:53,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 12:55:53,539 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 12:55:53,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 12:55:53,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 12:55:53,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 12:55:53,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 12:55:53,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 12:55:53,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 12:55:53,540 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 12:55:53,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 12:55:53,542 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 12:55:53,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 12:55:53,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 12:55:53,542 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 12:55:53,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 12:55:53,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 12:55:53,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 12:55:53,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 12:55:53,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 12:55:53,544 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 12:55:53,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 12:55:53,544 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 12:55:53,544 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 12:55:53,544 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 12:55:53,544 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-01-26 12:55:53,544 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Number of independence relations to use for POR -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR -> VARIABLES_GLOBAL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR #2 -> NONE [2024-01-26 12:55:53,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 12:55:53,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 12:55:53,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 12:55:53,745 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 12:55:53,749 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 12:55:53,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c [2024-01-26 12:55:54,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 12:55:54,922 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 12:55:54,925 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c [2024-01-26 12:55:54,930 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d0d66edbf/93e520289ba54223935f743bfa6c1c30/FLAG6b42f836f [2024-01-26 12:55:54,940 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d0d66edbf/93e520289ba54223935f743bfa6c1c30 [2024-01-26 12:55:54,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 12:55:54,944 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 12:55:54,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 12:55:54,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 12:55:54,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 12:55:54,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 12:55:54" (1/1) ... [2024-01-26 12:55:54,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ee547a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:54, skipping insertion in model container [2024-01-26 12:55:54,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 12:55:54" (1/1) ... [2024-01-26 12:55:54,965 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 12:55:55,125 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c[2676,2689] [2024-01-26 12:55:55,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 12:55:55,153 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 12:55:55,182 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c[2676,2689] [2024-01-26 12:55:55,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 12:55:55,197 INFO L206 MainTranslator]: Completed translation [2024-01-26 12:55:55,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:55 WrapperNode [2024-01-26 12:55:55,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 12:55:55,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 12:55:55,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 12:55:55,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 12:55:55,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:55" (1/1) ... [2024-01-26 12:55:55,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:55" (1/1) ... [2024-01-26 12:55:55,243 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 149 [2024-01-26 12:55:55,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 12:55:55,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 12:55:55,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 12:55:55,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 12:55:55,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:55" (1/1) ... [2024-01-26 12:55:55,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:55" (1/1) ... [2024-01-26 12:55:55,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:55" (1/1) ... [2024-01-26 12:55:55,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:55" (1/1) ... [2024-01-26 12:55:55,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:55" (1/1) ... [2024-01-26 12:55:55,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:55" (1/1) ... [2024-01-26 12:55:55,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:55" (1/1) ... [2024-01-26 12:55:55,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:55" (1/1) ... [2024-01-26 12:55:55,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 12:55:55,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 12:55:55,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 12:55:55,298 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 12:55:55,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:55" (1/1) ... [2024-01-26 12:55:55,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 12:55:55,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 12:55:55,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-01-26 12:55:55,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-01-26 12:55:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 12:55:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 12:55:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 12:55:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 12:55:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 12:55:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 12:55:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 12:55:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 12:55:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 12:55:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 12:55:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 12:55:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 12:55:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 12:55:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 12:55:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 12:55:55,350 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 12:55:55,426 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 12:55:55,428 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 12:55:55,615 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 12:55:55,680 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 12:55:55,681 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-01-26 12:55:55,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 12:55:55 BoogieIcfgContainer [2024-01-26 12:55:55,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 12:55:55,683 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 12:55:55,683 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 12:55:55,685 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 12:55:55,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 12:55:54" (1/3) ... [2024-01-26 12:55:55,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c822ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 12:55:55, skipping insertion in model container [2024-01-26 12:55:55,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:55" (2/3) ... [2024-01-26 12:55:55,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c822ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 12:55:55, skipping insertion in model container [2024-01-26 12:55:55,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 12:55:55" (3/3) ... [2024-01-26 12:55:55,687 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive-alt.wvr.c [2024-01-26 12:55:55,693 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 12:55:55,700 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 12:55:55,700 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 12:55:55,700 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 12:55:55,766 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-26 12:55:55,802 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 12:55:55,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 12:55:55,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 12:55:55,805 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-01-26 12:55:55,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-01-26 12:55:55,834 INFO L103 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 12:55:55,842 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2024-01-26 12:55:55,842 WARN L169 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2024-01-26 12:55:55,842 WARN L170 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2024-01-26 12:55:55,847 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 12:55:55,853 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=LoopHeads, 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;@5a406742, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 12:55:55,853 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-26 12:55:56,034 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 12:55:56,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 12:55:56,039 INFO L85 PathProgramCache]: Analyzing trace with hash 58815595, now seen corresponding path program 1 times [2024-01-26 12:55:56,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 12:55:56,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392573107] [2024-01-26 12:55:56,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 12:55:56,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 12:55:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 12:55:56,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:55:56,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 12:55:56,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392573107] [2024-01-26 12:55:56,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392573107] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 12:55:56,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 12:55:56,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 12:55:56,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701225949] [2024-01-26 12:55:56,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 12:55:56,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 