/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/nested3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05ce600 [2022-02-23 21:22:46,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-23 21:22:46,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-23 21:22:46,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-23 21:22:46,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-23 21:22:46,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-23 21:22:46,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-23 21:22:46,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-23 21:22:46,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-23 21:22:46,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-23 21:22:46,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-23 21:22:46,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-23 21:22:46,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-23 21:22:46,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-23 21:22:46,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-23 21:22:46,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-23 21:22:46,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-23 21:22:46,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-23 21:22:46,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-23 21:22:46,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-23 21:22:46,675 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-02-23 21:22:46,695 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-23 21:22:46,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-23 21:22:46,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-23 21:22:46,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-23 21:22:46,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-23 21:22:46,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-23 21:22:46,697 INFO L138 SettingsManager]: * Use SBE=true [2022-02-23 21:22:46,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-23 21:22:46,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-23 21:22:46,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-23 21:22:46,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-23 21:22:46,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-23 21:22:46,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-23 21:22:46,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-23 21:22:46,698 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-23 21:22:46,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-23 21:22:46,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-23 21:22:46,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-23 21:22:46,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-23 21:22:46,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-23 21:22:46,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-23 21:22:46,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-23 21:22:46,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-23 21:22:46,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-23 21:22:46,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-23 21:22:46,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-23 21:22:46,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-02-23 21:22:46,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-23 21:22:46,700 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-23 21:22:46,700 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-23 21:22:46,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-23 21:22:46,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-23 21:22:46,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-23 21:22:46,942 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-23 21:22:46,942 INFO L275 PluginConnector]: CDTParser initialized [2022-02-23 21:22:46,943 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested3-1.c [2022-02-23 21:22:47,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61553b4f3/1286e562b1ce47a0996dae6ed5fa47cd/FLAG05f091b06 [2022-02-23 21:22:47,396 INFO L306 CDTParser]: Found 1 translation units. [2022-02-23 21:22:47,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-1.c [2022-02-23 21:22:47,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61553b4f3/1286e562b1ce47a0996dae6ed5fa47cd/FLAG05f091b06 [2022-02-23 21:22:47,821 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61553b4f3/1286e562b1ce47a0996dae6ed5fa47cd [2022-02-23 21:22:47,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-23 21:22:47,824 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-23 21:22:47,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-23 21:22:47,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-23 21:22:47,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-23 21:22:47,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 09:22:47" (1/1) ... [2022-02-23 21:22:47,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1975fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:22:47, skipping insertion in model container [2022-02-23 21:22:47,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 09:22:47" (1/1) ... [2022-02-23 21:22:47,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-23 21:22:47,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-23 21:22:47,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-1.c[321,334] [2022-02-23 21:22:48,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-23 21:22:48,029 INFO L203 MainTranslator]: Completed pre-run [2022-02-23 21:22:48,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-1.c[321,334] [2022-02-23 21:22:48,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-23 21:22:48,062 INFO L208 MainTranslator]: Completed translation [2022-02-23 21:22:48,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:22:48 WrapperNode [2022-02-23 21:22:48,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-23 21:22:48,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-23 21:22:48,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-23 21:22:48,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-23 21:22:48,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:22:48" (1/1) ... [2022-02-23 21:22:48,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:22:48" (1/1) ... [2022-02-23 21:22:48,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:22:48" (1/1) ... [2022-02-23 21:22:48,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:22:48" (1/1) ... [2022-02-23 21:22:48,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:22:48" (1/1) ... [2022-02-23 21:22:48,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:22:48" (1/1) ... [2022-02-23 21:22:48,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:22:48" (1/1) ... [2022-02-23 21:22:48,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-23 21:22:48,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-23 21:22:48,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-23 21:22:48,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-23 21:22:48,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:22:48" (1/1) ... [2022-02-23 21:22:48,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-23 21:22:48,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 21:22:48,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-23 21:22:48,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-23 21:22:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-23 21:22:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-23 21:22:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-23 21:22:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-23 21:22:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-23 21:22:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-23 21:22:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-23 21:22:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-23 21:22:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-23 21:22:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-23 21:22:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-23 21:22:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-23 21:22:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-23 21:22:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-23 21:22:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-23 21:22:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-23 21:22:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-23 21:22:48,213 INFO L234 CfgBuilder]: Building ICFG [2022-02-23 21:22:48,215 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-23 21:22:48,364 INFO L275 CfgBuilder]: Performing block encoding [2022-02-23 21:22:48,373 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-23 21:22:48,373 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-23 21:22:48,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 09:22:48 BoogieIcfgContainer [2022-02-23 21:22:48,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-23 21:22:48,376 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-23 21:22:48,376 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-23 21:22:48,383 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-23 21:22:48,398 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 09:22:48" (1/1) ... [2022-02-23 21:22:48,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.02 09:22:48 BasicIcfg [2022-02-23 21:22:48,527 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-02-23 21:22:48,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-23 21:22:48,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-23 21:22:48,535 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-23 21:22:48,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 09:22:47" (1/4) ... [2022-02-23 21:22:48,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62637255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 09:22:48, skipping insertion in model container [2022-02-23 21:22:48,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:22:48" (2/4) ... [2022-02-23 21:22:48,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62637255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 09:22:48, skipping insertion in model container [2022-02-23 21:22:48,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 09:22:48" (3/4) ... [2022-02-23 21:22:48,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62637255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 09:22:48, skipping insertion in model container [2022-02-23 21:22:48,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.02 09:22:48" (4/4) ... [2022-02-23 21:22:48,537 INFO L111 eAbstractionObserver]: Analyzing ICFG nested3-1.cqvasr [2022-02-23 21:22:48,541 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-23 21:22:48,541 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-23 21:22:48,576 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-23 21:22:48,582 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-23 21:22:48,582 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-23 21:22:48,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-23 21:22:48,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-02-23 21:22:48,597 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 21:22:48,598 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 21:22:48,598 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 21:22:48,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 21:22:48,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1301415802, now seen corresponding path program 1 times [2022-02-23 21:22:48,609 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 21:22:48,609 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009688371] [2022-02-23 21:22:48,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 21:22:48,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 21:22:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:48,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 21:22:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-23 21:22:48,747 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 21:22:48,747 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009688371] [2022-02-23 21:22:48,748 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009688371] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 21:22:48,748 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 21:22:48,748 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-23 21:22:48,749 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605542821] [2022-02-23 21:22:48,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 21:22:48,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-23 21:22:48,754 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 21:22:48,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-23 21:22:48,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-23 21:22:48,780 INFO L87 Difference]: Start difference. First operand has 25 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 21:22:48,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 21:22:48,838 INFO L93 Difference]: Finished difference Result 44 states and 63 transitions. [2022-02-23 21:22:48,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-23 21:22:48,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-02-23 21:22:48,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 21:22:48,846 INFO L225 Difference]: With dead ends: 44 [2022-02-23 21:22:48,847 INFO L226 Difference]: Without dead ends: 20 [2022-02-23 21:22:48,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-23 21:22:48,853 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 16 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-23 21:22:48,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 28 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-23 21:22:48,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-02-23 21:22:48,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-02-23 21:22:48,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-23 21:22:48,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2022-02-23 21:22:48,890 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 11 [2022-02-23 21:22:48,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 21:22:48,890 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-02-23 21:22:48,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 21:22:48,891 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-02-23 21:22:48,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-02-23 21:22:48,892 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 21:22:48,892 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 21:22:48,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-23 21:22:48,892 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 21:22:48,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 21:22:48,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1302339323, now seen corresponding path program 1 times [2022-02-23 21:22:48,895 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 21:22:48,895 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198230253] [2022-02-23 21:22:48,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 21:22:48,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 21:22:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:49,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 21:22:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:49,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-23 21:22:49,021 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 21:22:49,021 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198230253] [2022-02-23 21:22:49,021 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198230253] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 21:22:49,021 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 21:22:49,021 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 21:22:49,022 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537391531] [2022-02-23 21:22:49,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 21:22:49,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 21:22:49,023 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 21:22:49,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 21:22:49,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 21:22:49,025 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 21:22:49,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 21:22:49,111 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2022-02-23 21:22:49,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 21:22:49,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-02-23 21:22:49,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 21:22:49,112 INFO L225 Difference]: With dead ends: 34 [2022-02-23 21:22:49,113 INFO L226 Difference]: Without dead ends: 27 [2022-02-23 21:22:49,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 21:22:49,114 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 26 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 21:22:49,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 26 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 21:22:49,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-02-23 21:22:49,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2022-02-23 21:22:49,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-23 21:22:49,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2022-02-23 21:22:49,126 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 11 [2022-02-23 21:22:49,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 21:22:49,129 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-02-23 21:22:49,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 21:22:49,132 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-02-23 21:22:49,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-23 21:22:49,132 