/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-b030c9e [2022-03-20 08:54:52,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 08:54:52,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 08:54:52,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-20 08:54:52,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 08:54:52,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 08:54:52,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 08:54:52,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 08:54:52,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 08:54:52,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 08:54:52,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 08:54:52,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 08:54:52,601 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 08:54:52,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 08:54:52,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 08:54:52,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 08:54:52,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 08:54:52,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 08:54:52,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 08:54:52,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 08:54:52,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 08:54:52,614 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-20 08:54:52,628 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 08:54:52,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 08:54:52,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-20 08:54:52,629 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-20 08:54:52,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-20 08:54:52,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-20 08:54:52,630 INFO L138 SettingsManager]: * Use SBE=true [2022-03-20 08:54:52,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 08:54:52,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 08:54:52,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 08:54:52,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 08:54:52,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 08:54:52,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 08:54:52,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 08:54:52,631 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 08:54:52,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 08:54:52,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 08:54:52,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 08:54:52,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 08:54:52,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 08:54:52,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 08:54:52,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-20 08:54:52,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-20 08:54:52,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 08:54:52,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-20 08:54:52,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 08:54:52,632 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-20 08:54:52,632 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-20 08:54:52,632 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 08:54:52,632 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 08:54:52,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 08:54:52,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 08:54:52,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 08:54:52,788 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 08:54:52,789 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 08:54:52,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested3-1.c [2022-03-20 08:54:52,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f76cbaf7/ee622765f4394156996ca099c351ec23/FLAGf5f76359b [2022-03-20 08:54:53,205 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 08:54:53,205 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-1.c [2022-03-20 08:54:53,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f76cbaf7/ee622765f4394156996ca099c351ec23/FLAGf5f76359b [2022-03-20 08:54:53,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f76cbaf7/ee622765f4394156996ca099c351ec23 [2022-03-20 08:54:53,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 08:54:53,650 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 08:54:53,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 08:54:53,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 08:54:53,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 08:54:53,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 08:54:53" (1/1) ... [2022-03-20 08:54:53,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed43548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:54:53, skipping insertion in model container [2022-03-20 08:54:53,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 08:54:53" (1/1) ... [2022-03-20 08:54:53,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 08:54:53,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 08:54:53,784 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] [2022-03-20 08:54:53,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 08:54:53,828 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 08:54:53,838 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] [2022-03-20 08:54:53,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 08:54:53,857 INFO L208 MainTranslator]: Completed translation [2022-03-20 08:54:53,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:54:53 WrapperNode [2022-03-20 08:54:53,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 08:54:53,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 08:54:53,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 08:54:53,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 08:54:53,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:54:53" (1/1) ... [2022-03-20 08:54:53,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:54:53" (1/1) ... [2022-03-20 08:54:53,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:54:53" (1/1) ... [2022-03-20 08:54:53,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:54:53" (1/1) ... [2022-03-20 08:54:53,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:54:53" (1/1) ... [2022-03-20 08:54:53,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:54:53" (1/1) ... [2022-03-20 08:54:53,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:54:53" (1/1) ... [2022-03-20 08:54:53,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 08:54:53,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 08:54:53,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 08:54:53,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 08:54:53,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:54:53" (1/1) ... [2022-03-20 08:54:53,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 08:54:53,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 08:54:53,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-20 08:54:53,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-20 08:54:53,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 08:54:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 08:54:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 08:54:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-20 08:54:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 08:54:53,995 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 08:54:53,995 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 08:54:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 08:54:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 08:54:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-20 08:54:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 08:54:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 08:54:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 08:54:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 08:54:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 08:54:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 08:54:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 08:54:54,040 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 08:54:54,041 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 08:54:54,132 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 08:54:54,136 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 08:54:54,136 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-20 08:54:54,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 08:54:54 BoogieIcfgContainer [2022-03-20 08:54:54,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 08:54:54,138 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 08:54:54,138 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 08:54:54,138 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 08:54:54,140 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 08:54:54" (1/1) ... [2022-03-20 08:54:54,141 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-03-20 08:54:54,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 08:54:54 BasicIcfg [2022-03-20 08:54:54,238 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-20 08:54:54,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 08:54:54,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 08:54:54,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 08:54:54,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 08:54:53" (1/4) ... [2022-03-20 08:54:54,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1e622c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 08:54:54, skipping insertion in model container [2022-03-20 08:54:54,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:54:53" (2/4) ... [2022-03-20 08:54:54,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1e622c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 08:54:54, skipping insertion in model container [2022-03-20 08:54:54,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 08:54:54" (3/4) ... [2022-03-20 08:54:54,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1e622c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 08:54:54, skipping insertion in model container [2022-03-20 08:54:54,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 08:54:54" (4/4) ... [2022-03-20 08:54:54,245 INFO L111 eAbstractionObserver]: Analyzing ICFG nested3-1.cqvasr [2022-03-20 08:54:54,253 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-20 08:54:54,254 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 08:54:54,296 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 08:54:54,301 INFO L340 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 [2022-03-20 08:54:54,301 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 08:54:54,314 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) [2022-03-20 08:54:54,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-20 08:54:54,317 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 08:54:54,318 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 08:54:54,318 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 08:54:54,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 08:54:54,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1301415802, now seen corresponding path program 1 times [2022-03-20 08:54:54,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 08:54:54,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394894618] [2022-03-20 08:54:54,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:54:54,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 08:54:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:54,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 08:54:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:54,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 08:54:54,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 08:54:54,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394894618] [2022-03-20 08:54:54,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394894618] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 08:54:54,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 08:54:54,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-20 08:54:54,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852635771] [2022-03-20 08:54:54,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 08:54:54,484 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-20 08:54:54,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 08:54:54,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-20 08:54:54,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-20 08:54:54,515 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) [2022-03-20 08:54:54,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 08:54:54,568 INFO L93 Difference]: Finished difference Result 44 states and 63 transitions. [2022-03-20 08:54:54,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-20 08:54:54,571 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 [2022-03-20 08:54:54,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 08:54:54,576 INFO L225 Difference]: With dead ends: 44 [2022-03-20 08:54:54,576 INFO L226 Difference]: Without dead ends: 20 [2022-03-20 08:54:54,583 INFO L912 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 [2022-03-20 08:54:54,586 INFO L913 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 [2022-03-20 08:54:54,588 INFO L914 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] [2022-03-20 08:54:54,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-03-20 08:54:54,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-03-20 08:54:54,611 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) [2022-03-20 08:54:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2022-03-20 08:54:54,614 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 11 [2022-03-20 08:54:54,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 08:54:54,614 INFO L478 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-03-20 08:54:54,615 INFO L479 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) [2022-03-20 08:54:54,615 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-03-20 08:54:54,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-20 08:54:54,615 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 08:54:54,615 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 08:54:54,616 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 08:54:54,616 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 08:54:54,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 08:54:54,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1302339323, now seen corresponding path program 1 times [2022-03-20 08:54:54,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 08:54:54,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052249962] [2022-03-20 08:54:54,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:54:54,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 08:54:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 08:54:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:54,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 08:54:54,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 08:54:54,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052249962] [2022-03-20 08:54:54,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052249962] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 08:54:54,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 08:54:54,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 08:54:54,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507200832] [2022-03-20 08:54:54,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 08:54:54,674 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 08:54:54,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 08:54:54,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 08:54:54,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 08:54:54,675 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) [2022-03-20 08:54:54,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 08:54:54,730 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2022-03-20 08:54:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 08:54:54,732 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 [2022-03-20 08:54:54,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 08:54:54,733 INFO L225 Difference]: With dead ends: 34 [2022-03-20 08:54:54,734 INFO L226 Difference]: Without dead ends: 27 [2022-03-20 08:54:54,737 INFO L912 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 [2022-03-20 08:54:54,738 INFO L913 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, 0.0s IncrementalHoareTripleChecker+Time [2022-03-20 08:54:54,738 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 26 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-20 08:54:54,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-03-20 