12:55:56,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 12:55:56,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 12:55:56,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 12:55:56,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:55:56,254 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 12:55:56,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 12:55:56,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:55:56,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:55:56,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 12:55:56,288 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 12:55:56,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 12:55:56,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1672282781, now seen corresponding path program 1 times [2024-01-26 12:55:56,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 12:55:56,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497699304] [2024-01-26 12:55:56,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 12:55:56,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 12:55:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 12:55:56,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:55:56,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 12:55:56,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497699304] [2024-01-26 12:55:56,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497699304] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 12:55:56,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 12:55:56,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-01-26 12:55:56,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720491668] [2024-01-26 12:55:56,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 12:55:56,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-26 12:55:56,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 12:55:56,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-26 12:55:56,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-01-26 12:55:56,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:55:56,670 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 12:55:56,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 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) [2024-01-26 12:55:56,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:55:56,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:55:56,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:55:56,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:55:56,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 12:55:56,810 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 12:55:56,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 12:55:56,810 INFO L85 PathProgramCache]: Analyzing trace with hash 400535848, now seen corresponding path program 1 times [2024-01-26 12:55:56,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 12:55:56,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928035569] [2024-01-26 12:55:56,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 12:55:56,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 12:55:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 12:55:56,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:55:56,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 12:55:56,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928035569] [2024-01-26 12:55:56,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928035569] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 12:55:56,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 12:55:56,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 12:55:56,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884327759] [2024-01-26 12:55:56,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 12:55:56,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 12:55:56,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 12:55:56,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 12:55:56,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 12:55:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:55:56,931 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 12:55:56,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2024-01-26 12:55:56,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:55:56,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:55:56,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:55:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:55:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:55:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:55:57,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-26 12:55:57,045 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 12:55:57,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 12:55:57,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1790043897, now seen corresponding path program 1 times [2024-01-26 12:55:57,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 12:55:57,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635109101] [2024-01-26 12:55:57,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 12:55:57,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 12:55:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 12:55:57,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:55:57,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 12:55:57,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635109101] [2024-01-26 12:55:57,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635109101] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 12:55:57,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 12:55:57,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-01-26 12:55:57,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188916348] [2024-01-26 12:55:57,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 12:55:57,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-26 12:55:57,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 12:55:57,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-26 12:55:57,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-01-26 12:55:57,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:55:57,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 12:55:57,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 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) [2024-01-26 12:55:57,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:55:57,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:55:57,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:55:57,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:55:57,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:55:57,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:55:57,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:55:57,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:55:57,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-26 12:55:57,460 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 12:55:57,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 12:55:57,461 INFO L85 PathProgramCache]: Analyzing trace with hash 274584906, now seen corresponding path program 1 times [2024-01-26 12:55:57,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 12:55:57,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743807624] [2024-01-26 12:55:57,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 12:55:57,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 12:55:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 12:55:58,343 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:55:58,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 12:55:58,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743807624] [2024-01-26 12:55:58,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743807624] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 12:55:58,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738071127] [2024-01-26 12:55:58,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 12:55:58,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 12:55:58,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 12:55:58,348 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 12:55:58,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-01-26 12:55:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 12:55:58,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 45 conjunts are in the unsatisfiable core [2024-01-26 12:55:58,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 12:55:58,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-01-26 12:55:58,550 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-01-26 12:55:58,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-01-26 12:55:58,979 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-01-26 12:55:58,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2024-01-26 12:55:59,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-01-26 12:55:59,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-01-26 12:55:59,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-01-26 12:55:59,748 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:55:59,749 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 12:56:00,961 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 12:56:00,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 51 [2024-01-26 12:56:00,972 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 12:56:00,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 152 treesize of output 144 [2024-01-26 12:56:00,984 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 12:56:00,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 116 [2024-01-26 12:56:00,998 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 12:56:00,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 79 [2024-01-26 12:56:01,202 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 12:56:01,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 50 [2024-01-26 12:56:01,210 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-01-26 12:56:01,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 148 treesize of output 136 [2024-01-26 12:56:01,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-26 12:56:01,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 89 [2024-01-26 12:56:01,227 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-01-26 12:56:01,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 100 [2024-01-26 12:56:04,010 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:56:04,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738071127] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 12:56:04,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 12:56:04,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23, 23] total 56 [2024-01-26 12:56:04,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96686452] [2024-01-26 12:56:04,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 12:56:04,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-01-26 12:56:04,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 12:56:04,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-01-26 