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 21:22:49,132 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 21:22:49,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-23 21:22:49,133 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 21:22:49,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 21:22:49,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1748313539, now seen corresponding path program 1 times [2022-02-23 21:22:49,134 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 21:22:49,134 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484437827] [2022-02-23 21:22:49,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 21:22:49,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 21:22:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:49,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 21:22:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:49,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-23 21:22:49,224 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 21:22:49,224 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484437827] [2022-02-23 21:22:49,224 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484437827] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 21:22:49,224 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 21:22:49,225 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 21:22:49,225 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570685612] [2022-02-23 21:22:49,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 21:22:49,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 21:22:49,225 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 21:22:49,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 21:22:49,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 21:22:49,226 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 21:22:49,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 21:22:49,296 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2022-02-23 21:22:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 21:22:49,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-02-23 21:22:49,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 21:22:49,297 INFO L225 Difference]: With dead ends: 39 [2022-02-23 21:22:49,297 INFO L226 Difference]: Without dead ends: 25 [2022-02-23 21:22:49,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 21:22:49,299 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 21 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-23 21:22:49,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 26 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-23 21:22:49,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-02-23 21:22:49,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2022-02-23 21:22:49,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-23 21:22:49,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-02-23 21:22:49,320 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 12 [2022-02-23 21:22:49,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 21:22:49,321 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-02-23 21:22:49,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 21:22:49,321 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-02-23 21:22:49,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-02-23 21:22:49,322 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 21:22:49,322 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 21:22:49,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-23 21:22:49,322 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 21:22:49,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 21:22:49,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1606116621, now seen corresponding path program 1 times [2022-02-23 21:22:49,323 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 21:22:49,323 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091647291] [2022-02-23 21:22:49,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 21:22:49,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 21:22:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:49,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 21:22:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:49,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-23 21:22:49,368 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 21:22:49,368 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091647291] [2022-02-23 21:22:49,369 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091647291] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 21:22:49,369 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 21:22:49,369 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 21:22:49,369 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918393838] [2022-02-23 21:22:49,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 21:22:49,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 21:22:49,370 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 21:22:49,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 21:22:49,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 21:22:49,371 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 21:22:49,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 21:22:49,407 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2022-02-23 21:22:49,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 21:22:49,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-02-23 21:22:49,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 21:22:49,409 INFO L225 Difference]: With dead ends: 39 [2022-02-23 21:22:49,409 INFO L226 Difference]: Without dead ends: 24 [2022-02-23 21:22:49,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 21:22:49,410 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-23 21:22:49,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 28 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-23 21:22:49,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-02-23 21:22:49,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-02-23 21:22:49,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-23 21:22:49,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-02-23 21:22:49,416 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 13 [2022-02-23 21:22:49,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 21:22:49,416 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-02-23 21:22:49,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 21:22:49,416 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-02-23 21:22:49,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-02-23 21:22:49,417 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 21:22:49,417 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 21:22:49,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-23 21:22:49,417 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 21:22:49,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 21:22:49,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1773342651, now seen corresponding path program 1 times [2022-02-23 21:22:49,418 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 21:22:49,418 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372681363] [2022-02-23 21:22:49,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 21:22:49,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 21:22:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:49,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 21:22:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:49,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-23 21:22:49,573 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 21:22:49,573 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372681363] [2022-02-23 21:22:49,573 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372681363] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 21:22:49,573 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 21:22:49,573 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-23 21:22:49,574 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609878551] [2022-02-23 21:22:49,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 21:22:49,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-23 21:22:49,574 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 21:22:49,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-23 21:22:49,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-23 21:22:49,575 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 21:22:49,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 21:22:49,714 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2022-02-23 21:22:49,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-23 21:22:49,714 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-02-23 21:22:49,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 21:22:49,715 INFO L225 Difference]: With dead ends: 30 [2022-02-23 21:22:49,715 INFO L226 Difference]: Without dead ends: 28 [2022-02-23 21:22:49,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-23 21:22:49,716 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 28 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 21:22:49,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 42 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 21:22:49,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-02-23 21:22:49,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-02-23 21:22:49,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-23 21:22:49,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-02-23 21:22:49,725 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 14 [2022-02-23 21:22:49,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 21:22:49,725 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-02-23 21:22:49,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 21:22:49,725 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-02-23 21:22:49,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-23 21:22:49,726 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 21:22:49,726 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 21:22:49,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-23 21:22:49,726 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 21:22:49,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 21:22:49,727 INFO L85 PathProgramCache]: Analyzing trace with hash 259423101, now seen corresponding path program 1 times [2022-02-23 21:22:49,727 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 21:22:49,727 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339885555] [2022-02-23 21:22:49,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 21:22:49,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 21:22:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:49,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 21:22:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:49,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-23 21:22:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:49,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-23 21:22:49,788 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 21:22:49,788 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339885555] [2022-02-23 21:22:49,788 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339885555] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 21:22:49,788 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290019569] [2022-02-23 21:22:49,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 21:22:49,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 21:22:49,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 21:22:49,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 21:22:49,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-23 21:22:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:49,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-23 21:22:49,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 21:22:49,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-23 21:22:49,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 21:22:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-23 21:22:50,008 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290019569] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-23 21:22:50,008 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-23 21:22:50,008 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 10 [2022-02-23 21:22:50,008 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386951912] [2022-02-23 21:22:50,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-23 21:22:50,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-23 21:22:50,009 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 21:22:50,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-23 21:22:50,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-02-23 21:22:50,010 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 8 states have internal predecessors, (26), 6 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-23 21:22:50,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 21:22:50,240 INFO L93 Difference]: Finished difference Result 69 states and 85 transitions. [2022-02-23 21:22:50,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-23 21:22:50,241 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 8 states have internal predecessors, (26), 6 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 21 [2022-02-23 21:22:50,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 21:22:50,242 INFO L225 Difference]: With dead ends: 69 [2022-02-23 21:22:50,242 INFO L226 Difference]: Without dead ends: 49 [2022-02-23 21:22:50,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2022-02-23 21:22:50,243 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 52 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 21:22:50,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 53 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 21:22:50,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-02-23 21:22:50,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 42. [2022-02-23 21:22:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 31 states have internal predecessors, (36), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-23 21:22:50,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2022-02-23 21:22:50,254 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 21 [2022-02-23 21:22:50,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 21:22:50,254 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2022-02-23 21:22:50,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 8 states have internal predecessors, (26), 6 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-23 21:22:50,255 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-02-23 21:22:50,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-23 21:22:50,255 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 21:22:50,255 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 21:22:50,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-23 21:22:50,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-02-23 21:22:50,478 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 21:22:50,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 21:22:50,478 INFO L85 PathProgramCache]: Analyzing trace with hash -515836157, now seen corresponding path program 2 times [2022-02-23 21:22:50,478 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 21:22:50,478 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879428024] [2022-02-23 21:22:50,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 21:22:50,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 21:22:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:50,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 21:22:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:50,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-23 21:22:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:50,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-23 21:22:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:50,573 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-23 21:22:50,573 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 21:22:50,573 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879428024] [2022-02-23 21:22:50,573 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879428024] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 21:22:50,573 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940893846] [2022-02-23 21:22:50,573 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-23 21:22:50,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 21:22:50,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 21:22:50,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 21:22:50,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-23 21:22:50,626 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-23 21:22:50,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-23 21:22:50,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-23 21:22:50,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 21:22:50,716 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-23 21:22:50,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 21:22:50,810 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-23 21:22:50,811 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940893846] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-23 21:22:50,811 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-23 21:22:50,811 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2022-02-23 21:22:50,811 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14383977] [2022-02-23 21:22:50,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-23 21:22:50,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-23 