08:54:54,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2022-03-20 08:54:54,743 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) [2022-03-20 08:54:54,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2022-03-20 08:54:54,744 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 11 [2022-03-20 08:54:54,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 08:54:54,744 INFO L478 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-03-20 08:54:54,744 INFO L479 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) [2022-03-20 08:54:54,745 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-03-20 08:54:54,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-20 08:54:54,745 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 08:54:54,745 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 08:54:54,745 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 08:54:54,745 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 08:54:54,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 08:54:54,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1748313539, now seen corresponding path program 1 times [2022-03-20 08:54:54,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 08:54:54,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783598679] [2022-03-20 08:54:54,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:54:54,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 08:54:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:54,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 08:54:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 08:54:54,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 08:54:54,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783598679] [2022-03-20 08:54:54,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783598679] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 08:54:54,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 08:54:54,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 08:54:54,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106326743] [2022-03-20 08:54:54,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 08:54:54,807 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 08:54:54,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 08:54:54,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 08:54:54,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 08:54:54,808 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) [2022-03-20 08:54:54,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 08:54:54,852 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2022-03-20 08:54:54,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 08:54:54,853 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 [2022-03-20 08:54:54,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 08:54:54,855 INFO L225 Difference]: With dead ends: 39 [2022-03-20 08:54:54,856 INFO L226 Difference]: Without dead ends: 25 [2022-03-20 08:54:54,858 INFO L912 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 [2022-03-20 08:54:54,862 INFO L913 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 [2022-03-20 08:54:54,863 INFO L914 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] [2022-03-20 08:54:54,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-03-20 08:54:54,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2022-03-20 08:54:54,868 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) [2022-03-20 08:54:54,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-03-20 08:54:54,869 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 12 [2022-03-20 08:54:54,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 08:54:54,870 INFO L478 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-03-20 08:54:54,870 INFO L479 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) [2022-03-20 08:54:54,870 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-03-20 08:54:54,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-20 08:54:54,870 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 08:54:54,870 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 08:54:54,871 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 08:54:54,871 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 08:54:54,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 08:54:54,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1606116621, now seen corresponding path program 1 times [2022-03-20 08:54:54,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 08:54:54,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223554827] [2022-03-20 08:54:54,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:54:54,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 08:54:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:54,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 08:54:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:54,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 08:54:54,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 08:54:54,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223554827] [2022-03-20 08:54:54,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223554827] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 08:54:54,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 08:54:54,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 08:54:54,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112139323] [2022-03-20 08:54:54,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 08:54:54,940 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 08:54:54,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 08:54:54,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 08:54:54,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 08:54:54,940 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) [2022-03-20 08:54:54,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 08:54:54,994 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2022-03-20 08:54:54,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 08:54:54,995 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 [2022-03-20 08:54:54,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 08:54:54,996 INFO L225 Difference]: With dead ends: 39 [2022-03-20 08:54:54,996 INFO L226 Difference]: Without dead ends: 24 [2022-03-20 08:54:54,997 INFO L912 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 [2022-03-20 08:54:55,002 INFO L913 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 [2022-03-20 08:54:55,003 INFO L914 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] [2022-03-20 08:54:55,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-03-20 08:54:55,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-03-20 08:54:55,012 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) [2022-03-20 08:54:55,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-03-20 08:54:55,012 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 13 [2022-03-20 08:54:55,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 08:54:55,013 INFO L478 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-03-20 08:54:55,013 INFO L479 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) [2022-03-20 08:54:55,013 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-03-20 08:54:55,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-20 08:54:55,014 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 08:54:55,014 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 08:54:55,014 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 08:54:55,014 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 08:54:55,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 08:54:55,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1773342651, now seen corresponding path program 1 times [2022-03-20 08:54:55,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 08:54:55,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140707378] [2022-03-20 08:54:55,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:54:55,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 08:54:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:55,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 08:54:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 08:54:55,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 08:54:55,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140707378] [2022-03-20 08:54:55,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140707378] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 08:54:55,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 08:54:55,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-20 08:54:55,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784595829] [2022-03-20 08:54:55,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 08:54:55,170 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 08:54:55,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 08:54:55,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 08:54:55,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-20 08:54:55,170 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) [2022-03-20 08:54:55,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 08:54:55,301 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2022-03-20 08:54:55,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-20 08:54:55,302 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 [2022-03-20 08:54:55,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 08:54:55,302 INFO L225 Difference]: With dead ends: 30 [2022-03-20 08:54:55,303 INFO L226 Difference]: Without dead ends: 28 [2022-03-20 08:54:55,303 INFO L912 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 [2022-03-20 08:54:55,304 INFO L913 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 [2022-03-20 08:54:55,304 INFO L914 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] [2022-03-20 08:54:55,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-03-20 08:54:55,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-03-20 08:54:55,310 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) [2022-03-20 08:54:55,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-03-20 08:54:55,310 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 14 [2022-03-20 08:54:55,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 08:54:55,310 INFO L478 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-03-20 08:54:55,311 INFO L479 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) [2022-03-20 08:54:55,311 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-03-20 08:54:55,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-03-20 08:54:55,311 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 08:54:55,311 INFO L499 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 08:54:55,311 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-20 08:54:55,312 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 08:54:55,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 08:54:55,312 INFO L85 PathProgramCache]: Analyzing trace with hash 259423101, now seen corresponding path program 1 times [2022-03-20 08:54:55,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 08:54:55,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956771051] [2022-03-20 08:54:55,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:54:55,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 08:54:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 08:54:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:55,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 08:54:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:55,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-20 08:54:55,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 08:54:55,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956771051] [2022-03-20 08:54:55,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956771051] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 08:54:55,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239265658] [2022-03-20 08:54:55,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:54:55,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 08:54:55,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 08:54:55,404 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) [2022-03-20 08:54:55,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-20 08:54:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:55,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-20 08:54:55,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 08:54:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-20 08:54:55,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 08:54:55,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-20 08:54:55,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239265658] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 08:54:55,610 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 08:54:55,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 10 [2022-03-20 08:54:55,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261018835] [2022-03-20 08:54:55,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 08:54:55,611 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-20 08:54:55,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 08:54:55,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-20 08:54:55,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-03-20 08:54:55,612 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) [2022-03-20 08:54:55,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 08:54:55,812 INFO L93 Difference]: Finished difference Result 69 states and 85 transitions. [2022-03-20 08:54:55,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-20 08:54:55,813 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 [2022-03-20 08:54:55,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 08:54:55,815 INFO L225 Difference]: With dead ends: 69 [2022-03-20 08:54:55,815 INFO L226 Difference]: Without dead ends: 49 [2022-03-20 08:54:55,816 INFO L912 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 [2022-03-20 08:54:55,817 INFO L913 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 [2022-03-20 08:54:55,817 INFO L914 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] [2022-03-20 08:54:55,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-03-20 08:54:55,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 42. [2022-03-20 08:54:55,835 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) [2022-03-20 08:54:55,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2022-03-20 08:54:55,839 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 21 [2022-03-20 08:54:55,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 08:54:55,839 INFO L478 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2022-03-20 08:54:55,839 INFO L479 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) [2022-03-20 08:54:55,839 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-03-20 08:54:55,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-20 08:54:55,840 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 08:54:55,840 INFO L499 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 08:54:55,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-03-20 08:54:56,059 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-03-20 08:54:56,060 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 08:54:56,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 08:54:56,060 INFO L85 PathProgramCache]: Analyzing trace with hash -515836157, now seen corresponding path program 2 times [2022-03-20 08:54:56,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 08:54:56,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927953360] [2022-03-20 08:54:56,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:54:56,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 08:54:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:56,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 08:54:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:56,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 08:54:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:56,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-03-20 08:54:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:56,179 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-20 08:54:56,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 08:54:56,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927953360] [2022-03-20 08:54:56,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927953360] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 08:54:56,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150560536] [2022-03-20 08:54:56,179 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-20 08:54:56,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 08:54:56,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 08:54:56,200 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 