12:56:04,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=606, Invalid=2447, Unknown=27, NotChecked=0, Total=3080 [2024-01-26 12:56:04,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:04,015 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 12:56:04,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 5.25) internal successors, (294), 56 states have internal predecessors, (294), 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) [2024-01-26 12:56:04,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:04,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:56:04,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:56:04,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:56:04,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:07,130 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (<= c_~sum~0 0)) (.cse1 (<= 0 (+ c_~sum~0 1))) (.cse14 (* c_~front~0 4)) (.cse15 (* c_~back~0 4))) (let ((.cse2 (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc18#1.base_8| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc18#1.base_8|) 0)) (< |c_#StackHeapBarrier| (+ |v_ULTIMATE.start_create_fresh_int_array_#t~malloc18#1.base_8| 1))))) (.cse5 (+ c_~queue~0.offset .cse15)) (.cse6 (+ c_~queue~0.offset .cse14)) (.cse3 (< c_~n~0 (+ c_~front~0 1))) (.cse9 (and .cse0 .cse1 (= c_~back~0 c_~front~0))) (.cse8 (< c_~front~0 0))) (and (or (and .cse0 (= c_~back~0 0) .cse1) (not (= c_~front~0 0)) .cse2) (= c_~sum~0 1) (or .cse3 (and (forall ((v_ArrVal_69 (Array Int Int))) (let ((.cse4 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_69) c_~queue~0.base))) (or (not (= (select .cse4 .cse5) 1)) (< (+ c_~sum~0 (select .cse4 .cse6)) 2)))) (forall ((v_ArrVal_69 (Array Int Int))) (let ((.cse7 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_69) c_~queue~0.base))) (or (not (= (select .cse7 .cse5) 1)) (< 0 (+ c_~sum~0 (select .cse7 .cse6) 1)))))) .cse8) (or .cse3 (< (+ |c_ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse9 .cse8) (or .cse3 (let ((.cse11 (+ .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse12 (+ .cse14 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (and (forall ((v_ArrVal_68 (Array Int Int)) (v_ArrVal_69 (Array Int Int))) (let ((.cse10 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (select .cse10 .cse11) 1)) (< (+ c_~sum~0 (select .cse10 .cse12)) 2)))) (forall ((v_ArrVal_68 (Array Int Int)) (v_ArrVal_69 (Array Int Int))) (let ((.cse13 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (select .cse13 .cse11) 1)) (< 0 (+ c_~sum~0 (select .cse13 .cse12) 1))))))) .cse8) (or .cse3 (let ((.cse17 (+ .cse14 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse18 (+ .cse15 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (and (forall ((v_ArrVal_68 (Array Int Int)) (v_ArrVal_69 (Array Int Int))) (let ((.cse16 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (< 0 (+ (select .cse16 .cse17) c_~sum~0 1)) (not (= (select .cse16 .cse18) 1))))) (forall ((v_ArrVal_68 (Array Int Int)) (v_ArrVal_69 (Array Int Int))) (let ((.cse19 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (< (+ (select .cse19 .cse17) c_~sum~0) 2) (not (= (select .cse19 .cse18) 1))))))) .cse8) (or .cse3 .cse9 (< 1 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|) .cse2 .cse8) (or .cse3 .cse8 (and (forall ((v_ArrVal_68 (Array Int Int)) (v_ArrVal_69 (Array Int Int))) (let ((.cse20 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_69) c_~queue~0.base))) (or (< (+ c_~sum~0 (select .cse20 .cse6)) 2) (not (= (select .cse20 .cse5) 1))))) (forall ((v_ArrVal_68 (Array Int Int)) (v_ArrVal_69 (Array Int Int))) (let ((.cse21 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_69) c_~queue~0.base))) (or (< 0 (+ c_~sum~0 1 (select .cse21 .cse6))) (not (= (select .cse21 .cse5) 1))))))) (or .cse3 .cse8 (let ((.cse23 (+ .cse14 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse24 (+ .cse15 |c_ULTIMATE.start_main_#t~ret11#1.offset|))) (and (forall ((v_ArrVal_68 (Array Int Int)) (v_ArrVal_69 (Array Int Int))) (let ((.cse22 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_main_#t~ret11#1.base|))) (or (< (+ c_~sum~0 (select .cse22 .cse23)) 2) (not (= (select .cse22 .cse24) 1))))) (forall ((v_ArrVal_68 (Array Int Int)) (v_ArrVal_69 (Array Int Int))) (let ((.cse25 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_main_#t~ret11#1.base|))) (or (< 0 (+ c_~sum~0 (select .cse25 .cse23) 1)) (not (= (select .cse25 .cse24) 1)))))))) (or .cse3 (let ((.cse26 (+ c_~sum~0 (select (select |c_#memory_int| c_~queue~0.base) .cse6)))) (and (<= .cse26 1) (<= 0 .cse26))) .cse8) (or .cse3 (< 1 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse9 .cse8)))) is different from false [2024-01-26 12:56:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:56:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:56:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:56:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:56:07,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-01-26 12:56:08,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 12:56:08,038 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 12:56:08,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 12:56:08,039 INFO L85 PathProgramCache]: Analyzing trace with hash -428883274, now seen corresponding path program 2 times [2024-01-26 12:56:08,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 12:56:08,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770481073] [2024-01-26 12:56:08,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 12:56:08,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 12:56:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 12:56:08,119 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-01-26 12:56:08,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 12:56:08,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770481073] [2024-01-26 12:56:08,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770481073] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 12:56:08,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 12:56:08,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-26 12:56:08,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839300275] [2024-01-26 12:56:08,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 12:56:08,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 12:56:08,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 12:56:08,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 12:56:08,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-26 12:56:08,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:08,122 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 12:56:08,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 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) [2024-01-26 12:56:08,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:08,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:56:08,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:56:08,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:56:08,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:56:08,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:08,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:08,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:56:08,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:56:08,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:56:08,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:56:08,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:56:08,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-26 12:56:08,287 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 12:56:08,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 12:56:08,287 INFO L85 PathProgramCache]: Analyzing trace with hash 992319883, now seen corresponding path program 3 times [2024-01-26 12:56:08,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 12:56:08,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126002361] [2024-01-26 12:56:08,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 12:56:08,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 12:56:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 12:56:08,501 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-01-26 12:56:08,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 12:56:08,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126002361] [2024-01-26 12:56:08,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126002361] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 12:56:08,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 12:56:08,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-26 12:56:08,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255649403] [2024-01-26 12:56:08,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 12:56:08,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 12:56:08,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 12:56:08,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 12:56:08,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-26 12:56:08,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:08,511 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 12:56:08,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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) [2024-01-26 12:56:08,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:08,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:56:08,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:56:08,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:56:08,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:56:08,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:56:08,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:08,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:08,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:56:08,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:56:08,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:56:08,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:56:08,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:56:08,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:56:08,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-26 12:56:08,674 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 12:56:08,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 12:56:08,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1053869653, now seen corresponding path program 1 times [2024-01-26 12:56:08,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 12:56:08,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779402359] [2024-01-26 12:56:08,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 12:56:08,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 12:56:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 12:56:10,284 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:56:10,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 12:56:10,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779402359] [2024-01-26 12:56:10,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779402359] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 12:56:10,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667539294] [2024-01-26 