21:22:50,812 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 21:22:50,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-23 21:22:50,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-02-23 21:22:50,812 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-23 21:22:51,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 21:22:51,038 INFO L93 Difference]: Finished difference Result 97 states and 125 transitions. [2022-02-23 21:22:51,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-23 21:22:51,038 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 30 [2022-02-23 21:22:51,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 21:22:51,040 INFO L225 Difference]: With dead ends: 97 [2022-02-23 21:22:51,040 INFO L226 Difference]: Without dead ends: 62 [2022-02-23 21:22:51,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-02-23 21:22:51,042 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 51 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 21:22:51,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 40 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 21:22:51,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-02-23 21:22:51,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-02-23 21:22:51,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 47 states have internal predecessors, (56), 12 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-02-23 21:22:51,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2022-02-23 21:22:51,059 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 30 [2022-02-23 21:22:51,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 21:22:51,059 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-02-23 21:22:51,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-23 21:22:51,059 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2022-02-23 21:22:51,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-23 21:22:51,061 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 21:22:51,061 INFO L514 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 21:22:51,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-23 21:22:51,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-02-23 21:22:51,285 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 21:22:51,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 21:22:51,285 INFO L85 PathProgramCache]: Analyzing trace with hash -820041341, now seen corresponding path program 3 times [2022-02-23 21:22:51,285 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 21:22:51,285 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394470682] [2022-02-23 21:22:51,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 21:22:51,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 21:22:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:51,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 21:22:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:51,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-23 21:22:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:51,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-23 21:22:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:51,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-23 21:22:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:51,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-23 21:22:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:51,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-23 21:22:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:51,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-23 21:22:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 12 proven. 111 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-23 21:22:51,497 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 21:22:51,497 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394470682] [2022-02-23 21:22:51,497 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394470682] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 21:22:51,497 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206470955] [2022-02-23 21:22:51,497 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-23 21:22:51,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 21:22:51,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 21:22:51,504 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 21:22:51,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-23 21:22:51,571 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-02-23 21:22:51,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-23 21:22:51,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-23 21:22:51,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 21:22:51,873 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-02-23 21:22:51,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-23 21:22:51,874 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206470955] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 21:22:51,874 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-23 21:22:51,874 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2022-02-23 21:22:51,874 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761409292] [2022-02-23 21:22:51,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 21:22:51,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-23 21:22:51,874 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 21:22:51,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-23 21:22:51,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2022-02-23 21:22:51,875 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-23 21:22:52,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 21:22:52,017 INFO L93 Difference]: Finished difference Result 68 states and 83 transitions. [2022-02-23 21:22:52,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-23 21:22:52,017 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 66 [2022-02-23 21:22:52,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 21:22:52,018 INFO L225 Difference]: With dead ends: 68 [2022-02-23 21:22:52,018 INFO L226 Difference]: Without dead ends: 64 [2022-02-23 21:22:52,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2022-02-23 21:22:52,019 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 13 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 21:22:52,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 96 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 21:22:52,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-02-23 21:22:52,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 54. [2022-02-23 21:22:52,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 10 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-23 21:22:52,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2022-02-23 21:22:52,036 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 66 [2022-02-23 21:22:52,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 21:22:52,036 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2022-02-23 21:22:52,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-23 21:22:52,037 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-02-23 21:22:52,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-02-23 21:22:52,038 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 21:22:52,038 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 21:22:52,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-23 21:22:52,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 21:22:52,243 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 21:22:52,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 21:22:52,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1241135261, now seen corresponding path program 1 times [2022-02-23 21:22:52,244 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 21:22:52,244 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537771303] [2022-02-23 21:22:52,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 21:22:52,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 21:22:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:52,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 21:22:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:52,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-23 21:22:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:52,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-23 21:22:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:52,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-23 21:22:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:52,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-23 21:22:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:52,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-23 21:22:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:52,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-23 21:22:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:52,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-02-23 21:22:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:52,401 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 15 proven. 111 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-02-23 21:22:52,401 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 21:22:52,401 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537771303] [2022-02-23 21:22:52,401 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537771303] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 21:22:52,401 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284107037] [2022-02-23 21:22:52,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 21:22:52,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 21:22:52,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 21:22:52,404 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 21:22:52,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-23 21:22:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:52,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-23 21:22:52,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 21:22:52,627 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 14 proven. 42 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-02-23 21:22:52,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 21:22:52,863 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-02-23 21:22:52,863 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284107037] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-23 21:22:52,863 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-23 21:22:52,863 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 18 [2022-02-23 21:22:52,863 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379084580] [2022-02-23 21:22:52,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-23 21:22:52,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-23 21:22:52,864 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 21:22:52,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-23 21:22:52,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-02-23 21:22:52,865 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand has 18 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 12 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-23 21:22:54,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 21:22:54,166 INFO L93 Difference]: Finished difference Result 239 states and 328 transitions. [2022-02-23 21:22:54,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-23 21:22:54,166 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 12 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) Word has length 73 [2022-02-23 21:22:54,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 21:22:54,168 INFO L225 Difference]: With dead ends: 239 [2022-02-23 21:22:54,168 INFO L226 Difference]: Without dead ends: 192 [2022-02-23 21:22:54,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=520, Invalid=2030, Unknown=0, NotChecked=0, Total=2550 [2022-02-23 21:22:54,170 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 421 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 1321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 305 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-23 21:22:54,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [421 Valid, 93 Invalid, 1321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [305 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-23 21:22:54,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-02-23 21:22:54,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 176. [2022-02-23 21:22:54,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 137 states have (on average 1.2408759124087592) internal successors, (170), 137 states have internal predecessors, (170), 35 states have call successors, (35), 5 states have call predecessors, (35), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-02-23 21:22:54,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 238 transitions. [2022-02-23 21:22:54,222 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 238 transitions. Word has length 73 [2022-02-23 21:22:54,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 21:22:54,222 INFO L470 AbstractCegarLoop]: Abstraction has 176 states and 238 transitions. [2022-02-23 21:22:54,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 12 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-23 21:22:54,222 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 238 transitions. [2022-02-23 21:22:54,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-02-23 21:22:54,226 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 21:22:54,226 INFO L514 BasicCegarLoop]: trace histogram [33, 32, 32, 28, 28, 28, 28, 28, 28, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 21:22:54,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-23 21:22:54,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 21:22:54,439 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 21:22:54,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 21:22:54,440 INFO L85 PathProgramCache]: Analyzing trace with hash 827581691, now seen corresponding path program 2 times [2022-02-23 21:22:54,440 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 21:22:54,440 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108210643] [2022-02-23 21:22:54,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 21:22:54,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 21:22:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 21:22:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-23 21:22:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-23 21:22:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-23 21:22:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-23 21:22:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-23 21:22:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-23 21:22:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-02-23 21:22:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-02-23 21:22:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-02-23 21:22:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-02-23 21:22:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-02-23 21:22:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-02-23 21:22:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-02-23 21:22:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-02-23 21:22:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-02-23 21:22:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-02-23 21:22:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-02-23 21:22:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-02-23 21:22:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-02-23 21:22:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-02-23 21:22:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-02-23 21:22:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-02-23 21:22:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-02-23 21:22:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-02-23 21:22:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-02-23 21:22:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-02-23 21:22:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-02-23 21:22:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-02-23 21:22:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-02-23 21:22:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-02-23 21:22:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-02-23 21:22:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-02-23 21:22:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:22:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 1142 proven. 154 refuted. 0 times theorem prover too weak. 3566 trivial. 0 not checked. [2022-02-23 21:22:54,759 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 21:22:54,759 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108210643] [2022-02-23 21:22:54,759 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108210643] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 21:22:54,759 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899181918] [2022-02-23 21:22:54,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-23 21:22:54,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 21:22:54,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 21:22:54,760 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 21:22:54,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-23 21:22:54,878 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-23 21:22:54,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-23 21:22:54,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-23 21:22:54,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 21:22:55,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 64 proven. 