08:54:56,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-20 08:54:56,279 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-20 08:54:56,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-20 08:54:56,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-20 08:54:56,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 08:54:56,360 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-20 08:54:56,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 08:54:56,432 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-20 08:54:56,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150560536] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 08:54:56,432 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 08:54:56,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2022-03-20 08:54:56,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363991087] [2022-03-20 08:54:56,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 08:54:56,433 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-20 08:54:56,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 08:54:56,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-20 08:54:56,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-03-20 08:54:56,434 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) [2022-03-20 08:54:56,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 08:54:56,600 INFO L93 Difference]: Finished difference Result 97 states and 125 transitions. [2022-03-20 08:54:56,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-20 08:54:56,601 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 [2022-03-20 08:54:56,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 08:54:56,602 INFO L225 Difference]: With dead ends: 97 [2022-03-20 08:54:56,603 INFO L226 Difference]: Without dead ends: 62 [2022-03-20 08:54:56,603 INFO L912 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 [2022-03-20 08:54:56,603 INFO L913 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 [2022-03-20 08:54:56,604 INFO L914 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] [2022-03-20 08:54:56,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-03-20 08:54:56,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-03-20 08:54:56,615 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) [2022-03-20 08:54:56,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2022-03-20 08:54:56,616 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 30 [2022-03-20 08:54:56,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 08:54:56,616 INFO L478 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-03-20 08:54:56,616 INFO L479 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) [2022-03-20 08:54:56,616 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2022-03-20 08:54:56,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-20 08:54:56,617 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 08:54:56,618 INFO L499 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 08:54:56,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-20 08:54:56,839 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-03-20 08:54:56,839 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 08:54:56,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 08:54:56,840 INFO L85 PathProgramCache]: Analyzing trace with hash -820041341, now seen corresponding path program 3 times [2022-03-20 08:54:56,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 08:54:56,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008151681] [2022-03-20 08:54:56,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:54:56,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 08:54:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:56,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 08:54:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:56,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 08:54:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:56,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-03-20 08:54:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:56,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-03-20 08:54:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:56,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-03-20 08:54:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-03-20 08:54:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:57,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-03-20 08:54:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:57,005 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 12 proven. 111 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-03-20 08:54:57,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 08:54:57,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008151681] [2022-03-20 08:54:57,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008151681] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 08:54:57,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580231024] [2022-03-20 08:54:57,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-20 08:54:57,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 08:54:57,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 08:54:57,006 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 08:54:57,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-20 08:54:57,061 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-03-20 08:54:57,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-20 08:54:57,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-20 08:54:57,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 08:54:57,278 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-03-20 08:54:57,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 08:54:57,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580231024] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 08:54:57,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-20 08:54:57,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2022-03-20 08:54:57,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388879529] [2022-03-20 08:54:57,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 08:54:57,279 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 08:54:57,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 08:54:57,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 08:54:57,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2022-03-20 08:54:57,279 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) [2022-03-20 08:54:57,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 08:54:57,399 INFO L93 Difference]: Finished difference Result 68 states and 83 transitions. [2022-03-20 08:54:57,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-20 08:54:57,400 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 [2022-03-20 08:54:57,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 08:54:57,400 INFO L225 Difference]: With dead ends: 68 [2022-03-20 08:54:57,400 INFO L226 Difference]: Without dead ends: 64 [2022-03-20 08:54:57,401 INFO L912 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 [2022-03-20 08:54:57,401 INFO L913 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, 0.0s IncrementalHoareTripleChecker+Time [2022-03-20 08:54:57,401 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 96 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-20 08:54:57,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-03-20 08:54:57,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 54. [2022-03-20 08:54:57,412 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) [2022-03-20 08:54:57,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2022-03-20 08:54:57,413 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 66 [2022-03-20 08:54:57,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 08:54:57,413 INFO L478 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2022-03-20 08:54:57,413 INFO L479 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) [2022-03-20 08:54:57,413 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-03-20 08:54:57,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-03-20 08:54:57,414 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 08:54:57,414 INFO L499 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] [2022-03-20 08:54:57,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-20 08:54:57,617 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 08:54:57,617 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 08:54:57,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 08:54:57,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1241135261, now seen corresponding path program 1 times [2022-03-20 08:54:57,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 08:54:57,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587591627] [2022-03-20 08:54:57,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:54:57,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 08:54:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:57,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 08:54:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:57,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 08:54:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:57,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-03-20 08:54:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:57,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-03-20 08:54:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:57,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-03-20 08:54:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:57,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-03-20 08:54:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:57,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-03-20 08:54:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:57,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-03-20 08:54:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:57,736 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 15 proven. 111 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-03-20 08:54:57,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 08:54:57,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587591627] [2022-03-20 08:54:57,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587591627] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 08:54:57,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336472547] [2022-03-20 08:54:57,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:54:57,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 08:54:57,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 08:54:57,752 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 08:54:57,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-20 08:54:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:57,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-20 08:54:57,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 08:54:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 14 proven. 42 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-03-20 08:54:57,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 08:54:58,171 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-03-20 08:54:58,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336472547] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 08:54:58,172 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 08:54:58,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 18 [2022-03-20 08:54:58,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476420609] [2022-03-20 08:54:58,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 08:54:58,172 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-20 08:54:58,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 08:54:58,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-20 08:54:58,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-03-20 08:54:58,173 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) [2022-03-20 08:54:59,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 08:54:59,233 INFO L93 Difference]: Finished difference Result 239 states and 328 transitions. [2022-03-20 08:54:59,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-20 08:54:59,233 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 [2022-03-20 08:54:59,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 08:54:59,234 INFO L225 Difference]: With dead ends: 239 [2022-03-20 08:54:59,235 INFO L226 Difference]: Without dead ends: 192 [2022-03-20 08:54:59,236 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=520, Invalid=2030, Unknown=0, NotChecked=0, Total=2550 [2022-03-20 08:54:59,236 INFO L913 BasicCegarLoop]: 41 mSDtfsCounter, 421 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-03-20 08:54:59,236 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [421 Valid, 93 Invalid, 1321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [305 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-20 08:54:59,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-03-20 08:54:59,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 176. [2022-03-20 08:54:59,267 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) [2022-03-20 08:54:59,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 238 transitions. [2022-03-20 08:54:59,268 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 238 transitions. Word has length 73 [2022-03-20 08:54:59,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 08:54:59,269 INFO L478 AbstractCegarLoop]: Abstraction has 176 states and 238 transitions. [2022-03-20 08:54:59,269 INFO L479 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) [2022-03-20 08:54:59,269 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 238 transitions. [2022-03-20 08:54:59,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-03-20 08:54:59,271 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 08:54:59,271 INFO L499 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] [2022-03-20 08:54:59,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-20 08:54:59,508 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 08:54:59,509 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 08:54:59,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 08:54:59,509 INFO L85 PathProgramCache]: Analyzing trace with hash 827581691, now seen corresponding path program 2 times [2022-03-20 08:54:59,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 08:54:59,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758399222] [2022-03-20 08:54:59,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:54:59,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 08:54:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 08:54:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 08:54:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-03-20 08:54:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-03-20 08:54:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-03-20 08:54:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-03-20 08:54:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-03-20 08:54:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-03-20 08:54:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-03-20 08:54:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-03-20 08:54:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-03-20 08:54:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-03-20 08:54:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-03-20 08:54:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-03-20 08:54:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-03-20 08:54:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-03-20 08:54:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-03-20 08:54:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-03-20 08:54:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-03-20 08:54:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-03-20 08:54:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-03-20 08:54:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-03-20 08:54:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-03-20 08:54:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-03-20 08:54:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-03-20 08:54:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-03-20 08:54:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-03-20 08:54:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-03-20 08:54:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-03-20 08:54:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-03-20 08:54:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-03-20 08:54:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-03-20 08:54:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-03-20 08:54:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:54:59,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 1142 proven. 