12:56:10,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 12:56:10,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 12:56:10,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 12:56:10,288 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 12:56:10,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-01-26 12:56:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 12:56:10,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 35 conjunts are in the unsatisfiable core [2024-01-26 12:56:10,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 12:56:11,198 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:56:11,198 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 12:56:11,558 INFO L349 Elim1Store]: treesize reduction 10, result has 73.0 percent of original size [2024-01-26 12:56:11,558 INFO L378 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 75 treesize of output 50 [2024-01-26 12:56:12,857 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:56:12,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667539294] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 12:56:12,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 12:56:12,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 17, 17] total 51 [2024-01-26 12:56:12,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021576589] [2024-01-26 12:56:12,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 12:56:12,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-01-26 12:56:12,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 12:56:12,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-01-26 12:56:12,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=2155, Unknown=0, NotChecked=0, Total=2550 [2024-01-26 12:56:12,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:12,860 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 12:56:12,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 7.176470588235294) internal successors, (366), 51 states have internal predecessors, (366), 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) [2024-01-26 12:56:12,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:12,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:56:12,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:56:12,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:56:12,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:56:12,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:56:12,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:56:12,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:16,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:16,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:56:16,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:56:16,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:56:16,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:56:16,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:56:16,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:56:16,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-01-26 12:56:16,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-01-26 12:56:16,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 12:56:16,911 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 12:56:16,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 12:56:16,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1864140564, now seen corresponding path program 2 times [2024-01-26 12:56:16,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 12:56:16,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420362497] [2024-01-26 12:56:16,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 12:56:16,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 12:56:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 12:56:18,830 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:56:18,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 12:56:18,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420362497] [2024-01-26 12:56:18,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420362497] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 12:56:18,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352483978] [2024-01-26 12:56:18,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 12:56:18,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 12:56:18,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 12:56:18,832 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 12:56:18,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-01-26 12:56:18,929 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 12:56:18,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 12:56:18,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 53 conjunts are in the unsatisfiable core [2024-01-26 12:56:18,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 12:56:20,459 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:56:20,459 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 12:56:21,112 INFO L349 Elim1Store]: treesize reduction 30, result has 64.7 percent of original size [2024-01-26 12:56:21,113 INFO L378 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 108 treesize of output 84 [2024-01-26 12:56:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:56:22,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352483978] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 12:56:22,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 12:56:22,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27, 22] total 66 [2024-01-26 12:56:22,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269650473] [2024-01-26 12:56:22,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 12:56:22,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-01-26 12:56:22,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 12:56:22,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-01-26 12:56:22,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=776, Invalid=3514, Unknown=0, NotChecked=0, Total=4290 [2024-01-26 12:56:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:22,406 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 12:56:22,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 6.454545454545454) internal successors, (426), 66 states have internal predecessors, (426), 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) [2024-01-26 12:56:22,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:22,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:56:22,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:56:22,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:56:22,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:56:22,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:56:22,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:56:22,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-01-26 12:56:22,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:28,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:28,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:56:28,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:56:28,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:56:28,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:56:28,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:56:28,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:56:28,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-01-26 12:56:28,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-01-26 12:56:28,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-01-26 12:56:28,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 12:56:28,855 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 12:56:28,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 12:56:28,855 INFO L85 PathProgramCache]: Analyzing trace with hash -97184947, now seen corresponding path program 3 times [2024-01-26 12:56:28,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 12:56:28,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067968467] [2024-01-26 12:56:28,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 12:56:28,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 12:56:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 12:56:31,133 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:56:31,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 12:56:31,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067968467] [2024-01-26 12:56:31,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067968467] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 12:56:31,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539179688] [2024-01-26 12:56:31,134 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 12:56:31,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 12:56:31,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 12:56:31,135 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 12:56:31,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-01-26 12:56:31,443 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-01-26 12:56:31,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 12:56:31,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 66 conjunts are in the unsatisfiable core [2024-01-26 12:56:31,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 12:56:33,180 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 15 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:56:33,180 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 12:56:34,301 INFO L349 Elim1Store]: treesize reduction 60, result has 60.8 percent of original size [2024-01-26 12:56:34,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 143 treesize of output 130 [2024-01-26 12:56:35,741 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:56:35,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539179688] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 12:56:35,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 12:56:35,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30, 25] total 70 [2024-01-26 12:56:35,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460559905] [2024-01-26 12:56:35,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 12:56:35,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-01-26 12:56:35,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 12:56:35,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-01-26 12:56:35,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=868, Invalid=3962, Unknown=0, NotChecked=0, Total=4830 [2024-01-26 12:56:35,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:35,745 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 12:56:35,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 6.742857142857143) internal successors, (472), 70 states have internal predecessors, (472), 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) [2024-01-26 12:56:35,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:35,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:56:35,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:56:35,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:56:35,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:56:35,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:56:35,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:56:35,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-01-26 