2303 refuted. 0 times theorem prover too weak. 2495 trivial. 0 not checked. [2022-02-23 21:22:55,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 21:22:56,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 151 proven. 2216 refuted. 0 times theorem prover too weak. 2495 trivial. 0 not checked. [2022-02-23 21:22:56,372 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899181918] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-23 21:22:56,372 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-23 21:22:56,372 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 31 [2022-02-23 21:22:56,372 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032413941] [2022-02-23 21:22:56,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-23 21:22:56,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-23 21:22:56,373 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 21:22:56,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-23 21:22:56,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=744, Unknown=0, NotChecked=0, Total=930 [2022-02-23 21:22:56,375 INFO L87 Difference]: Start difference. First operand 176 states and 238 transitions. Second operand has 31 states, 31 states have (on average 4.580645161290323) internal successors, (142), 30 states have internal predecessors, (142), 25 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 25 states have call predecessors, (34), 25 states have call successors, (34) [2022-02-23 21:23:03,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 21:23:03,507 INFO L93 Difference]: Finished difference Result 633 states and 894 transitions. [2022-02-23 21:23:03,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-02-23 21:23:03,508 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 4.580645161290323) internal successors, (142), 30 states have internal predecessors, (142), 25 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 25 states have call predecessors, (34), 25 states have call successors, (34) Word has length 295 [2022-02-23 21:23:03,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 21:23:03,511 INFO L225 Difference]: With dead ends: 633 [2022-02-23 21:23:03,511 INFO L226 Difference]: Without dead ends: 500 [2022-02-23 21:23:03,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 638 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5322 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=2534, Invalid=12966, Unknown=0, NotChecked=0, Total=15500 [2022-02-23 21:23:03,517 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 1079 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 4145 mSolverCounterSat, 794 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 4939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 794 IncrementalHoareTripleChecker+Valid, 4145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-02-23 21:23:03,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1079 Valid, 170 Invalid, 4939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [794 Valid, 4145 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-02-23 21:23:03,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2022-02-23 21:23:03,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 460. [2022-02-23 21:23:03,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 363 states have (on average 1.2506887052341598) internal successors, (454), 363 states have internal predecessors, (454), 93 states have call successors, (93), 5 states have call predecessors, (93), 3 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2022-02-23 21:23:03,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 638 transitions. [2022-02-23 21:23:03,630 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 638 transitions. Word has length 295 [2022-02-23 21:23:03,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 21:23:03,631 INFO L470 AbstractCegarLoop]: Abstraction has 460 states and 638 transitions. [2022-02-23 21:23:03,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.580645161290323) internal successors, (142), 30 states have internal predecessors, (142), 25 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 25 states have call predecessors, (34), 25 states have call successors, (34) [2022-02-23 21:23:03,631 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 638 transitions. [2022-02-23 21:23:03,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2022-02-23 21:23:03,652 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 21:23:03,653 INFO L514 BasicCegarLoop]: trace histogram [91, 90, 90, 80, 80, 80, 80, 80, 80, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 21:23:03,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-23 21:23:03,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-23 21:23:03,868 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 21:23:03,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 21:23:03,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1825980721, now seen corresponding path program 3 times [2022-02-23 21:23:03,868 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 21:23:03,868 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414608324] [2022-02-23 21:23:03,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 21:23:03,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 21:23:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 21:23:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-23 21:23:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-23 21:23:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-23 21:23:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-23 21:23:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-23 21:23:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-23 21:23:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-02-23 21:23:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-02-23 21:23:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-02-23 21:23:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-02-23 21:23:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-02-23 21:23:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-02-23 21:23:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-02-23 21:23:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-02-23 21:23:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-02-23 21:23:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-02-23 21:23:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-02-23 21:23:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-02-23 21:23:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-02-23 21:23:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-02-23 21:23:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-02-23 21:23:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-02-23 21:23:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-02-23 21:23:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-02-23 21:23:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-02-23 21:23:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-02-23 21:23:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-02-23 21:23:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-02-23 21:23:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-02-23 21:23:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-02-23 21:23:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-02-23 21:23:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-02-23 21:23:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-02-23 21:23:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-02-23 21:23:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-02-23 21:23:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-02-23 21:23:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-02-23 21:23:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-02-23 21:23:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-02-23 21:23:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-02-23 21:23:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-02-23 21:23:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-02-23 21:23:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-02-23 21:23:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-02-23 21:23:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-02-23 21:23:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-02-23 21:23:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-02-23 21:23:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-02-23 21:23:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-02-23 21:23:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-02-23 21:23:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-02-23 21:23:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-02-23 21:23:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-02-23 21:23:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-02-23 21:23:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-02-23 21:23:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-02-23 21:23:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-02-23 21:23:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-02-23 21:23:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-02-23 21:23:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-02-23 21:23:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-02-23 21:23:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-02-23 21:23:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-02-23 21:23:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-02-23 21:23:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-02-23 21:23:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2022-02-23 21:23:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-02-23 21:23:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-02-23 21:23:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2022-02-23 21:23:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2022-02-23 21:23:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2022-02-23 21:23:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2022-02-23 21:23:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2022-02-23 21:23:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-02-23 21:23:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-02-23 21:23:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2022-02-23 21:23:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-02-23 21:23:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2022-02-23 21:23:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2022-02-23 21:23:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2022-02-23 21:23:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2022-02-23 21:23:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 730 [2022-02-23 21:23:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 739 [2022-02-23 21:23:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 748 [2022-02-23 21:23:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 757 [2022-02-23 21:23:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 766 [2022-02-23 21:23:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 775 [2022-02-23 21:23:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 784 [2022-02-23 21:23:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 793 [2022-02-23 21:23:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-02-23 21:23:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:04,693 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4375 proven. 204 refuted. 0 times theorem prover too weak. 34811 trivial. 0 not checked. [2022-02-23 21:23:04,693 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 21:23:04,693 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414608324] [2022-02-23 21:23:04,693 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414608324] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 21:23:04,693 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673591918] [2022-02-23 21:23:04,694 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-23 21:23:04,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 21:23:04,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 21:23:04,696 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 21:23:04,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-23 21:23:05,620 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2022-02-23 21:23:05,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-23 21:23:05,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-23 21:23:05,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 21:23:06,764 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4660 proven. 204 refuted. 0 times theorem prover too weak. 34526 trivial. 0 not checked. [2022-02-23 21:23:06,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 21:23:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4660 proven. 116 refuted. 0 times theorem prover too weak. 34614 trivial. 0 not checked. [2022-02-23 21:23:07,914 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673591918] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-23 21:23:07,914 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-23 21:23:07,914 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 6] total 18 [2022-02-23 21:23:07,915 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514833037] [2022-02-23 21:23:07,915 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-23 21:23:07,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-23 21:23:07,917 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 21:23:07,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-23 21:23:07,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2022-02-23 21:23:07,918 INFO L87 Difference]: Start difference. First operand 460 states and 638 transitions. Second operand has 18 states, 18 states have (on average 4.222222222222222) internal successors, (76), 17 states have internal predecessors, (76), 13 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 12 states have call predecessors, (17), 13 states have call successors, (17) [2022-02-23 21:23:08,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 21:23:08,582 INFO L93 Difference]: Finished difference Result 1024 states and 1453 transitions. [2022-02-23 21:23:08,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-23 21:23:08,582 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.222222222222222) internal successors, (76), 17 states have internal predecessors, (76), 13 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 12 states have call predecessors, (17), 13 states have call successors, (17) Word has length 811 [2022-02-23 21:23:08,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 21:23:08,588 INFO L225 Difference]: With dead ends: 1024 [2022-02-23 21:23:08,589 INFO L226 Difference]: Without dead ends: 600 [2022-02-23 21:23:08,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1831 GetRequests, 1799 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=850, Unknown=0, NotChecked=0, Total=992 [2022-02-23 21:23:08,592 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 80 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-23 21:23:08,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 81 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-23 21:23:08,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2022-02-23 21:23:08,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 510. [2022-02-23 21:23:08,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 403 states have (on average 1.250620347394541) internal successors, (504), 403 states have internal predecessors, (504), 103 states have call successors, (103), 5 states have call predecessors, (103), 3 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2022-02-23 21:23:08,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 708 transitions. [2022-02-23 21:23:08,733 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 708 transitions. Word has length 811 [2022-02-23 21:23:08,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 21:23:08,734 INFO L470 AbstractCegarLoop]: Abstraction has 510 states and 708 transitions. [2022-02-23 21:23:08,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.222222222222222) internal successors, (76), 17 states have internal predecessors, (76), 13 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 12 states have call predecessors, (17), 13 states have call successors, (17) [2022-02-23 21:23:08,734 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 708 transitions. [2022-02-23 21:23:08,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 902 [2022-02-23 21:23:08,759 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 21:23:08,760 INFO L514 BasicCegarLoop]: trace histogram [101, 100, 100, 90, 90, 90, 90, 90, 90, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 21:23:08,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-23 21:23:08,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 21:23:08,966 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 21:23:08,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 21:23:08,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1728124923, now seen corresponding path program 4 times [2022-02-23 21:23:08,966 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 21:23:08,966 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053988042] [2022-02-23 21:23:08,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 21:23:08,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 21:23:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 21:23:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-23 21:23:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-23 21:23:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-23 21:23:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-23 