154 refuted. 0 times theorem prover too weak. 3566 trivial. 0 not checked. [2022-03-20 08:54:59,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 08:54:59,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758399222] [2022-03-20 08:54:59,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758399222] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 08:54:59,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853684070] [2022-03-20 08:54:59,854 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-20 08:54:59,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 08:54:59,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 08:54:59,856 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 08:54:59,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-20 08:55:00,001 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-20 08:55:00,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-20 08:55:00,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-20 08:55:00,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 08:55:00,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 64 proven. 2303 refuted. 0 times theorem prover too weak. 2495 trivial. 0 not checked. [2022-03-20 08:55:00,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 08:55:01,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 151 proven. 2216 refuted. 0 times theorem prover too weak. 2495 trivial. 0 not checked. [2022-03-20 08:55:01,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853684070] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 08:55:01,442 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 08:55:01,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 31 [2022-03-20 08:55:01,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290553284] [2022-03-20 08:55:01,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 08:55:01,444 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-20 08:55:01,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 08:55:01,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-20 08:55:01,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=744, Unknown=0, NotChecked=0, Total=930 [2022-03-20 08:55:01,445 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) [2022-03-20 08:55:07,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 08:55:07,789 INFO L93 Difference]: Finished difference Result 633 states and 894 transitions. [2022-03-20 08:55:07,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-20 08:55:07,790 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 [2022-03-20 08:55:07,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 08:55:07,793 INFO L225 Difference]: With dead ends: 633 [2022-03-20 08:55:07,793 INFO L226 Difference]: Without dead ends: 500 [2022-03-20 08:55:07,809 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 638 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5322 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=2534, Invalid=12966, Unknown=0, NotChecked=0, Total=15500 [2022-03-20 08:55:07,815 INFO L913 BasicCegarLoop]: 93 mSDtfsCounter, 1079 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 4145 mSolverCounterSat, 794 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 2.1s IncrementalHoareTripleChecker+Time [2022-03-20 08:55:07,816 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [1079 Valid, 170 Invalid, 4939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [794 Valid, 4145 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-20 08:55:07,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2022-03-20 08:55:07,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 460. [2022-03-20 08:55:07,912 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) [2022-03-20 08:55:07,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 638 transitions. [2022-03-20 08:55:07,915 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 638 transitions. Word has length 295 [2022-03-20 08:55:07,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 08:55:07,915 INFO L478 AbstractCegarLoop]: Abstraction has 460 states and 638 transitions. [2022-03-20 08:55:07,916 INFO L479 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) [2022-03-20 08:55:07,916 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 638 transitions. [2022-03-20 08:55:07,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2022-03-20 08:55:07,926 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 08:55:07,926 INFO L499 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] [2022-03-20 08:55:07,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-20 08:55:08,142 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-20 08:55:08,142 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 08:55:08,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 08:55:08,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1825980721, now seen corresponding path program 3 times [2022-03-20 08:55:08,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 08:55:08,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573959288] [2022-03-20 08:55:08,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:55:08,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 08:55:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 08:55:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 08:55:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-03-20 08:55:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-03-20 08:55:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-03-20 08:55:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-03-20 08:55:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-03-20 08:55:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-03-20 08:55:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-03-20 08:55:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-03-20 08:55:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-03-20 08:55:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-03-20 08:55:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-03-20 08:55:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-03-20 08:55:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-03-20 08:55:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-03-20 08:55:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-03-20 08:55:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-03-20 08:55:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-03-20 08:55:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-03-20 08:55:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-03-20 08:55:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-03-20 08:55:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-03-20 08:55:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-03-20 08:55:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-03-20 08:55:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-03-20 08:55:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-03-20 08:55:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-03-20 08:55:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-03-20 08:55:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-03-20 08:55:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-03-20 08:55:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-03-20 08:55:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-03-20 08:55:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-03-20 08:55:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-03-20 08:55:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-03-20 08:55:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-03-20 08:55:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-03-20 08:55:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-03-20 08:55:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-03-20 08:55:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-03-20 08:55:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-03-20 08:55:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-03-20 08:55:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-03-20 08:55:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-03-20 08:55:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-03-20 08:55:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-03-20 08:55:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-03-20 08:55:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-03-20 08:55:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-03-20 08:55:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-03-20 08:55:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-03-20 08:55:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-03-20 08:55:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-03-20 08:55:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-03-20 08:55:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-03-20 08:55:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-03-20 08:55:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-03-20 08:55:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-03-20 08:55:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-03-20 08:55:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-03-20 08:55:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-03-20 08:55:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-03-20 08:55:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-03-20 08:55:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-03-20 08:55:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-03-20 08:55:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2022-03-20 08:55:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-03-20 08:55:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-03-20 08:55:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2022-03-20 08:55:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2022-03-20 08:55:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2022-03-20 08:55:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2022-03-20 08:55:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2022-03-20 08:55:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-03-20 08:55:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-03-20 08:55:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2022-03-20 08:55:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-03-20 08:55:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2022-03-20 08:55:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2022-03-20 08:55:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2022-03-20 08:55:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2022-03-20 08:55:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 730 [2022-03-20 08:55:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 739 [2022-03-20 08:55:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 748 [2022-03-20 08:55:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 757 [2022-03-20 08:55:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 766 [2022-03-20 08:55:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 775 [2022-03-20 08:55:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 784 [2022-03-20 08:55:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 793 [2022-03-20 08:55:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-03-20 08:55:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:08,798 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4375 proven. 204 refuted. 0 times theorem prover too weak. 34811 trivial. 0 not checked. [2022-03-20 08:55:08,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 08:55:08,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573959288] [2022-03-20 08:55:08,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573959288] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 08:55:08,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056569631] [2022-03-20 08:55:08,799 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-20 08:55:08,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 08:55:08,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 08:55:08,810 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 08:55:08,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-20 08:55:09,648 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2022-03-20 08:55:09,648 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-20 08:55:09,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 23 conjunts are in the unsatisfiable core [2022-03-20 08:55:09,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 08:55:10,967 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4660 proven. 204 refuted. 0 times theorem prover too weak. 34526 trivial. 0 not checked. [2022-03-20 08:55:10,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 08:55:11,913 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4660 proven. 116 refuted. 0 times theorem prover too weak. 34614 trivial. 0 not checked. [2022-03-20 08:55:11,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056569631] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 08:55:11,913 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 08:55:11,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 6] total 18 [2022-03-20 08:55:11,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391523742] [2022-03-20 08:55:11,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 08:55:11,915 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-20 08:55:11,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 08:55:11,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-20 08:55:11,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2022-03-20 08:55:11,915 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) [2022-03-20 08:55:12,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 08:55:12,513 INFO L93 Difference]: Finished difference Result 1024 states and 1453 transitions. [2022-03-20 08:55:12,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-20 08:55:12,514 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 [2022-03-20 08:55:12,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 08:55:12,519 INFO L225 Difference]: With dead ends: 1024 [2022-03-20 08:55:12,520 INFO L226 Difference]: Without dead ends: 600 [2022-03-20 08:55:12,522 INFO L912 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 [2022-03-20 08:55:12,523 INFO L913 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-20 08:55:12,523 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 81 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-20 08:55:12,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2022-03-20 08:55:12,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 510. [2022-03-20 08:55:12,606 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) [2022-03-20 08:55:12,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 708 transitions. [2022-03-20 08:55:12,608 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 708 transitions. Word has length 811 [2022-03-20 08:55:12,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 08:55:12,609 INFO L478 AbstractCegarLoop]: Abstraction has 510 states and 708 transitions. [2022-03-20 08:55:12,609 INFO L479 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) [2022-03-20 08:55:12,609 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 708 transitions. [2022-03-20 08:55:12,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 902 [2022-03-20 08:55:12,625 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 08:55:12,626 INFO L499 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] [2022-03-20 08:55:12,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-20 08:55:12,831 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 08:55:12,831 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 08:55:12,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 08:55:12,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1728124923, now seen corresponding path program 4 times [2022-03-20 08:55:12,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 08:55:12,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252659711] [2022-03-20 08:55:12,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:55:12,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 08:55:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 08:55:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 08:55:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-03-20 08:55:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-03-20 08:55:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-03-20 08:55:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-03-20 08:55:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-03-20 08:55:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-03-20 08:55:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-03-20 08:55:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-03-20 08:55:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-03-20 