12:56:35,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-01-26 12:56:35,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:52,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:56:52,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:56:52,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:56:52,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:56:52,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:56:52,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:56:52,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:56:52,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-01-26 12:56:52,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-01-26 12:56:52,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2024-01-26 12:56:52,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-01-26 12:56:52,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-01-26 12:56:52,439 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 12:56:52,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 12:56:52,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1439725426, now seen corresponding path program 4 times [2024-01-26 12:56:52,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 12:56:52,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804379314] [2024-01-26 12:56:52,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 12:56:52,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 12:56:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 12:56:55,280 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 44 proven. 215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:56:55,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 12:56:55,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804379314] [2024-01-26 12:56:55,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804379314] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 12:56:55,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621304178] [2024-01-26 12:56:55,280 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-01-26 12:56:55,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 12:56:55,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 12:56:55,281 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 12:56:55,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-01-26 12:56:55,404 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-01-26 12:56:55,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 12:56:55,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 71 conjunts are in the unsatisfiable core [2024-01-26 12:56:55,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 12:56:57,476 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 29 proven. 230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:56:57,477 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 12:56:59,041 INFO L349 Elim1Store]: treesize reduction 100, result has 58.5 percent of original size [2024-01-26 12:56:59,042 INFO L378 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 176 treesize of output 184 [2024-01-26 12:57:00,719 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:57:00,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621304178] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 12:57:00,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 12:57:00,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 30, 30] total 82 [2024-01-26 12:57:00,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848850419] [2024-01-26 12:57:00,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 12:57:00,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-01-26 12:57:00,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 12:57:00,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-01-26 12:57:00,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1247, Invalid=5395, Unknown=0, NotChecked=0, Total=6642 [2024-01-26 12:57:00,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:57:00,724 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 12:57:00,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 6.7560975609756095) internal successors, (554), 82 states have internal predecessors, (554), 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) [2024-01-26 12:57:00,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:57:00,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:57:00,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:57:00,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:57:00,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:57:00,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:57:00,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:57:00,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-01-26 12:57:00,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-01-26 12:57:00,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2024-01-26 12:57:00,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:57:20,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:57:20,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:57:20,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:57:20,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:57:20,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:57:20,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:57:20,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:57:20,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-01-26 12:57:20,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-01-26 12:57:20,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2024-01-26 12:57:20,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-01-26 12:57:20,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-01-26 12:57:20,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 12:57:20,667 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 12:57:20,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 12:57:20,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1718789905, now seen corresponding path program 5 times [2024-01-26 12:57:20,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 12:57:20,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268667518] [2024-01-26 12:57:20,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 12:57:20,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 12:57:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 12:57:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 20 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:57:25,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 12:57:25,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268667518] [2024-01-26 12:57:25,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268667518] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 12:57:25,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674608937] [2024-01-26 12:57:25,174 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-01-26 12:57:25,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 12:57:25,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 12:57:25,175 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 12:57:25,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-01-26 12:57:25,339 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-01-26 12:57:25,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 12:57:25,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 85 conjunts are in the unsatisfiable core [2024-01-26 12:57:25,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 12:57:28,550 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 30 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:57:28,551 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 12:57:30,896 INFO L349 Elim1Store]: treesize reduction 150, result has 57.0 percent of original size [2024-01-26 12:57:30,897 INFO L378 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 211 treesize of output 250 [2024-01-26 12:57:32,907 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:57:32,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674608937] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 12:57:32,907 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 12:57:32,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 38, 33] total 104 [2024-01-26 12:57:32,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948998701] [2024-01-26 12:57:32,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 12:57:32,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2024-01-26 12:57:32,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 12:57:32,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2024-01-26 12:57:32,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1490, Invalid=9222, Unknown=0, NotChecked=0, Total=10712 [2024-01-26 12:57:32,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:57:32,912 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 12:57:32,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 6.288461538461538) internal successors, (654), 104 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) [2024-01-26 12:57:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:57:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:57:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:57:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:57:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:57:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:57:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:57:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-01-26 12:57:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-01-26 12:57:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2024-01-26 12:57:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2024-01-26 12:57:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:58:34,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:58:34,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:58:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:58:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:58:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:58:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:58:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:58:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-01-26 12:58:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-01-26 12:58:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2024-01-26 12:58:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-01-26 12:58:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 477 states. [2024-01-26 12:58:34,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-01-26 12:58:34,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-01-26 12:58:34,502 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 12:58:34,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 12:58:34,503 INFO L85 PathProgramCache]: Analyzing trace with hash -212204496, now seen corresponding path program 6 times [2024-01-26 12:58:34,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 12:58:34,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892780669] [2024-01-26 12:58:34,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 12:58:34,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 12:58:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 12:58:39,060 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 154 proven. 