21:23:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-23 21:23:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-23 21:23:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-02-23 21:23:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-02-23 21:23:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-02-23 21:23:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-02-23 21:23:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-02-23 21:23:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-02-23 21:23:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-02-23 21:23:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-02-23 21:23:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-02-23 21:23:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-02-23 21:23:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-02-23 21:23:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-02-23 21:23:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-02-23 21:23:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-02-23 21:23:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-02-23 21:23:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-02-23 21:23:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-02-23 21:23:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-02-23 21:23:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-02-23 21:23:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-02-23 21:23:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-02-23 21:23:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-02-23 21:23:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-02-23 21:23:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-02-23 21:23:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-02-23 21:23:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-02-23 21:23:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-02-23 21:23:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-02-23 21:23:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-02-23 21:23:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-02-23 21:23:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-02-23 21:23:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-02-23 21:23:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-02-23 21:23:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-02-23 21:23:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-02-23 21:23:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-02-23 21:23:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-02-23 21:23:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-02-23 21:23:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-02-23 21:23:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-02-23 21:23:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-02-23 21:23:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-02-23 21:23:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-02-23 21:23:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-02-23 21:23:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-02-23 21:23:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-02-23 21:23:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-02-23 21:23:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-02-23 21:23:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-02-23 21:23:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-02-23 21:23:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-02-23 21:23:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-02-23 21:23:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-02-23 21:23:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2022-02-23 21:23:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-02-23 21:23:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-02-23 21:23:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-02-23 21:23:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2022-02-23 21:23:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2022-02-23 21:23:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2022-02-23 21:23:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2022-02-23 21:23:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-02-23 21:23:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2022-02-23 21:23:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2022-02-23 21:23:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2022-02-23 21:23:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2022-02-23 21:23:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2022-02-23 21:23:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2022-02-23 21:23:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2022-02-23 21:23:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2022-02-23 21:23:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 687 [2022-02-23 21:23:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 696 [2022-02-23 21:23:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2022-02-23 21:23:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 712 [2022-02-23 21:23:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 722 [2022-02-23 21:23:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2022-02-23 21:23:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 740 [2022-02-23 21:23:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2022-02-23 21:23:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2022-02-23 21:23:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2022-02-23 21:23:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2022-02-23 21:23:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2022-02-23 21:23:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 794 [2022-02-23 21:23:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 801 [2022-02-23 21:23:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 811 [2022-02-23 21:23:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 820 [2022-02-23 21:23:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 829 [2022-02-23 21:23:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 838 [2022-02-23 21:23:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 847 [2022-02-23 21:23:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 856 [2022-02-23 21:23:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 865 [2022-02-23 21:23:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2022-02-23 21:23:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 883 [2022-02-23 21:23:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 890 [2022-02-23 21:23:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:09,773 INFO L134 CoverageAnalysis]: Checked inductivity of 49215 backedges. 5484 proven. 261 refuted. 0 times theorem prover too weak. 43470 trivial. 0 not checked. [2022-02-23 21:23:09,774 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 21:23:09,774 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053988042] [2022-02-23 21:23:09,774 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053988042] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 21:23:09,774 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594500464] [2022-02-23 21:23:09,774 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-23 21:23:09,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 21:23:09,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 21:23:09,775 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 21:23:09,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-23 21:23:10,126 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-23 21:23:10,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-23 21:23:10,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 1917 conjuncts, 21 conjunts are in the unsatisfiable core [2022-02-23 21:23:10,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 21:23:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 49215 backedges. 20338 proven. 261 refuted. 0 times theorem prover too weak. 28616 trivial. 0 not checked. [2022-02-23 21:23:11,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 21:23:12,788 INFO L134 CoverageAnalysis]: Checked inductivity of 49215 backedges. 13744 proven. 261 refuted. 0 times theorem prover too weak. 35210 trivial. 0 not checked. [2022-02-23 21:23:12,788 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594500464] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-23 21:23:12,788 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-23 21:23:12,789 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 24 [2022-02-23 21:23:12,789 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505524446] [2022-02-23 21:23:12,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-23 21:23:12,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-23 21:23:12,790 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 21:23:12,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-23 21:23:12,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2022-02-23 21:23:12,791 INFO L87 Difference]: Start difference. First operand 510 states and 708 transitions. Second operand has 24 states, 24 states have (on average 4.375) internal successors, (105), 23 states have internal predecessors, (105), 20 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (25), 20 states have call predecessors, (25), 20 states have call successors, (25) [2022-02-23 21:23:16,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 21:23:16,532 INFO L93 Difference]: Finished difference Result 1567 states and 2244 transitions. [2022-02-23 21:23:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-23 21:23:16,532 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.375) internal successors, (105), 23 states have internal predecessors, (105), 20 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (25), 20 states have call predecessors, (25), 20 states have call successors, (25) Word has length 901 [2022-02-23 21:23:16,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 21:23:16,537 INFO L225 Difference]: With dead ends: 1567 [2022-02-23 21:23:16,537 INFO L226 Difference]: Without dead ends: 1110 [2022-02-23 21:23:16,539 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2036 GetRequests, 1993 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=545, Invalid=1347, Unknown=0, NotChecked=0, Total=1892 [2022-02-23 21:23:16,539 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 135 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-23 21:23:16,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 89 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-23 21:23:16,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2022-02-23 21:23:16,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2022-02-23 21:23:16,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 883 states have (on average 1.2502831257078142) internal successors, (1104), 883 states have internal predecessors, (1104), 223 states have call successors, (223), 5 states have call predecessors, (223), 3 states have return successors, (221), 221 states have call predecessors, (221), 221 states have call successors, (221) [2022-02-23 21:23:16,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1548 transitions. [2022-02-23 21:23:16,759 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1548 transitions. Word has length 901 [2022-02-23 21:23:16,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 21:23:16,759 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 1548 transitions. [2022-02-23 21:23:16,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.375) internal successors, (105), 23 states have internal predecessors, (105), 20 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (25), 20 states have call predecessors, (25), 20 states have call successors, (25) [2022-02-23 21:23:16,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1548 transitions. [2022-02-23 21:23:16,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1982 [2022-02-23 21:23:16,789 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 21:23:16,790 INFO L514 BasicCegarLoop]: trace histogram [221, 220, 220, 210, 210, 210, 210, 210, 210, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 21:23:16,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-23 21:23:17,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 21:23:17,015 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 21:23:17,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 21:23:17,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1068413947, now seen corresponding path program 5 times [2022-02-23 21:23:17,016 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 21:23:17,016 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621497252] [2022-02-23 21:23:17,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 21:23:17,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 21:23:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:18,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 21:23:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:18,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-23 21:23:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:18,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-23 21:23:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-23 21:23:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-23 21:23:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-23 21:23:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-23 21:23:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-02-23 21:23:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-02-23 21:23:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-02-23 21:23:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-02-23 21:23:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-02-23 21:23:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-02-23 21:23:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-02-23 21:23:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-02-23 21:23:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-02-23 21:23:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-02-23 21:23:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-02-23 21:23:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-02-23 21:23:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-02-23 21:23:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-02-23 21:23:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-02-23 21:23:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-02-23 21:23:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-02-23 21:23:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-02-23 21:23:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-02-23 21:23:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-02-23 21:23:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-02-23 21:23:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-02-23 21:23:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-02-23 21:23:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-02-23 21:23:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-02-23 21:23:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-02-23 21:23:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-02-23 21:23:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-02-23 21:23:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-02-23 21:23:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-02-23 21:23:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-02-23 21:23:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-02-23 21:23:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-02-23 21:23:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-02-23 21:23:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-02-23 21:23:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-02-23 21:23:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-02-23 21:23:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-02-23 21:23:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-02-23 21:23:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-02-23 21:23:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-02-23 21:23:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-02-23 21:23:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-02-23 21:23:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-02-23 21:23:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-02-23 21:23:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-02-23 21:23:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-02-23 21:23:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-02-23 21:23:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-02-23 21:23:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-02-23 21:23:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-02-23 21:23:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-02-23 21:23:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-02-23 21:23:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-02-23 21:23:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2022-02-23 21:23:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-02-23 21:23:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2022-02-23 21:23:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-02-23 21:23:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2022-02-23 21:23:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-02-23 21:23:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-02-23 21:23:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-02-23 21:23:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-02-23 21:23:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-02-23 21:23:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-02-23 21:23:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-02-23 