08:55:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-03-20 08:55:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-03-20 08:55:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-03-20 08:55:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-03-20 08:55:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-03-20 08:55:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-03-20 08:55:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-03-20 08:55:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-03-20 08:55:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-03-20 08:55:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-03-20 08:55:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-03-20 08:55:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-03-20 08:55:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-03-20 08:55:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-03-20 08:55:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-03-20 08:55:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-03-20 08:55:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-03-20 08:55:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-03-20 08:55:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-03-20 08:55:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-03-20 08:55:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-03-20 08:55:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-03-20 08:55:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-03-20 08:55:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-03-20 08:55:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-03-20 08:55:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-03-20 08:55:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-03-20 08:55:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-03-20 08:55:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-03-20 08:55:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-03-20 08:55:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-03-20 08:55:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-03-20 08:55:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-03-20 08:55:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-03-20 08:55:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-03-20 08:55:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-03-20 08:55:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-03-20 08:55:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-03-20 08:55:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-03-20 08:55:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-03-20 08:55:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-03-20 08:55:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-03-20 08:55:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-03-20 08:55:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-03-20 08:55:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-03-20 08:55:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-03-20 08:55:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-03-20 08:55:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-03-20 08:55:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-03-20 08:55:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2022-03-20 08:55:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-03-20 08:55:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-03-20 08:55:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-03-20 08:55:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2022-03-20 08:55:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2022-03-20 08:55:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2022-03-20 08:55:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2022-03-20 08:55:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-03-20 08:55:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2022-03-20 08:55:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2022-03-20 08:55:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2022-03-20 08:55:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2022-03-20 08:55:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2022-03-20 08:55:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2022-03-20 08:55:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2022-03-20 08:55:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2022-03-20 08:55:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 687 [2022-03-20 08:55:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 696 [2022-03-20 08:55:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2022-03-20 08:55:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 712 [2022-03-20 08:55:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 722 [2022-03-20 08:55:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2022-03-20 08:55:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 740 [2022-03-20 08:55:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2022-03-20 08:55:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2022-03-20 08:55:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2022-03-20 08:55:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2022-03-20 08:55:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2022-03-20 08:55:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 794 [2022-03-20 08:55:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 801 [2022-03-20 08:55:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 811 [2022-03-20 08:55:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 820 [2022-03-20 08:55:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 829 [2022-03-20 08:55:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 838 [2022-03-20 08:55:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 847 [2022-03-20 08:55:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 856 [2022-03-20 08:55:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 865 [2022-03-20 08:55:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2022-03-20 08:55:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 883 [2022-03-20 08:55:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 890 [2022-03-20 08:55:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:13,504 INFO L134 CoverageAnalysis]: Checked inductivity of 49215 backedges. 5484 proven. 261 refuted. 0 times theorem prover too weak. 43470 trivial. 0 not checked. [2022-03-20 08:55:13,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 08:55:13,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252659711] [2022-03-20 08:55:13,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252659711] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 08:55:13,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110720527] [2022-03-20 08:55:13,505 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-20 08:55:13,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 08:55:13,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 08:55:13,506 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 08:55:13,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-20 08:55:13,808 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-20 08:55:13,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-20 08:55:13,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 1917 conjuncts, 21 conjunts are in the unsatisfiable core [2022-03-20 08:55:13,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 08:55:14,876 INFO L134 CoverageAnalysis]: Checked inductivity of 49215 backedges. 20338 proven. 261 refuted. 0 times theorem prover too weak. 28616 trivial. 0 not checked. [2022-03-20 08:55:14,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 08:55:16,122 INFO L134 CoverageAnalysis]: Checked inductivity of 49215 backedges. 13744 proven. 261 refuted. 0 times theorem prover too weak. 35210 trivial. 0 not checked. [2022-03-20 08:55:16,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110720527] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 08:55:16,123 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 08:55:16,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 24 [2022-03-20 08:55:16,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217453125] [2022-03-20 08:55:16,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 08:55:16,124 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-03-20 08:55:16,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 08:55:16,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-03-20 08:55:16,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2022-03-20 08:55:16,125 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) [2022-03-20 08:55:19,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 08:55:19,737 INFO L93 Difference]: Finished difference Result 1567 states and 2244 transitions. [2022-03-20 08:55:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-20 08:55:19,737 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 [2022-03-20 08:55:19,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 08:55:19,741 INFO L225 Difference]: With dead ends: 1567 [2022-03-20 08:55:19,741 INFO L226 Difference]: Without dead ends: 1110 [2022-03-20 08:55:19,742 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 2036 GetRequests, 1993 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=545, Invalid=1347, Unknown=0, NotChecked=0, Total=1892 [2022-03-20 08:55:19,743 INFO L913 BasicCegarLoop]: 37 mSDtfsCounter, 135 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-20 08:55:19,743 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 89 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-20 08:55:19,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2022-03-20 08:55:19,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2022-03-20 08:55:19,937 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) [2022-03-20 08:55:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1548 transitions. [2022-03-20 08:55:19,941 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1548 transitions. Word has length 901 [2022-03-20 08:55:19,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 08:55:19,942 INFO L478 AbstractCegarLoop]: Abstraction has 1110 states and 1548 transitions. [2022-03-20 08:55:19,942 INFO L479 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) [2022-03-20 08:55:19,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1548 transitions. [2022-03-20 08:55:19,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1982 [2022-03-20 08:55:19,965 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 08:55:19,965 INFO L499 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] [2022-03-20 08:55:19,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-20 08:55:20,179 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 08:55:20,180 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 08:55:20,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 08:55:20,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1068413947, now seen corresponding path program 5 times [2022-03-20 08:55:20,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 08:55:20,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432334586] [2022-03-20 08:55:20,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:55:20,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 08:55:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 08:55:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 08:55:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-03-20 08:55:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-03-20 08:55:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-03-20 08:55:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-03-20 08:55:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-03-20 08:55:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-03-20 08:55:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-03-20 08:55:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-03-20 08:55:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-03-20 08:55:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-03-20 08:55:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-03-20 08:55:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-03-20 08:55:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-03-20 08:55:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-03-20 08:55:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-03-20 08:55:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-03-20 08:55:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-03-20 08:55:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-03-20 08:55:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-03-20 08:55:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-03-20 08:55:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-03-20 08:55:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-03-20 08:55:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-03-20 08:55:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-03-20 08:55:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-03-20 08:55:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-03-20 08:55:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-03-20 08:55:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-03-20 08:55:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-03-20 08:55:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-03-20 08:55:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-03-20 08:55:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-03-20 08:55:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-03-20 08:55:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-03-20 08:55:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-03-20 08:55:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-03-20 08:55:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-03-20 08:55:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-03-20 08:55:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-03-20 08:55:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-03-20 08:55:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-03-20 08:55:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-03-20 08:55:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-03-20 08:55:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-03-20 08:55:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-03-20 08:55:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-03-20 08:55:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-03-20 08:55:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-03-20 08:55:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-03-20 08:55:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-03-20 08:55:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-03-20 08:55:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-03-20 08:55:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-03-20 08:55:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-03-20 08:55:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-03-20 08:55:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-03-20 08:55:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-03-20 08:55:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-03-20 08:55:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-03-20 08:55:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2022-03-20 08:55:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-03-20 08:55:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2022-03-20 08:55:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-03-20 08:55:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2022-03-20 08:55:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-03-20 08:55:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-03-20 08:55:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-03-20 08:55:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-03-20 08:55:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-03-20 08:55:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-03-20 08:55:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-03-20 08:55:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-03-20 08:55:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-03-20 08:55:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-03-20 08:55:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-03-20 08:55:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-03-20 08:55:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-03-20 08:55:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-03-20 08:55:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2022-03-20 08:55:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-03-20 08:55:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-03-20 08:55:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2022-03-20 08:55:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-03-20 08:55:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2022-03-20 