373 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 12:58:39,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 12:58:39,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892780669] [2024-01-26 12:58:39,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892780669] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 12:58:39,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144464283] [2024-01-26 12:58:39,060 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-01-26 12:58:39,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 12:58:39,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 12:58:39,061 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 12:58:39,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-01-26 12:58:40,057 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-01-26 12:58:40,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 12:58:40,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 86 conjunts are in the unsatisfiable core [2024-01-26 12:58:40,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 12:58:42,119 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 138 proven. 387 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-26 12:58:42,120 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 12:58:45,294 INFO L349 Elim1Store]: treesize reduction 210, result has 56.0 percent of original size [2024-01-26 12:58:45,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 244 treesize of output 324 [2024-01-26 12:58:46,385 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-01-26 12:58:46,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144464283] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 12:58:46,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 12:58:46,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 33, 20] total 86 [2024-01-26 12:58:46,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872132435] [2024-01-26 12:58:46,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 12:58:46,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-01-26 12:58:46,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 12:58:46,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-01-26 12:58:46,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=811, Invalid=6499, Unknown=0, NotChecked=0, Total=7310 [2024-01-26 12:58:46,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:58:46,389 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 12:58:46,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 7.732558139534884) internal successors, (665), 86 states have internal predecessors, (665), 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) [2024-01-26 12:58:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:58:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:58:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:58:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:58:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:58:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:58:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:58:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-01-26 12:58:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-01-26 12:58:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2024-01-26 12:58:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2024-01-26 12:58:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 477 states. [2024-01-26 12:58:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:59:36,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:59:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:59:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:59:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:59:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:59:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:59:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:59:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-01-26 12:59:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-01-26 12:59:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2024-01-26 12:59:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-01-26 12:59:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 477 states. [2024-01-26 12:59:36,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 414 states. [2024-01-26 12:59:36,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-01-26 12:59:36,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 12:59:36,383 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 12:59:36,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 12:59:36,383 INFO L85 PathProgramCache]: Analyzing trace with hash 352187110, now seen corresponding path program 7 times [2024-01-26 12:59:36,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 12:59:36,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691466687] [2024-01-26 12:59:36,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 12:59:36,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 12:59:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 12:59:37,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 542 proven. 494 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-01-26 12:59:37,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 12:59:37,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691466687] [2024-01-26 12:59:37,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691466687] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 12:59:37,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893057494] [2024-01-26 12:59:37,146 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-01-26 12:59:37,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 12:59:37,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 12:59:37,157 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 12:59:37,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-01-26 12:59:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 12:59:37,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 30 conjunts are in the unsatisfiable core [2024-01-26 12:59:37,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 12:59:38,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 816 proven. 232 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-01-26 12:59:38,401 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 12:59:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 410 proven. 638 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-01-26 12:59:39,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893057494] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 12:59:39,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 12:59:39,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 82 [2024-01-26 12:59:39,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153850797] [2024-01-26 12:59:39,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 12:59:39,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-01-26 12:59:39,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 12:59:39,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-01-26 12:59:39,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1015, Invalid=5627, Unknown=0, NotChecked=0, Total=6642 [2024-01-26 12:59:39,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:59:39,427 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 12:59:39,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 8.646341463414634) internal successors, (709), 82 states have internal predecessors, (709), 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) [2024-01-26 12:59:39,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:59:39,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:59:39,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:59:39,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:59:39,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:59:39,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:59:39,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:59:39,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-01-26 12:59:39,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-01-26 12:59:39,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2024-01-26 12:59:39,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2024-01-26 12:59:39,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 477 states. [2024-01-26 12:59:39,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 414 states. [2024-01-26 12:59:39,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:59:46,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:59:46,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:59:46,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:59:46,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:59:46,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:59:46,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:59:46,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:59:46,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-01-26 12:59:46,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-01-26 12:59:46,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2024-01-26 12:59:46,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-01-26 12:59:46,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 477 states. [2024-01-26 12:59:46,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 414 states. [2024-01-26 12:59:46,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-01-26 12:59:46,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-01-26 12:59:47,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-01-26 12:59:47,079 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 12:59:47,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 12:59:47,080 INFO L85 PathProgramCache]: Analyzing trace with hash 153294263, now seen corresponding path program 8 times [2024-01-26 12:59:47,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 12:59:47,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985369737] [2024-01-26 12:59:47,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 12:59:47,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 12:59:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 12:59:48,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 677 proven. 