21:23:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-02-23 21:23:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-02-23 21:23:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-02-23 21:23:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-02-23 21:23:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-02-23 21:23:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-02-23 21:23:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-02-23 21:23:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-02-23 21:23:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-02-23 21:23:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-02-23 21:23:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-02-23 21:23:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-02-23 21:23:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-02-23 21:23:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-02-23 21:23:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-02-23 21:23:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 788 [2022-02-23 21:23:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 798 [2022-02-23 21:23:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 807 [2022-02-23 21:23:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 816 [2022-02-23 21:23:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 825 [2022-02-23 21:23:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 834 [2022-02-23 21:23:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2022-02-23 21:23:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 852 [2022-02-23 21:23:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 861 [2022-02-23 21:23:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 870 [2022-02-23 21:23:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 879 [2022-02-23 21:23:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 888 [2022-02-23 21:23:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 897 [2022-02-23 21:23:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 906 [2022-02-23 21:23:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 915 [2022-02-23 21:23:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 924 [2022-02-23 21:23:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 933 [2022-02-23 21:23:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 942 [2022-02-23 21:23:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 951 [2022-02-23 21:23:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2022-02-23 21:23:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 969 [2022-02-23 21:23:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 978 [2022-02-23 21:23:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 985 [2022-02-23 21:23:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 995 [2022-02-23 21:23:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2022-02-23 21:23:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1013 [2022-02-23 21:23:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1022 [2022-02-23 21:23:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1031 [2022-02-23 21:23:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1040 [2022-02-23 21:23:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2022-02-23 21:23:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1058 [2022-02-23 21:23:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1067 [2022-02-23 21:23:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1076 [2022-02-23 21:23:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1085 [2022-02-23 21:23:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2022-02-23 21:23:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1103 [2022-02-23 21:23:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1112 [2022-02-23 21:23:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1121 [2022-02-23 21:23:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1130 [2022-02-23 21:23:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2022-02-23 21:23:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1148 [2022-02-23 21:23:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1157 [2022-02-23 21:23:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1166 [2022-02-23 21:23:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1175 [2022-02-23 21:23:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2022-02-23 21:23:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1192 [2022-02-23 21:23:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1201 [2022-02-23 21:23:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2022-02-23 21:23:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2022-02-23 21:23:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1228 [2022-02-23 21:23:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1237 [2022-02-23 21:23:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1246 [2022-02-23 21:23:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2022-02-23 21:23:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1264 [2022-02-23 21:23:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1273 [2022-02-23 21:23:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1282 [2022-02-23 21:23:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1291 [2022-02-23 21:23:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1300 [2022-02-23 21:23:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1309 [2022-02-23 21:23:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1318 [2022-02-23 21:23:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1327 [2022-02-23 21:23:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1336 [2022-02-23 21:23:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1345 [2022-02-23 21:23:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1354 [2022-02-23 21:23:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1363 [2022-02-23 21:23:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1372 [2022-02-23 21:23:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1379 [2022-02-23 21:23:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1389 [2022-02-23 21:23:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1398 [2022-02-23 21:23:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1407 [2022-02-23 21:23:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1416 [2022-02-23 21:23:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2022-02-23 21:23:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1434 [2022-02-23 21:23:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1443 [2022-02-23 21:23:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1452 [2022-02-23 21:23:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1461 [2022-02-23 21:23:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2022-02-23 21:23:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1479 [2022-02-23 21:23:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1488 [2022-02-23 21:23:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1497 [2022-02-23 21:23:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1506 [2022-02-23 21:23:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2022-02-23 21:23:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1524 [2022-02-23 21:23:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1533 [2022-02-23 21:23:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1542 [2022-02-23 21:23:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1551 [2022-02-23 21:23:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2022-02-23 21:23:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1569 [2022-02-23 21:23:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1576 [2022-02-23 21:23:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1586 [2022-02-23 21:23:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1595 [2022-02-23 21:23:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1604 [2022-02-23 21:23:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1613 [2022-02-23 21:23:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1622 [2022-02-23 21:23:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1631 [2022-02-23 21:23:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1640 [2022-02-23 21:23:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1649 [2022-02-23 21:23:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1658 [2022-02-23 21:23:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1667 [2022-02-23 21:23:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1676 [2022-02-23 21:23:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1685 [2022-02-23 21:23:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1694 [2022-02-23 21:23:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1703 [2022-02-23 21:23:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1712 [2022-02-23 21:23:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1721 [2022-02-23 21:23:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1730 [2022-02-23 21:23:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1739 [2022-02-23 21:23:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1748 [2022-02-23 21:23:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1757 [2022-02-23 21:23:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1766 [2022-02-23 21:23:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1773 [2022-02-23 21:23:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1783 [2022-02-23 21:23:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1792 [2022-02-23 21:23:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1801 [2022-02-23 21:23:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1810 [2022-02-23 21:23:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1819 [2022-02-23 21:23:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1828 [2022-02-23 21:23:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1837 [2022-02-23 21:23:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1846 [2022-02-23 21:23:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1855 [2022-02-23 21:23:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1864 [2022-02-23 21:23:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1873 [2022-02-23 21:23:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1882 [2022-02-23 21:23:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1891 [2022-02-23 21:23:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1900 [2022-02-23 21:23:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1909 [2022-02-23 21:23:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1918 [2022-02-23 21:23:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1927 [2022-02-23 21:23:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1936 [2022-02-23 21:23:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1945 [2022-02-23 21:23:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1954 [2022-02-23 21:23:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1963 [2022-02-23 21:23:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1970 [2022-02-23 21:23:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:23:19,391 INFO L134 CoverageAnalysis]: Checked inductivity of 252915 backedges. 28620 proven. 1491 refuted. 0 times theorem prover too weak. 222804 trivial. 0 not checked. [2022-02-23 21:23:19,391 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 21:23:19,391 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621497252] [2022-02-23 21:23:19,391 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621497252] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 21:23:19,391 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512509081] [2022-02-23 21:23:19,392 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-23 21:23:19,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 21:23:19,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 21:23:19,396 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 21:23:19,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-23 21:25:47,112 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2022-02-23 21:25:47,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-23 21:25:47,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 45 conjunts are in the unsatisfiable core [2022-02-23 21:25:47,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 21:25:49,670 INFO L134 CoverageAnalysis]: Checked inductivity of 252915 backedges. 83776 proven. 1491 refuted. 0 times theorem prover too weak. 167648 trivial. 0 not checked. [2022-02-23 21:25:49,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 21:25:53,315 INFO L134 CoverageAnalysis]: Checked inductivity of 252915 backedges. 53686 proven. 1491 refuted. 0 times theorem prover too weak. 197738 trivial. 0 not checked. [2022-02-23 21:25:53,315 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512509081] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-23 21:25:53,315 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-23 21:25:53,316 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 24] total 48 [2022-02-23 21:25:53,316 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769990727] [2022-02-23 21:25:53,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-23 21:25:53,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-02-23 21:25:53,319 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 21:25:53,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-02-23 21:25:53,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=1635, Unknown=0, NotChecked=0, Total=2256 [2022-02-23 21:25:53,320 INFO L87 Difference]: Start difference. First operand 1110 states and 1548 transitions. Second operand has 48 states, 48 states have (on average 4.1875) internal successors, (201), 47 states have internal predecessors, (201), 44 states have call successors, (52), 3 states have call predecessors, (52), 2 states have return successors, (49), 44 states have call predecessors, (49), 44 states have call successors, (49) [2022-02-23 21:27:19,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 21:27:19,954 INFO L93 Difference]: Finished difference Result 3307 states and 4740 transitions. [2022-02-23 21:27:19,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-23 21:27:19,955 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 4.1875) internal successors, (201), 47 states have internal predecessors, (201), 44 states have call successors, (52), 3 states have call predecessors, (52), 2 states have return successors, (49), 44 states have call predecessors, (49), 44 states have call successors, (49) Word has length 1981 [2022-02-23 21:27:19,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 21:27:19,965 INFO L225 Difference]: With dead ends: 3307 [2022-02-23 21:27:19,965 INFO L226 Difference]: Without dead ends: 2310 [2022-02-23 21:27:19,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4472 GetRequests, 4381 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1017 ImplicationChecksByTransitivity, 85.2s TimeCoverageRelationStatistics Valid=2249, Invalid=6123, Unknown=0, NotChecked=0, Total=8372 [2022-02-23 21:27:19,971 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 345 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 3675 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 3913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 3675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-02-23 21:27:19,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 188 Invalid, 3913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 3675 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-02-23 21:27:19,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2310 states. [2022-02-23 21:27:20,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2310 to 2310. [2022-02-23 21:27:20,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2310 states, 1843 states have (on average 1.2501356483993489) internal successors, (2304), 1843 states have internal predecessors, (2304), 463 states have call successors, (463), 5 states have call predecessors, (463), 3 states have return successors, (461), 461 states have call predecessors, (461), 461 states have call successors, (461) [2022-02-23 21:27:20,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 2310 states and 3228 transitions. [2022-02-23 21:27:20,563 INFO L78 Accepts]: Start accepts. Automaton has 2310 states and 3228 transitions. Word has length 1981 [2022-02-23 21:27:20,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 21:27:20,565 INFO L470 AbstractCegarLoop]: Abstraction has 2310 states and 3228 transitions. [2022-02-23 21:27:20,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.1875) internal successors, (201), 47 states have internal predecessors, (201), 44 states have call successors, (52), 3 states have call predecessors, (52), 2 states have return successors, (49), 44 states have call predecessors, (49), 44 states have call successors, (49) [2022-02-23 21:27:20,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 3228 transitions. [2022-02-23 21:27:20,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4142 [2022-02-23 21:27:20,678 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 21:27:20,679 INFO L514 BasicCegarLoop]: trace histogram [461, 460, 460, 450, 450, 450, 450, 450, 450, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 21:27:20,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-23 21:27:20,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-23 21:27:20,879 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 21:27:20,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 21:27:20,880 INFO L85 PathProgramCache]: Analyzing trace with hash 184642555, now seen corresponding path program 6 times [2022-02-23 21:27:20,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 21:27:20,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161818795] [2022-02-23 21:27:20,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 21:27:20,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 21:27:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 21:27:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-23 21:27:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-23 21:27:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-23 21:27:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-23 21:27:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-23 21:27:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-23 21:27:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-02-23 21:27:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-02-23 21:27:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-02-23 21:27:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-02-23 21:27:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-02-23 21:27:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-02-23 21:27:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-02-23 21:27:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-02-23 21:27:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-02-23 21:27:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-02-23 21:27:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-02-23 21:27:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-02-23 21:27:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-02-23 21:27:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-02-23 21:27:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-02-23 21:27:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-02-23 21:27:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-02-23 21:27:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-02-23 21:27:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-02-23 21:27:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-02-23 21:27:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-02-23 21:27:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-02-23 21:27:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-02-23 21:27:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-02-23 21:27:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-02-23 21:27:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-02-23 21:27:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-02-23 21:27:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-02-23 21:27:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-02-23 21:27:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-02-23 21:27:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-02-23 21:27:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-02-23 21:27:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-02-23 21:27:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-02-23 21:27:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-02-23 21:27:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-02-23 21:27:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-02-23 21:27:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-02-23 21:27:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-02-23 21:27:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-02-23 21:27:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-02-23 21:27:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-02-23 21:27:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-02-23 21:27:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-02-23 21:27:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-02-23 21:27:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-02-23 21:27:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-02-23 21:27:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-02-23 21:27:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-02-23 21:27:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-02-23 21:27:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-02-23 21:27:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-02-23 21:27:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-02-23 21:27:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-02-23 21:27:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2022-02-23 21:27:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2022-02-23 21:27:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2022-02-23 21:27:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-02-23 21:27:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-02-23 21:27:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2022-02-23 21:27:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2022-02-23 21:27:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-02-23 21:27:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2022-02-23 21:27:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2022-02-23 21:27:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2022-02-23 21:27:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2022-02-23 21:27:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2022-02-23 21:27:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2022-02-23 21:27:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2022-02-23 21:27:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 684 [2022-02-23 21:27:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2022-02-23 21:27:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2022-02-23 21:27:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2022-02-23 21:27:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2022-02-23 21:27:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 729 [2022-02-23 21:27:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 738 [2022-02-23 21:27:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 747 [2022-02-23 21:27:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 756 [2022-02-23 21:27:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 765 [2022-02-23 21:27:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 774 [2022-02-23 21:27:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 783 [2022-02-23 21:27:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 792 [2022-02-23 21:27:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 801 [2022-02-23 21:27:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 810 [2022-02-23 21:27:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 819 [2022-02-23 21:27:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-02-23 21:27:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2022-02-23 21:27:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2022-02-23 21:27:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2022-02-23 21:27:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2022-02-23 21:27:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 872 [2022-02-23 21:27:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2022-02-23 21:27:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 890 [2022-02-23 21:27:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2022-02-23 21:27:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 908 [2022-02-23 21:27:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2022-02-23 21:27:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2022-02-23 21:27:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 935 [2022-02-23 21:27:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2022-02-23 21:27:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 953 [2022-02-23 21:27:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2022-02-23 21:27:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 971 [2022-02-23 21:27:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2022-02-23 21:27:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2022-02-23 21:27:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2022-02-23 21:27:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1007 [2022-02-23 21:27:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2022-02-23 21:27:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1025 [2022-02-23 21:27:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2022-02-23 21:27:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1043 [2022-02-23 21:27:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1052 [2022-02-23 21:27:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1061 [2022-02-23 21:27:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1070 [2022-02-23 21:27:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2022-02-23 21:27:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1088 [2022-02-23 21:27:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1097 [2022-02-23 21:27:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1106 [2022-02-23 21:27:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2022-02-23 21:27:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2022-02-23 21:27:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1133 [2022-02-23 21:27:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1142 [2022-02-23 21:27:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1151 [2022-02-23 21:27:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1160 [2022-02-23 21:27:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2022-02-23 21:27:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1178 [2022-02-23 21:27:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1187 [2022-02-23 21:27:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1196 [2022-02-23 21:27:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1205 [2022-02-23 21:27:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2022-02-23 21:27:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1223 [2022-02-23 21:27:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1232 [2022-02-23 21:27:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1239 [2022-02-23 21:27:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1249 [2022-02-23 21:27:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1258 [2022-02-23 21:27:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2022-02-23 21:27:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2022-02-23 21:27:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1285 [2022-02-23 21:27:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1294 [2022-02-23 21:27:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1303 [2022-02-23 21:27:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1312 [2022-02-23 21:27:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1321 [2022-02-23 21:27:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2022-02-23 21:27:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1339 [2022-02-23 21:27:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1348 [2022-02-23 21:27:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1357 [2022-02-23 21:27:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1366 [2022-02-23 21:27:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2022-02-23 21:27:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1384 [2022-02-23 21:27:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1393 [2022-02-23 21:27:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1402 [2022-02-23 21:27:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1411 [2022-02-23 21:27:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1420 [2022-02-23 21:27:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1429 [2022-02-23 21:27:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1438 [2022-02-23 21:27:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1447 [2022-02-23 21:27:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1456 [2022-02-23 21:27:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1465 [2022-02-23 21:27:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1474 [2022-02-23 21:27:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1483 [2022-02-23 21:27:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1492 [2022-02-23 21:27:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1501 [2022-02-23 21:27:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1510 [2022-02-23 21:27:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1519 [2022-02-23 21:27:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1528 [2022-02-23 21:27:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2022-02-23 21:27:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1546 [2022-02-23 21:27:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1555 [2022-02-23 21:27:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1564 [2022-02-23 21:27:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1573 [2022-02-23 21:27:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1582 [2022-02-23 21:27:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1591 [2022-02-23 21:27:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1600 [2022-02-23 21:27:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1609 [2022-02-23 21:27:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1618 [2022-02-23 21:27:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1627 [2022-02-23 21:27:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1636 [2022-02-23 21:27:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1645 [2022-02-23 21:27:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1652 [2022-02-23 21:27:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2022-02-23 21:27:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1671 [2022-02-23 21:27:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1680 [2022-02-23 21:27:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1689 [2022-02-23 21:27:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1698 [2022-02-23 21:27:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1707 [2022-02-23 21:27:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1716 [2022-02-23 21:27:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1725 [2022-02-23 21:27:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1734 [2022-02-23 21:27:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1743 [2022-02-23 21:27:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1752 [2022-02-23 21:27:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1761 [2022-02-23 21:27:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1770 [2022-02-23 21:27:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1779 [2022-02-23 21:27:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1788 [2022-02-23 21:27:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1797 [2022-02-23 21:27:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1806 [2022-02-23 21:27:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:26,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1815 [2022-02-23 21:27:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1824 [2022-02-23 21:27:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1833 [2022-02-23 21:27:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1842 [2022-02-23 21:27:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1851 [2022-02-23 21:27:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1860 [2022-02-23 21:27:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1869 [2022-02-23 21:27:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1878 [2022-02-23 21:27:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1887 [2022-02-23 21:27:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1896 [2022-02-23 21:27:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1905 [2022-02-23 21:27:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1914 [2022-02-23 21:27:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1923 [2022-02-23 21:27:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1932 [2022-02-23 21:27:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1941 [2022-02-23 21:27:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1950 [2022-02-23 21:27:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1959 [2022-02-23 21:27:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1968 [2022-02-23 21:27:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1977 [2022-02-23 21:27:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1986 [2022-02-23 21:27:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1995 [2022-02-23 21:27:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2004 [2022-02-23 21:27:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2013 [2022-02-23 21:27:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2022 [2022-02-23 21:27:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2031 [2022-02-23 21:27:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2040 [2022-02-23 21:27:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2049 [2022-02-23 21:27:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2058 [2022-02-23 21:27:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2065 [2022-02-23 21:27:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2075 [2022-02-23 21:27:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2084 [2022-02-23 21:27:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2093 [2022-02-23 21:27:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2102 [2022-02-23 21:27:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2111 [2022-02-23 21:27:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2120 [2022-02-23 21:27:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2129 [2022-02-23 21:27:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2138 [2022-02-23 21:27:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2147 [2022-02-23 21:27:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2156 [2022-02-23 21:27:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2165 [2022-02-23 21:27:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2174 [2022-02-23 21:27:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2183 [2022-02-23 