08:55:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-03-20 08:55:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2022-03-20 08:55:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 788 [2022-03-20 08:55:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 798 [2022-03-20 08:55:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 807 [2022-03-20 08:55:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 816 [2022-03-20 08:55:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 825 [2022-03-20 08:55:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 834 [2022-03-20 08:55:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2022-03-20 08:55:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 852 [2022-03-20 08:55:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 861 [2022-03-20 08:55:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 870 [2022-03-20 08:55:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 879 [2022-03-20 08:55:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 888 [2022-03-20 08:55:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 897 [2022-03-20 08:55:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 906 [2022-03-20 08:55:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 915 [2022-03-20 08:55:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 924 [2022-03-20 08:55:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 933 [2022-03-20 08:55:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 942 [2022-03-20 08:55:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 951 [2022-03-20 08:55:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2022-03-20 08:55:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 969 [2022-03-20 08:55:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 978 [2022-03-20 08:55:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 985 [2022-03-20 08:55:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 995 [2022-03-20 08:55:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2022-03-20 08:55:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1013 [2022-03-20 08:55:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1022 [2022-03-20 08:55:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1031 [2022-03-20 08:55:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1040 [2022-03-20 08:55:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2022-03-20 08:55:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1058 [2022-03-20 08:55:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1067 [2022-03-20 08:55:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1076 [2022-03-20 08:55:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:21,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1085 [2022-03-20 08:55:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2022-03-20 08:55:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1103 [2022-03-20 08:55:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1112 [2022-03-20 08:55:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1121 [2022-03-20 08:55:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1130 [2022-03-20 08:55:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2022-03-20 08:55:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1148 [2022-03-20 08:55:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1157 [2022-03-20 08:55:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1166 [2022-03-20 08:55:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1175 [2022-03-20 08:55:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2022-03-20 08:55:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1192 [2022-03-20 08:55:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1201 [2022-03-20 08:55:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2022-03-20 08:55:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2022-03-20 08:55:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1228 [2022-03-20 08:55:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1237 [2022-03-20 08:55:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1246 [2022-03-20 08:55:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2022-03-20 08:55:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1264 [2022-03-20 08:55:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1273 [2022-03-20 08:55:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1282 [2022-03-20 08:55:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1291 [2022-03-20 08:55:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1300 [2022-03-20 08:55:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1309 [2022-03-20 08:55:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1318 [2022-03-20 08:55:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1327 [2022-03-20 08:55:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1336 [2022-03-20 08:55:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1345 [2022-03-20 08:55:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1354 [2022-03-20 08:55:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1363 [2022-03-20 08:55:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1372 [2022-03-20 08:55:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1379 [2022-03-20 08:55:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1389 [2022-03-20 08:55:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1398 [2022-03-20 08:55:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1407 [2022-03-20 08:55:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1416 [2022-03-20 08:55:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2022-03-20 08:55:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1434 [2022-03-20 08:55:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1443 [2022-03-20 08:55:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1452 [2022-03-20 08:55:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1461 [2022-03-20 08:55:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2022-03-20 08:55:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1479 [2022-03-20 08:55:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1488 [2022-03-20 08:55:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1497 [2022-03-20 08:55:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1506 [2022-03-20 08:55:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2022-03-20 08:55:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1524 [2022-03-20 08:55:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1533 [2022-03-20 08:55:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1542 [2022-03-20 08:55:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1551 [2022-03-20 08:55:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2022-03-20 08:55:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1569 [2022-03-20 08:55:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1576 [2022-03-20 08:55:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1586 [2022-03-20 08:55:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1595 [2022-03-20 08:55:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1604 [2022-03-20 08:55:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1613 [2022-03-20 08:55:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1622 [2022-03-20 08:55:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1631 [2022-03-20 08:55:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1640 [2022-03-20 08:55:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1649 [2022-03-20 08:55:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1658 [2022-03-20 08:55:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1667 [2022-03-20 08:55:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1676 [2022-03-20 08:55:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1685 [2022-03-20 08:55:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1694 [2022-03-20 08:55:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1703 [2022-03-20 08:55:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1712 [2022-03-20 08:55:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1721 [2022-03-20 08:55:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1730 [2022-03-20 08:55:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1739 [2022-03-20 08:55:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1748 [2022-03-20 08:55:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1757 [2022-03-20 08:55:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1766 [2022-03-20 08:55:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1773 [2022-03-20 08:55:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1783 [2022-03-20 08:55:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1792 [2022-03-20 08:55:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1801 [2022-03-20 08:55:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1810 [2022-03-20 08:55:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1819 [2022-03-20 08:55:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1828 [2022-03-20 08:55:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1837 [2022-03-20 08:55:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1846 [2022-03-20 08:55:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1855 [2022-03-20 08:55:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1864 [2022-03-20 08:55:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1873 [2022-03-20 08:55:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1882 [2022-03-20 08:55:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1891 [2022-03-20 08:55:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1900 [2022-03-20 08:55:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1909 [2022-03-20 08:55:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1918 [2022-03-20 08:55:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1927 [2022-03-20 08:55:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1936 [2022-03-20 08:55:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1945 [2022-03-20 08:55:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1954 [2022-03-20 08:55:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1963 [2022-03-20 08:55:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1970 [2022-03-20 08:55:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:55:22,166 INFO L134 CoverageAnalysis]: Checked inductivity of 252915 backedges. 28620 proven. 1491 refuted. 0 times theorem prover too weak. 222804 trivial. 0 not checked. [2022-03-20 08:55:22,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 08:55:22,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432334586] [2022-03-20 08:55:22,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432334586] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 08:55:22,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916428562] [2022-03-20 08:55:22,167 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-20 08:55:22,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 08:55:22,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 08:55:22,168 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 08:55:22,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-20 08:57:56,853 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2022-03-20 08:57:56,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-20 08:57:56,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 45 conjunts are in the unsatisfiable core [2022-03-20 08:57:56,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 08:57:59,323 INFO L134 CoverageAnalysis]: Checked inductivity of 252915 backedges. 83776 proven. 1491 refuted. 0 times theorem prover too weak. 167648 trivial. 0 not checked. [2022-03-20 08:57:59,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 08:58:02,160 INFO L134 CoverageAnalysis]: Checked inductivity of 252915 backedges. 53686 proven. 1491 refuted. 0 times theorem prover too weak. 197738 trivial. 0 not checked. [2022-03-20 08:58:02,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916428562] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 08:58:02,160 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 08:58:02,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 24] total 48 [2022-03-20 08:58:02,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442145797] [2022-03-20 08:58:02,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 08:58:02,163 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-03-20 08:58:02,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 08:58:02,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-03-20 08:58:02,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=1635, Unknown=0, NotChecked=0, Total=2256 [2022-03-20 08:58:02,165 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) [2022-03-20 08:59:30,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 08:59:30,607 INFO L93 Difference]: Finished difference Result 3307 states and 4740 transitions. [2022-03-20 08:59:30,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-20 08:59:30,608 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 [2022-03-20 08:59:30,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 08:59:30,615 INFO L225 Difference]: With dead ends: 3307 [2022-03-20 08:59:30,615 INFO L226 Difference]: Without dead ends: 2310 [2022-03-20 08:59:30,618 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4472 GetRequests, 4381 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1017 ImplicationChecksByTransitivity, 87.3s TimeCoverageRelationStatistics Valid=2249, Invalid=6123, Unknown=0, NotChecked=0, Total=8372 [2022-03-20 08:59:30,619 INFO L913 BasicCegarLoop]: 61 mSDtfsCounter, 345 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 3675 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-03-20 08:59:30,619 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 188 Invalid, 3913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 3675 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-20 08:59:30,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2310 states. [2022-03-20 08:59:31,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2310 to 2310. [2022-03-20 08:59:31,029 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) [2022-03-20 08:59:31,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 2310 states and 3228 transitions. [2022-03-20 08:59:31,037 INFO L78 Accepts]: Start accepts. Automaton has 2310 states and 3228 transitions. Word has length 1981 [2022-03-20 08:59:31,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 08:59:31,039 INFO L478 AbstractCegarLoop]: Abstraction has 2310 states and 3228 transitions. [2022-03-20 08:59:31,039 INFO L479 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) [2022-03-20 08:59:31,039 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 3228 transitions. [2022-03-20 08:59:31,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4142 [2022-03-20 08:59:31,123 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 08:59:31,124 INFO L499 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] [2022-03-20 08:59:31,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-03-20 08:59:31,343 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-03-20 08:59:31,343 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 08:59:31,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 08:59:31,344 INFO L85 PathProgramCache]: Analyzing trace with hash 184642555, now seen corresponding path program 6 times [2022-03-20 08:59:31,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 08:59:31,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550578326] [2022-03-20 08:59:31,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:59:31,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 08:59:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 08:59:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 08:59:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-03-20 08:59:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-03-20 08:59:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-03-20 08:59:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-03-20 08:59:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-03-20 08:59:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-03-20 08:59:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-03-20 08:59:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-03-20 08:59:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-03-20 08:59:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-03-20 08:59:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-03-20 08:59:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-03-20 08:59:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-03-20 08:59:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-03-20 08:59:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-03-20 08:59:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-03-20 08:59:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-03-20 08:59:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-03-20 08:59:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-03-20 08:59:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-03-20 08:59:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-03-20 08:59:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-03-20 08:59:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-03-20 08:59:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-03-20 08:59:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-03-20 08:59:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-03-20 08:59:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-03-20 08:59:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-03-20 08:59:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-03-20 08:59:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-03-20 08:59:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-03-20 08:59:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-03-20 08:59:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-03-20 08:59:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-03-20 08:59:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-03-20 08:59:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-03-20 08:59:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-03-20 08:59:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-03-20 08:59:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-03-20 08:59:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-03-20 08:59:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-03-20 08:59:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-03-20 08:59:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-03-20 08:59:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-03-20 08:59:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-03-20 08:59:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-03-20 08:59:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-03-20 08:59:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-03-20 08:59:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-03-20 08:59:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-03-20 08:59:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-03-20 08:59:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-03-20 08:59:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-03-20 08:59:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-03-20 08:59:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-03-20 08:59:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-03-20 08:59:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-03-20 08:59:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-03-20 08:59:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-03-20 08:59:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2022-03-20 08:59:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2022-03-20 08:59:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2022-03-20 08:59:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-03-20 08:59:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:36,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-03-20 08:59:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2022-03-20 08:59:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2022-03-20 08:59:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-03-20 08:59:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2022-03-20 08:59:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2022-03-20 08:59:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2022-03-20 08:59:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2022-03-20 08:59:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2022-03-20 08:59:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2022-03-20 08:59:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2022-03-20 08:59:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 684 [2022-03-20 08:59:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2022-03-20 08:59:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2022-03-20 08:59:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2022-03-20 08:59:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2022-03-20 08:59:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 729 [2022-03-20 08:59:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 738 [2022-03-20 08:59:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 747 [2022-03-20 08:59:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 756 [2022-03-20 08:59:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 765 [2022-03-20 08:59:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 774 [2022-03-20 08:59:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 783 [2022-03-20 08:59:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 792 [2022-03-20 08:59:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 801 [2022-03-20 08:59:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 810 [2022-03-20 08:59:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 819 [2022-03-20 08:59:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-03-20 08:59:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2022-03-20 08:59:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2022-03-20 08:59:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2022-03-20 08:59:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2022-03-20 08:59:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 872 [2022-03-20 08:59:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2022-03-20 08:59:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 890 [2022-03-20 08:59:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2022-03-20 08:59:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 908 [2022-03-20 08:59:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2022-03-20 08:59:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2022-03-20 08:59:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 935 [2022-03-20 08:59:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2022-03-20 08:59:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 953 [2022-03-20 08:59:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2022-03-20 08:59:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 971 [2022-03-20 08:59:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2022-03-20 08:59:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2022-03-20 08:59:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2022-03-20 08:59:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1007 [2022-03-20 08:59:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2022-03-20 08:59:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1025 [2022-03-20 08:59:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2022-03-20 08:59:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1043 [2022-03-20 08:59:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1052 [2022-03-20 08:59:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1061 [2022-03-20 08:59:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1070 [2022-03-20 08:59:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2022-03-20 08:59:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1088 [2022-03-20 08:59:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1097 [2022-03-20 08:59:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1106 [2022-03-20 08:59:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2022-03-20 08:59:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2022-03-20 08:59:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1133 [2022-03-20 08:59:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1142 [2022-03-20 08:59:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1151 [2022-03-20 08:59:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1160 [2022-03-20 08:59:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2022-03-20 08:59:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1178 [2022-03-20 08:59:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1187 [2022-03-20 08:59:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1196 [2022-03-20 08:59:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1205 [2022-03-20 08:59:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2022-03-20 08:59:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1223 [2022-03-20 08:59:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1232 [2022-03-20 08:59:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1239 [2022-03-20 08:59:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1249 [2022-03-20 08:59:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1258 [2022-03-20 08:59:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2022-03-20 08:59:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2022-03-20 08:59:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1285 [2022-03-20 08:59:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1294 [2022-03-20 08:59:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1303 [2022-03-20 08:59:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1312 [2022-03-20 08:59:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1321 [2022-03-20 08:59:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2022-03-20 08:59:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1339 [2022-03-20 08:59:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1348 [2022-03-20 08:59:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1357 [2022-03-20 08:59:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1366 [2022-03-20 08:59:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2022-03-20 08:59:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1384 [2022-03-20 08:59:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1393 [2022-03-20 08:59:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1402 [2022-03-20 08:59:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1411 [2022-03-20 08:59:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1420 [2022-03-20 08:59:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1429 [2022-03-20 08:59:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1438 [2022-03-20 08:59:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1447 [2022-03-20 08:59:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1456 [2022-03-20 08:59:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1465 [2022-03-20 08:59:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1474 [2022-03-20 08:59:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1483 [2022-03-20 08:59:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1492 [2022-03-20 08:59:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1501 [2022-03-20 08:59:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1510 [2022-03-20 08:59:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1519 [2022-03-20 08:59:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1528 [2022-03-20 08:59:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2022-03-20 08:59:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1546 [2022-03-20 08:59:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1555 [2022-03-20 08:59:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1564 [2022-03-20 08:59:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1573 [2022-03-20 08:59:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1582 [2022-03-20 08:59:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1591 [2022-03-20 08:59:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1600 [2022-03-20 08:59:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1609 [2022-03-20 08:59:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1618 [2022-03-20 08:59:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1627 [2022-03-20 08:59:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1636 [2022-03-20 08:59:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1645 [2022-03-20 08:59:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1652 [2022-03-20 08:59:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2022-03-20 08:59:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1671 [2022-03-20 08:59:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1680 [2022-03-20 08:59:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1689 [2022-03-20 08:59:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1698 [2022-03-20 08:59:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1707 [2022-03-20 08:59:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1716 [2022-03-20 08:59:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1725 [2022-03-20 08:59:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1734 [2022-03-20 08:59:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1743 [2022-03-20 08:59:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1752 [2022-03-20 08:59:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1761 [2022-03-20 08:59:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1770 [2022-03-20 08:59:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1779 [2022-03-20 08:59:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1788 [2022-03-20 08:59:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1797 [2022-03-20 08:59:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1806 [2022-03-20 08:59:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1815 [2022-03-20 08:59:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1824 [2022-03-20 08:59:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1833 [2022-03-20 08:59:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1842 [2022-03-20 08:59:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1851 [2022-03-20 08:59:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1860 [2022-03-20 08:59:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1869 [2022-03-20 08:59:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1878 [2022-03-20 08:59:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1887 [2022-03-20 08:59:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1896 [2022-03-20 08:59:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1905 [2022-03-20 08:59:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1914 [2022-03-20 08:59:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1923 [2022-03-20 08:59:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1932 [2022-03-20 08:59:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1941 [2022-03-20 08:59:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1950 [2022-03-20 08:59:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1959 [2022-03-20 08:59:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1968 [2022-03-20 08:59:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1977 [2022-03-20 08:59:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1986 [2022-03-20 08:59:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1995 [2022-03-20 08:59:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2004 [2022-03-20 08:59:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2013 [2022-03-20 08:59:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2022 [2022-03-20 08:59:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2031 [2022-03-20 08:59:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2040 [2022-03-20 08:59:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2049 [2022-03-20 08:59:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2058 [2022-03-20 08:59:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2065 [2022-03-20 08:59:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2075 [2022-03-20 08:59:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2084 [2022-03-20 08:59:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2093 [2022-03-20 08:59:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2102 [2022-03-20 08:59:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2111 [2022-03-20 08:59:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2120 [2022-03-20 08:59:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2129 [2022-03-20 08:59:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2138 [2022-03-20 08:59:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2147 [2022-03-20 08:59:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2156 [2022-03-20 08:59:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2165 [2022-03-20 08:59:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2174 [2022-03-20 08:59:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2183 [2022-03-20 08:59:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2192 [2022-03-20 08:59:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2201 [2022-03-20 08:59:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2210 [2022-03-20 08:59:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2219 [2022-03-20 08:59:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2228 [2022-03-20 08:59:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2237 [2022-03-20 08:59:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2246 [2022-03-20 08:59:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2255 [2022-03-20 08:59:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2264 [2022-03-20 08:59:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2273 [2022-03-20 08:59:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2282 [2022-03-20 08:59:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2291 [2022-03-20 08:59:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2300 [2022-03-20 08:59:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2309 [2022-03-20 08:59:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2318 [2022-03-20 08:59:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2327 [2022-03-20 08:59:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2336 [2022-03-20 08:59:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2345 [2022-03-20 08:59:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2354 [2022-03-20 08:59:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2363 [2022-03-20 08:59:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2372 [2022-03-20 08:59:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2381 [2022-03-20 08:59:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2390 [2022-03-20 08:59:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2399 [2022-03-20 08:59:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2408 [2022-03-20 08:59:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2417 [2022-03-20 08:59:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2426 [2022-03-20 08:59:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2435 [2022-03-20 08:59:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2444 [2022-03-20 08:59:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2453 [2022-03-20 08:59:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2462 [2022-03-20 08:59:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2471 [2022-03-20 08:59:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2478 [2022-03-20 08:59:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2488 [2022-03-20 08:59:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2497 [2022-03-20 08:59:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2506 [2022-03-20 08:59:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2515 [2022-03-20 08:59:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2524 [2022-03-20 08:59:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2533 [2022-03-20 08:59:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2542 [2022-03-20 08:59:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2551 [2022-03-20 08:59:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2560 [2022-03-20 08:59:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2569 [2022-03-20 08:59:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2578 [2022-03-20 08:59:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2587 [2022-03-20 08:59:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2596 [2022-03-20 08:59:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2605 [2022-03-20 08:59:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2614 [2022-03-20 08:59:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2623 [2022-03-20 08:59:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2632 [2022-03-20 08:59:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2641 [2022-03-20 08:59:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2650 [2022-03-20 08:59:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2659 [2022-03-20 08:59:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2668 [2022-03-20 08:59:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2677 [2022-03-20 08:59:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2686 [2022-03-20 08:59:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2695 [2022-03-20 08:59:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2704 [2022-03-20 08:59:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2713 [2022-03-20 08:59:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2722 [2022-03-20 08:59:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2731 [2022-03-20 08:59:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2740 [2022-03-20 08:59:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2749 [2022-03-20 08:59:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2758 [2022-03-20 08:59:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2767 [2022-03-20 08:59:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2776 [2022-03-20 08:59:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2785 [2022-03-20 08:59:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2794 [2022-03-20 08:59:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2803 [2022-03-20 08:59:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2812 [2022-03-20 08:59:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2821 [2022-03-20 08:59:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2830 [2022-03-20 08:59:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2839 [2022-03-20 08:59:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2848 [2022-03-20 08:59:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2857 [2022-03-20 08:59:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2866 [2022-03-20 08:59:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2875 [2022-03-20 08:59:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2884 [2022-03-20 08:59:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2891 [2022-03-20 08:59:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2901 [2022-03-20 08:59:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2910 [2022-03-20 08:59:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2919 [2022-03-20 08:59:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2928 [2022-03-20 08:59:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2937 [2022-03-20 08:59:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2946 [2022-03-20 08:59:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2955 [2022-03-20 08:59:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2964 [2022-03-20 08:59:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2973 [2022-03-20 08:59:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2982 [2022-03-20 08:59:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2991 [2022-03-20 08:59:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3000 [2022-03-20 08:59:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3009 [2022-03-20 08:59:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3018 [2022-03-20 08:59:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3027 [2022-03-20 08:59:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3036 [2022-03-20 08:59:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3045 [2022-03-20 08:59:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3054 [2022-03-20 08:59:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3063 [2022-03-20 08:59:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3072 [2022-03-20 08:59:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3081 [2022-03-20 08:59:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3090 [2022-03-20 08:59:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3099 [2022-03-20 08:59:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3108 [2022-03-20 08:59:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3117 [2022-03-20 08:59:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3126 [2022-03-20 08:59:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3135 [2022-03-20 08:59:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3144 [2022-03-20 08:59:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3153 [2022-03-20 08:59:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3162 [2022-03-20 08:59:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3171 [2022-03-20 08:59:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3180 [2022-03-20 08:59:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3189 [2022-03-20 08:59:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3198 [2022-03-20 08:59:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3207 [2022-03-20 08:59:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3216 [2022-03-20 08:59:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3225 [2022-03-20 08:59:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3234 [2022-03-20 08:59:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3243 [2022-03-20 08:59:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3252 [2022-03-20 08:59:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3261 [2022-03-20 08:59:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3270 [2022-03-20 08:59:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3279 [2022-03-20 08:59:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3288 [2022-03-20 08:59:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3297 [2022-03-20 08:59:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3304 [2022-03-20 08:59:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3314 [2022-03-20 08:59:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3323 [2022-03-20 08:59:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3332 [2022-03-20 08:59:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3341 [2022-03-20 08:59:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3350 [2022-03-20 08:59:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3359 [2022-03-20 08:59:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3368 [2022-03-20 08:59:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3377 [2022-03-20 08:59:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3386 [2022-03-20 08:59:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3395 [2022-03-20 08:59:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3404 [2022-03-20 08:59:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3413 [2022-03-20 08:59:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3422 [2022-03-20 08:59:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3431 [2022-03-20 08:59:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3440 [2022-03-20 08:59:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3449 [2022-03-20 08:59:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3458 [2022-03-20 08:59:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3467 [2022-03-20 08:59:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3476 [2022-03-20 08:59:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3485 [2022-03-20 08:59:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3494 [2022-03-20 08:59:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3503 [2022-03-20 08:59:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3512 [2022-03-20 08:59:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3521 [2022-03-20 08:59:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3530 [2022-03-20 08:59:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3539 [2022-03-20 08:59:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3548 [2022-03-20 08:59:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3557 [2022-03-20 08:59:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3566 [2022-03-20 08:59:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3575 [2022-03-20 08:59:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3584 [2022-03-20 08:59:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3593 [2022-03-20 08:59:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3602 [2022-03-20 08:59:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3611 [2022-03-20 08:59:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3620 [2022-03-20 08:59:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3629 [2022-03-20 08:59:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3638 [2022-03-20 08:59:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3647 [2022-03-20 08:59:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3656 [2022-03-20 08:59:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3665 [2022-03-20 08:59:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3674 [2022-03-20 08:59:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3683 [2022-03-20 08:59:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3692 [2022-03-20 08:59:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3701 [2022-03-20 08:59:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3710 [2022-03-20 08:59:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3717 [2022-03-20 08:59:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3727 [2022-03-20 08:59:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3736 [2022-03-20 08:59:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3745 [2022-03-20 08:59:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3754 [2022-03-20 08:59:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3763 [2022-03-20 08:59:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3772 [2022-03-20 08:59:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3781 [2022-03-20 08:59:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3790 [2022-03-20 08:59:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3799 [2022-03-20 08:59:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3808 [2022-03-20 08:59:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3817 [2022-03-20 08:59:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3826 [2022-03-20 08:59:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3835 [2022-03-20 08:59:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3844 [2022-03-20 08:59:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3853 [2022-03-20 08:59:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3862 [2022-03-20 08:59:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3871 [2022-03-20 08:59:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3880 [2022-03-20 08:59:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3889 [2022-03-20 08:59:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3898 [2022-03-20 08:59:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3907 [2022-03-20 08:59:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3916 [2022-03-20 08:59:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3925 [2022-03-20 08:59:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3934 [2022-03-20 08:59:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3943 [2022-03-20 08:59:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3952 [2022-03-20 08:59:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3961 [2022-03-20 08:59:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3970 [2022-03-20 08:59:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3979 [2022-03-20 08:59:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3988 [2022-03-20 08:59:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3997 [2022-03-20 08:59:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4006 [2022-03-20 08:59:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4015 [2022-03-20 08:59:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4024 [2022-03-20 08:59:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4033 [2022-03-20 08:59:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4042 [2022-03-20 08:59:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4051 [2022-03-20 08:59:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4060 [2022-03-20 08:59:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4069 [2022-03-20 08:59:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4078 [2022-03-20 08:59:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4087 [2022-03-20 08:59:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4096 [2022-03-20 08:59:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4105 [2022-03-20 08:59:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4114 [2022-03-20 08:59:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4123 [2022-03-20 08:59:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4130 [2022-03-20 08:59:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:59:37,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1135515 backedges. 129324 proven. 6975 refuted. 0 times theorem prover too weak. 999216 trivial. 0 not checked. [2022-03-20 08:59:37,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 08:59:37,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550578326] [2022-03-20 08:59:37,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550578326] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 08:59:37,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475714529] [2022-03-20 08:59:37,675 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-20 08:59:37,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 08:59:37,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 08:59:37,676 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 08:59:37,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process