438 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-01-26 12:59:48,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 12:59:48,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985369737] [2024-01-26 12:59:48,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985369737] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 12:59:48,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188498222] [2024-01-26 12:59:48,172 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 12:59:48,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 12:59:48,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 12:59:48,173 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 12:59:48,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-01-26 12:59:48,314 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 12:59:48,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 12:59:48,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 33 conjunts are in the unsatisfiable core [2024-01-26 12:59:48,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 12:59:49,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 818 proven. 297 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-01-26 12:59:49,418 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 12:59:50,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 645 proven. 470 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-01-26 12:59:50,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188498222] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 12:59:50,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 12:59:50,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 91 [2024-01-26 12:59:50,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051020600] [2024-01-26 12:59:50,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 12:59:50,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-01-26 12:59:50,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 12:59:50,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-01-26 12:59:50,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1237, Invalid=6953, Unknown=0, NotChecked=0, Total=8190 [2024-01-26 12:59:50,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:59:50,745 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 12:59:50,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 8.241758241758241) internal successors, (750), 91 states have internal predecessors, (750), 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) [2024-01-26 12:59:50,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:59:50,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:59:50,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:59:50,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:59:50,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:59:50,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:59:50,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:59:50,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-01-26 12:59:50,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-01-26 12:59:50,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2024-01-26 12:59:50,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2024-01-26 12:59:50,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 477 states. [2024-01-26 12:59:50,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 414 states. [2024-01-26 12:59:50,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-01-26 12:59:50,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:59:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 12:59:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 12:59:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 12:59:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 12:59:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 12:59:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:59:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 12:59:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-01-26 12:59:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-01-26 12:59:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2024-01-26 12:59:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-01-26 12:59:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 477 states. [2024-01-26 12:59:59,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 414 states. [2024-01-26 12:59:59,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-01-26 12:59:59,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-01-26 12:59:59,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-01-26 12:59:59,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-01-26 12:59:59,498 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 12:59:59,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 12:59:59,499 INFO L85 PathProgramCache]: Analyzing trace with hash 719640456, now seen corresponding path program 9 times [2024-01-26 12:59:59,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 12:59:59,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407593952] [2024-01-26 12:59:59,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 12:59:59,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 12:59:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 13:00:00,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1222 backedges. 690 proven. 529 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-01-26 13:00:00,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 13:00:00,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407593952] [2024-01-26 13:00:00,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407593952] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 13:00:00,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365482572] [2024-01-26 13:00:00,783 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 13:00:00,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 13:00:00,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 13:00:00,785 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 13:00:00,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-01-26 13:00:01,115 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-01-26 13:00:01,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 13:00:01,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 47 conjunts are in the unsatisfiable core [2024-01-26 13:00:01,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 13:00:02,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1222 backedges. 690 proven. 529 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-01-26 13:00:02,948 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 13:00:05,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1222 backedges. 770 proven. 449 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-01-26 13:00:05,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365482572] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 13:00:05,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 13:00:05,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 39] total 112 [2024-01-26 13:00:05,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972340994] [2024-01-26 13:00:05,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 13:00:05,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2024-01-26 13:00:05,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 13:00:05,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2024-01-26 13:00:05,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2130, Invalid=10302, Unknown=0, NotChecked=0, Total=12432 [2024-01-26 13:00:05,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 13:00:05,253 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 13:00:05,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 8.133928571428571) internal successors, (911), 112 states have internal predecessors, (911), 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) [2024-01-26 13:00:05,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 13:00:05,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 13:00:05,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 13:00:05,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 13:00:05,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 13:00:05,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 13:00:05,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 13:00:05,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-01-26 13:00:05,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-01-26 13:00:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2024-01-26 13:00:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2024-01-26 13:00:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 477 states. [2024-01-26 13:00:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 414 states. [2024-01-26 13:00:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-01-26 13:00:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-01-26 13:00:05,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 13:00:17,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 13:00:17,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 13:00:17,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 13:00:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 13:00:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 13:00:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 13:00:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 13:00:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-01-26 13:00:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-01-26 13:00:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2024-01-26 13:00:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-01-26 13:00:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 477 states. [2024-01-26 13:00:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 414 states. [2024-01-26 13:00:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-01-26 13:00:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-01-26 13:00:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-01-26 13:00:17,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-01-26 13:00:18,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 13:00:18,117 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 13:00:18,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 13:00:18,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1623967655, now seen corresponding path program 10 times [2024-01-26 13:00:18,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 13:00:18,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501823083] [2024-01-26 13:00:18,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 13:00:18,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 13:00:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 13:00:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 438 proven. 865 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 13:00:30,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 13:00:30,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501823083] [2024-01-26 13:00:30,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501823083] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 13:00:30,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841349728] [2024-01-26 13:00:30,766 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-01-26 13:00:30,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 13:00:30,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 13:00:30,767 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 13:00:30,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-01-26 13:00:30,948 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-01-26 13:00:30,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 13:00:30,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 132 conjunts are in the unsatisfiable core [2024-01-26 13:00:30,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 13:00:38,438 INFO L349 Elim1Store]: treesize reduction 96, result has 3.0 percent of original size [2024-01-26 13:00:38,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 143 treesize of output 49 [2024-01-26 13:00:38,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 64 proven. 