21:27:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2192 [2022-02-23 21:27:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2201 [2022-02-23 21:27:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2210 [2022-02-23 21:27:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2219 [2022-02-23 21:27:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2228 [2022-02-23 21:27:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2237 [2022-02-23 21:27:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2246 [2022-02-23 21:27:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2255 [2022-02-23 21:27:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2264 [2022-02-23 21:27:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2273 [2022-02-23 21:27:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2282 [2022-02-23 21:27:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2291 [2022-02-23 21:27:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2300 [2022-02-23 21:27:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2309 [2022-02-23 21:27:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2318 [2022-02-23 21:27:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2327 [2022-02-23 21:27:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2336 [2022-02-23 21:27:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2345 [2022-02-23 21:27:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2354 [2022-02-23 21:27:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2363 [2022-02-23 21:27:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2372 [2022-02-23 21:27:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2381 [2022-02-23 21:27:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2390 [2022-02-23 21:27:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2399 [2022-02-23 21:27:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2408 [2022-02-23 21:27:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2417 [2022-02-23 21:27:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2426 [2022-02-23 21:27:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2435 [2022-02-23 21:27:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2444 [2022-02-23 21:27:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2453 [2022-02-23 21:27:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2462 [2022-02-23 21:27:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2471 [2022-02-23 21:27:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2478 [2022-02-23 21:27:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2488 [2022-02-23 21:27:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2497 [2022-02-23 21:27:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2506 [2022-02-23 21:27:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2515 [2022-02-23 21:27:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2524 [2022-02-23 21:27:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2533 [2022-02-23 21:27:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2542 [2022-02-23 21:27:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2551 [2022-02-23 21:27:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2560 [2022-02-23 21:27:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2569 [2022-02-23 21:27:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2578 [2022-02-23 21:27:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2587 [2022-02-23 21:27:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2596 [2022-02-23 21:27:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2605 [2022-02-23 21:27:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2614 [2022-02-23 21:27:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2623 [2022-02-23 21:27:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2632 [2022-02-23 21:27:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2641 [2022-02-23 21:27:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2650 [2022-02-23 21:27:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2659 [2022-02-23 21:27:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2668 [2022-02-23 21:27:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2677 [2022-02-23 21:27:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2686 [2022-02-23 21:27:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2695 [2022-02-23 21:27:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2704 [2022-02-23 21:27:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2713 [2022-02-23 21:27:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2722 [2022-02-23 21:27:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2731 [2022-02-23 21:27:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2740 [2022-02-23 21:27:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2749 [2022-02-23 21:27:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2758 [2022-02-23 21:27:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2767 [2022-02-23 21:27:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2776 [2022-02-23 21:27:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2785 [2022-02-23 21:27:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2794 [2022-02-23 21:27:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2803 [2022-02-23 21:27:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2812 [2022-02-23 21:27:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2821 [2022-02-23 21:27:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2830 [2022-02-23 21:27:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2839 [2022-02-23 21:27:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2848 [2022-02-23 21:27:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2857 [2022-02-23 21:27:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2866 [2022-02-23 21:27:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2875 [2022-02-23 21:27:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2884 [2022-02-23 21:27:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2891 [2022-02-23 21:27:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2901 [2022-02-23 21:27:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2910 [2022-02-23 21:27:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2919 [2022-02-23 21:27:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2928 [2022-02-23 21:27:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2937 [2022-02-23 21:27:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2946 [2022-02-23 21:27:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2955 [2022-02-23 21:27:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2964 [2022-02-23 21:27:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2973 [2022-02-23 21:27:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2982 [2022-02-23 21:27:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2991 [2022-02-23 21:27:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3000 [2022-02-23 21:27:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3009 [2022-02-23 21:27:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3018 [2022-02-23 21:27:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3027 [2022-02-23 21:27:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3036 [2022-02-23 21:27:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3045 [2022-02-23 21:27:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3054 [2022-02-23 21:27:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3063 [2022-02-23 21:27:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3072 [2022-02-23 21:27:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3081 [2022-02-23 21:27:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3090 [2022-02-23 21:27:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3099 [2022-02-23 21:27:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3108 [2022-02-23 21:27:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3117 [2022-02-23 21:27:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3126 [2022-02-23 21:27:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3135 [2022-02-23 21:27:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3144 [2022-02-23 21:27:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3153 [2022-02-23 21:27:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3162 [2022-02-23 21:27:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3171 [2022-02-23 21:27:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3180 [2022-02-23 21:27:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3189 [2022-02-23 21:27:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3198 [2022-02-23 21:27:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3207 [2022-02-23 21:27:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3216 [2022-02-23 21:27:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3225 [2022-02-23 21:27:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3234 [2022-02-23 21:27:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3243 [2022-02-23 21:27:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3252 [2022-02-23 21:27:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3261 [2022-02-23 21:27:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3270 [2022-02-23 21:27:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3279 [2022-02-23 21:27:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3288 [2022-02-23 21:27:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3297 [2022-02-23 21:27:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3304 [2022-02-23 21:27:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3314 [2022-02-23 21:27:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3323 [2022-02-23 21:27:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3332 [2022-02-23 21:27:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3341 [2022-02-23 21:27:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3350 [2022-02-23 21:27:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3359 [2022-02-23 21:27:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3368 [2022-02-23 21:27:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3377 [2022-02-23 21:27:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3386 [2022-02-23 21:27:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3395 [2022-02-23 21:27:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3404 [2022-02-23 21:27:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3413 [2022-02-23 21:27:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3422 [2022-02-23 21:27:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3431 [2022-02-23 21:27:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3440 [2022-02-23 21:27:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3449 [2022-02-23 21:27:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3458 [2022-02-23 21:27:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3467 [2022-02-23 21:27:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3476 [2022-02-23 21:27:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3485 [2022-02-23 21:27:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3494 [2022-02-23 21:27:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3503 [2022-02-23 21:27:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3512 [2022-02-23 21:27:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3521 [2022-02-23 21:27:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3530 [2022-02-23 21:27:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3539 [2022-02-23 21:27:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3548 [2022-02-23 21:27:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3557 [2022-02-23 21:27:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3566 [2022-02-23 21:27:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3575 [2022-02-23 21:27:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3584 [2022-02-23 21:27:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3593 [2022-02-23 21:27:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3602 [2022-02-23 21:27:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3611 [2022-02-23 21:27:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3620 [2022-02-23 21:27:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3629 [2022-02-23 21:27:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3638 [2022-02-23 21:27:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3647 [2022-02-23 21:27:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3656 [2022-02-23 21:27:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3665 [2022-02-23 21:27:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3674 [2022-02-23 21:27:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3683 [2022-02-23 21:27:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3692 [2022-02-23 21:27:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3701 [2022-02-23 21:27:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3710 [2022-02-23 21:27:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3717 [2022-02-23 21:27:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3727 [2022-02-23 21:27:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3736 [2022-02-23 21:27:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3745 [2022-02-23 21:27:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3754 [2022-02-23 21:27:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3763 [2022-02-23 21:27:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3772 [2022-02-23 21:27:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3781 [2022-02-23 21:27:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3790 [2022-02-23 21:27:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3799 [2022-02-23 21:27:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3808 [2022-02-23 21:27:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3817 [2022-02-23 21:27:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3826 [2022-02-23 21:27:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3835 [2022-02-23 21:27:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3844 [2022-02-23 21:27:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3853 [2022-02-23 21:27:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3862 [2022-02-23 21:27:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3871 [2022-02-23 21:27:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3880 [2022-02-23 21:27:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3889 [2022-02-23 21:27:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3898 [2022-02-23 21:27:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3907 [2022-02-23 21:27:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3916 [2022-02-23 21:27:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3925 [2022-02-23 21:27:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3934 [2022-02-23 21:27:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3943 [2022-02-23 21:27:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3952 [2022-02-23 21:27:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3961 [2022-02-23 21:27:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3970 [2022-02-23 21:27:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3979 [2022-02-23 21:27:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3988 [2022-02-23 21:27:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3997 [2022-02-23 21:27:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4006 [2022-02-23 21:27:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4015 [2022-02-23 21:27:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4024 [2022-02-23 21:27:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4033 [2022-02-23 21:27:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4042 [2022-02-23 21:27:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4051 [2022-02-23 21:27:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4060 [2022-02-23 21:27:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4069 [2022-02-23 21:27:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:27,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4078 [2022-02-23 21:27:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:28,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4087 [2022-02-23 21:27:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:28,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4096 [2022-02-23 21:27:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:28,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4105 [2022-02-23 21:27:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:28,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4114 [2022-02-23 21:27:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:28,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4123 [2022-02-23 21:27:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:28,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4130 [2022-02-23 21:27:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 21:27:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1135515 backedges. 129324 proven. 6975 refuted. 0 times theorem prover too weak. 999216 trivial. 0 not checked. [2022-02-23 21:27:28,102 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 21:27:28,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161818795] [2022-02-23 21:27:28,102 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161818795] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 21:27:28,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156853063] [2022-02-23 21:27:28,102 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-23 21:27:28,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 21:27:28,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 21:27:28,104 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 21:27:28,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process