1239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 13:00:38,461 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 13:00:47,139 INFO L349 Elim1Store]: treesize reduction 536, result has 49.9 percent of original size [2024-01-26 13:00:47,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 346 treesize of output 612 [2024-01-26 13:00:52,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 7 proven. 1296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 13:00:52,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841349728] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 13:00:52,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 13:00:52,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 54, 54] total 158 [2024-01-26 13:00:52,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054775800] [2024-01-26 13:00:52,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 13:00:52,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 158 states [2024-01-26 13:00:52,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 13:00:52,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2024-01-26 13:00:52,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2987, Invalid=21819, Unknown=0, NotChecked=0, Total=24806 [2024-01-26 13:00:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 13:00:52,951 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 13:00:52,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 158 states, 158 states have (on average 6.272151898734177) internal successors, (991), 158 states have internal predecessors, (991), 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) [2024-01-26 13:00:52,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 13:00:52,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 13:00:52,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 13:00:52,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 13:00:52,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 13:00:52,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 13:00:52,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 13:00:52,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-01-26 13:00:52,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-01-26 13:00:52,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2024-01-26 13:00:52,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2024-01-26 13:00:52,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 477 states. [2024-01-26 13:00:52,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 414 states. [2024-01-26 13:00:52,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-01-26 13:00:52,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-01-26 13:00:52,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-01-26 13:00:52,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 13:03:13,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 13:03:13,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 13:03:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 13:03:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 13:03:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 13:03:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 13:03:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 13:03:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-01-26 13:03:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-01-26 13:03:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2024-01-26 13:03:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-01-26 13:03:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 477 states. [2024-01-26 13:03:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 419 states. [2024-01-26 13:03:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-01-26 13:03:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-01-26 13:03:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-01-26 13:03:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 763 states. [2024-01-26 13:03:13,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-01-26 13:03:13,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-01-26 13:03:13,208 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 13:03:13,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 13:03:13,208 INFO L85 PathProgramCache]: Analyzing trace with hash 167917610, now seen corresponding path program 11 times [2024-01-26 13:03:13,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 13:03:13,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924326342] [2024-01-26 13:03:13,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 13:03:13,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 13:03:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 13:03:32,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1392 backedges. 141 proven. 1251 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 13:03:32,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 13:03:32,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924326342] [2024-01-26 13:03:32,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924326342] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 13:03:32,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125014233] [2024-01-26 13:03:32,308 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-01-26 13:03:32,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 13:03:32,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 13:03:32,309 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 13:03:32,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-01-26 13:03:32,577 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-01-26 13:03:32,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 13:03:32,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 127 conjunts are in the unsatisfiable core [2024-01-26 13:03:32,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 13:03:38,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1392 backedges. 248 proven. 1142 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-26 13:03:38,287 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 13:03:43,745 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 13:03:43,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 347 treesize of output 1060 [2024-01-26 13:03:46,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1392 backedges. 23 proven. 829 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-01-26 13:03:46,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125014233] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 13:03:46,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 13:03:46,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 48, 25] total 126 [2024-01-26 13:03:46,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497032724] [2024-01-26 13:03:46,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 13:03:46,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2024-01-26 13:03:46,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 13:03:46,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2024-01-26 13:03:46,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=882, Invalid=14868, Unknown=0, NotChecked=0, Total=15750 [2024-01-26 13:03:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 13:03:46,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 13:03:46,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 7.341269841269841) internal successors, (925), 126 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) [2024-01-26 13:03:46,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 13:03:46,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 13:03:46,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 13:03:46,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 13:03:46,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 13:03:46,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 13:03:46,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 13:03:46,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-01-26 13:03:46,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-01-26 13:03:46,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2024-01-26 13:03:46,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2024-01-26 13:03:46,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 477 states. [2024-01-26 13:03:46,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 419 states. [2024-01-26 13:03:46,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-01-26 13:03:46,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-01-26 13:03:46,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-01-26 13:03:46,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 763 states. [2024-01-26 13:03:46,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 13:05:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 13:05:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 13:05:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 13:05:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 13:05:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 13:05:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 13:05:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 13:05:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-01-26 13:05:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-01-26 13:05:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2024-01-26 13:05:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-01-26 13:05:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 477 states. [2024-01-26 13:05:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 419 states. [2024-01-26 13:05:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-01-26 13:05:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-01-26 13:05:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-01-26 13:05:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 763 states. [2024-01-26 13:05:05,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2024-01-26 13:05:05,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-01-26 13:05:05,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-01-26 13:05:05,409 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 13:05:05,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 13:05:05,409 INFO L85 PathProgramCache]: Analyzing trace with hash -159676650, now seen corresponding path program 12 times [2024-01-26 13:05:05,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 13:05:05,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061906188] [2024-01-26 13:05:05,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 13:05:05,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 13:05:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat