/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/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/float-benchs/feedback_diverge.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:39:12,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:39:12,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:39:12,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:39:12,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:39:12,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:39:12,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:39:12,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:39:12,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:39:12,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:39:12,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:39:12,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:39:12,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:39:12,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:39:12,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:39:12,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:39:12,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:39:12,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:39:12,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:39:12,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:39:12,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:39:12,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:39:12,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:39:12,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:39:12,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 16:39:12,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:39:12,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:39:12,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:39:12,730 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:39:12,738 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:39:12,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:39:12,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:39:12,740 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:39:12,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:39:12,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:39:12,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:39:12,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:39:12,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:39:12,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:39:12,741 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:39:12,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:39:12,741 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:39:12,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:39:12,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:39:12,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:39:12,742 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:39:12,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:39:12,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:39:12,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:39:12,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:39:12,743 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:39:12,743 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:39:12,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:39:12,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:39:12,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:39:12,961 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:39:12,961 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:39:12,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/feedback_diverge.c [2022-01-31 16:39:13,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35bf4583f/decf5003e9a44647a47da68400665618/FLAGd3bd98f3d [2022-01-31 16:39:13,332 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:39:13,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/feedback_diverge.c [2022-01-31 16:39:13,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35bf4583f/decf5003e9a44647a47da68400665618/FLAGd3bd98f3d [2022-01-31 16:39:13,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35bf4583f/decf5003e9a44647a47da68400665618 [2022-01-31 16:39:13,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:39:13,347 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:39:13,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:39:13,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:39:13,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:39:13,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:39:13" (1/1) ... [2022-01-31 16:39:13,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a5fc05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:39:13, skipping insertion in model container [2022-01-31 16:39:13,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:39:13" (1/1) ... [2022-01-31 16:39:13,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:39:13,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:39:13,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/feedback_diverge.c[626,639] [2022-01-31 16:39:13,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:39:13,551 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:39:13,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/feedback_diverge.c[626,639] [2022-01-31 16:39:13,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:39:13,577 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:39:13,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:39:13 WrapperNode [2022-01-31 16:39:13,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:39:13,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:39:13,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:39:13,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:39:13,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:39:13" (1/1) ... [2022-01-31 16:39:13,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:39:13" (1/1) ... [2022-01-31 16:39:13,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:39:13" (1/1) ... [2022-01-31 16:39:13,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:39:13" (1/1) ... [2022-01-31 16:39:13,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:39:13" (1/1) ... [2022-01-31 16:39:13,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:39:13" (1/1) ... [2022-01-31 16:39:13,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:39:13" (1/1) ... [2022-01-31 16:39:13,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:39:13,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:39:13,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:39:13,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:39:13,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:39:13" (1/1) ... [2022-01-31 16:39:13,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:39:13,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:39:13,648 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) [2022-01-31 16:39:13,667 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 [2022-01-31 16:39:13,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:39:13,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:39:13,681 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:39:13,681 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-31 16:39:13,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-31 16:39:13,681 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_clock [2022-01-31 16:39:13,681 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:39:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:39:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:39:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:39:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:39:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-01-31 16:39:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-01-31 16:39:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-31 16:39:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 16:39:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_clock [2022-01-31 16:39:13,684 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:39:13,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:39:13,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:39:13,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:39:13,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:39:13,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:39:13,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:39:13,732 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:39:13,733 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:39:13,869 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:39:13,873 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:39:13,873 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-31 16:39:13,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:39:13 BoogieIcfgContainer [2022-01-31 16:39:13,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:39:13,875 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:39:13,875 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:39:13,900 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:39:13,903 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:39:13" (1/1) ... [2022-01-31 16:39:13,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:39:13 BasicIcfg [2022-01-31 16:39:13,923 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:39:13,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:39:13,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:39:13,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:39:13,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:39:13" (1/4) ... [2022-01-31 16:39:13,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38e221bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:39:13, skipping insertion in model container [2022-01-31 16:39:13,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:39:13" (2/4) ... [2022-01-31 16:39:13,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38e221bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:39:13, skipping insertion in model container [2022-01-31 16:39:13,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:39:13" (3/4) ... [2022-01-31 16:39:13,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38e221bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:39:13, skipping insertion in model container [2022-01-31 16:39:13,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:39:13" (4/4) ... [2022-01-31 16:39:13,931 INFO L111 eAbstractionObserver]: Analyzing ICFG feedback_diverge.cJordan [2022-01-31 16:39:13,935 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:39:13,935 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:39:13,967 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:39:13,971 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-31 16:39:13,971 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:39:13,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-01-31 16:39:13,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-31 16:39:13,986 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:39:13,987 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:39:13,987 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:39:13,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:39:13,990 INFO L85 PathProgramCache]: Analyzing trace with hash 428519887, now seen corresponding path program 1 times [2022-01-31 16:39:13,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:39:13,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2272084] [2022-01-31 16:39:13,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:39:13,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:39:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:14,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:39:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:14,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:39:14,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:39:14,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2272084] [2022-01-31 16:39:14,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2272084] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:39:14,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:39:14,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-31 16:39:14,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725875331] [2022-01-31 16:39:14,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:39:14,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-31 16:39:14,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:39:14,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-31 16:39:14,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-31 16:39:14,167 INFO L87 Difference]: Start difference. First operand has 30 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 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) [2022-01-31 16:39:14,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:39:14,205 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2022-01-31 16:39:14,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-31 16:39:14,209 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 [2022-01-31 16:39:14,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:39:14,215 INFO L225 Difference]: With dead ends: 30 [2022-01-31 16:39:14,216 INFO L226 Difference]: Without dead ends: 23 [2022-01-31 16:39:14,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-31 16:39:14,220 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 18 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-31 16:39:14,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 31 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-31 16:39:14,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-01-31 16:39:14,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-01-31 16:39:14,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 15 states have internal predecessors, (16), 5 states have call successors, (5), 5 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 16:39:14,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2022-01-31 16:39:14,244 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 11 [2022-01-31 16:39:14,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:39:14,245 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2022-01-31 16:39:14,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:39:14,245 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2022-01-31 16:39:14,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-31 16:39:14,246 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:39:14,246 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:39:14,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:39:14,246 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:39:14,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:39:14,248 INFO L85 PathProgramCache]: Analyzing trace with hash 429443408, now seen corresponding path program 1 times [2022-01-31 16:39:14,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:39:14,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498656545] [2022-01-31 16:39:14,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:39:14,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:39:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:14,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:39:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:14,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:39:14,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:39:14,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498656545] [2022-01-31 16:39:14,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498656545] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:39:14,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:39:14,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:39:14,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319964688] [2022-01-31 16:39:14,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:39:14,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:39:14,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:39:14,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:39:14,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:39:14,320 INFO L87 Difference]: Start difference. First operand 23 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) [2022-01-31 16:39:14,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:39:14,377 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-01-31 16:39:14,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 16:39:14,378 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 [2022-01-31 16:39:14,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:39:14,380 INFO L225 Difference]: With dead ends: 29 [2022-01-31 16:39:14,380 INFO L226 Difference]: Without dead ends: 29 [2022-01-31 16:39:14,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:39:14,384 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 22 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-31 16:39:14,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 27 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-31 16:39:14,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-01-31 16:39:14,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 24. [2022-01-31 16:39:14,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 5 states have call successors, (5), 5 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 16:39:14,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2022-01-31 16:39:14,393 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 11 [2022-01-31 16:39:14,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:39:14,394 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2022-01-31 16:39:14,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 16:39:14,397 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2022-01-31 16:39:14,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-01-31 16:39:14,401 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:39:14,401 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:39:14,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:39:14,402 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:39:14,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:39:14,402 INFO L85 PathProgramCache]: Analyzing trace with hash 829358016, now seen corresponding path program 1 times [2022-01-31 16:39:14,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:39:14,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302067740] [2022-01-31 16:39:14,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:39:14,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:39:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:14,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:39:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:14,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-01-31 16:39:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:14,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:39:14,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:39:14,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302067740] [2022-01-31 16:39:14,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302067740] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-31 16:39:14,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983908918] [2022-01-31 16:39:14,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:39:14,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:39:14,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:39:14,474 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) [2022-01-31 16:39:14,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-31 16:39:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:14,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-31 16:39:14,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-31 16:39:14,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:39:14,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-31 16:39:14,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:39:14,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983908918] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-31 16:39:14,719 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-31 16:39:14,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-01-31 16:39:14,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696713285] [2022-01-31 16:39:14,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-31 16:39:14,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-31 16:39:14,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:39:14,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-31 16:39:14,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-31 16:39:14,723 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 5 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-31 16:39:14,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:39:14,857 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2022-01-31 16:39:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-31 16:39:14,858 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 5 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 18 [2022-01-31 16:39:14,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:39:14,860 INFO L225 Difference]: With dead ends: 42 [2022-01-31 16:39:14,860 INFO L226 Difference]: Without dead ends: 42 [2022-01-31 16:39:14,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2022-01-31 16:39:14,862 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 44 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 16:39:14,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 37 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 16:39:14,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-01-31 16:39:14,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-01-31 16:39:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 31 states have internal predecessors, (32), 11 states have call successors, (11), 5 states have call predecessors, (11), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-31 16:39:14,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2022-01-31 16:39:14,867 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 52 transitions. Word has length 18 [2022-01-31 16:39:14,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:39:14,867 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 52 transitions. [2022-01-31 16:39:14,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 5 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-31 16:39:14,868 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2022-01-31 16:39:14,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-31 16:39:14,869 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:39:14,869 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:39:14,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-01-31 16:39:15,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:39:15,076 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:39:15,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:39:15,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1247481168, now seen corresponding path program 2 times [2022-01-31 16:39:15,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:39:15,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820319674] [2022-01-31 16:39:15,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:39:15,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:39:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:15,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:39:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:15,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-01-31 16:39:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:15,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 16:39:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:15,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-31 16:39:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:15,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-01-31 16:39:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-01-31 16:39:15,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:39:15,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820319674] [2022-01-31 16:39:15,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820319674] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-31 16:39:15,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961442082] [2022-01-31 16:39:15,153 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-31 16:39:15,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:39:15,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:39:15,154 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) [2022-01-31 16:39:15,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-31 16:39:15,196 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-31 16:39:15,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-31 16:39:15,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-31 16:39:15,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-31 16:39:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-01-31 16:39:15,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-31 16:39:15,420 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-01-31 16:39:15,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961442082] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-31 16:39:15,420 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-31 16:39:15,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2022-01-31 16:39:15,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275901422] [2022-01-31 16:39:15,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-31 16:39:15,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-31 16:39:15,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:39:15,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-31 16:39:15,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-01-31 16:39:15,427 INFO L87 Difference]: Start difference. First operand 42 states and 52 transitions. Second operand has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 11 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-01-31 16:39:15,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:39:15,674 INFO L93 Difference]: Finished difference Result 78 states and 106 transitions. [2022-01-31 16:39:15,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-31 16:39:15,675 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 11 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 39 [2022-01-31 16:39:15,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:39:15,676 INFO L225 Difference]: With dead ends: 78 [2022-01-31 16:39:15,676 INFO L226 Difference]: Without dead ends: 78 [2022-01-31 16:39:15,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=211, Invalid=341, Unknown=0, NotChecked=0, Total=552 [2022-01-31 16:39:15,676 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 112 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 16:39:15,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 42 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 16:39:15,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-01-31 16:39:15,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-01-31 16:39:15,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 61 states have internal predecessors, (62), 23 states have call successors, (23), 5 states have call predecessors, (23), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2022-01-31 16:39:15,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 106 transitions. [2022-01-31 16:39:15,683 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 106 transitions. Word has length 39 [2022-01-31 16:39:15,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:39:15,684 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 106 transitions. [2022-01-31 16:39:15,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 11 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-01-31 16:39:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2022-01-31 16:39:15,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-31 16:39:15,685 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:39:15,686 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:39:15,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-31 16:39:15,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-01-31 16:39:15,900 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:39:15,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:39:15,900 INFO L85 PathProgramCache]: Analyzing trace with hash 737948496, now seen corresponding path program 3 times [2022-01-31 16:39:15,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:39:15,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218140230] [2022-01-31 16:39:15,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:39:15,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:39:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:16,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:39:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:16,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-01-31 16:39:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:16,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 16:39:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:16,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-31 16:39:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:16,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-01-31 16:39:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:16,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-31 16:39:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:16,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-01-31 16:39:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:16,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-01-31 16:39:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:16,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-01-31 16:39:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:16,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-01-31 16:39:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:16,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-01-31 16:39:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-01-31 16:39:16,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:39:16,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218140230] [2022-01-31 16:39:16,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218140230] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-31 16:39:16,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257557249] [2022-01-31 16:39:16,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-31 16:39:16,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:39:16,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:39:16,080 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) [2022-01-31 16:39:16,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-31 16:39:16,125 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-01-31 16:39:16,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-31 16:39:16,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 12 conjunts are in the unsatisfiable core [2022-01-31 16:39:16,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-31 16:39:16,262 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-01-31 16:39:16,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-31 16:39:16,526 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-01-31 16:39:16,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257557249] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-31 16:39:16,526 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-31 16:39:16,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 26 [2022-01-31 16:39:16,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102035014] [2022-01-31 16:39:16,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-31 16:39:16,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-31 16:39:16,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:39:16,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-31 16:39:16,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2022-01-31 16:39:16,528 INFO L87 Difference]: Start difference. First operand 78 states and 106 transitions. Second operand has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 25 states have internal predecessors, (96), 23 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-01-31 16:39:17,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:39:17,101 INFO L93 Difference]: Finished difference Result 150 states and 214 transitions. [2022-01-31 16:39:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-31 16:39:17,102 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 25 states have internal predecessors, (96), 23 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Word has length 81 [2022-01-31 16:39:17,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:39:17,106 INFO L225 Difference]: With dead ends: 150 [2022-01-31 16:39:17,106 INFO L226 Difference]: Without dead ends: 150 [2022-01-31 16:39:17,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=853, Invalid=1403, Unknown=0, NotChecked=0, Total=2256 [2022-01-31 16:39:17,108 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 214 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:39:17,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 57 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-31 16:39:17,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-01-31 16:39:17,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-01-31 16:39:17,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 99 states have (on average 1.2323232323232323) internal successors, (122), 121 states have internal predecessors, (122), 47 states have call successors, (47), 5 states have call predecessors, (47), 3 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-01-31 16:39:17,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 214 transitions. [2022-01-31 16:39:17,119 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 214 transitions. Word has length 81 [2022-01-31 16:39:17,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:39:17,120 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 214 transitions. [2022-01-31 16:39:17,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 25 states have internal predecessors, (96), 23 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-01-31 16:39:17,120 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 214 transitions. [2022-01-31 16:39:17,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-01-31 16:39:17,123 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:39:17,123 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:39:17,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-31 16:39:17,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:39:17,324 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:39:17,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:39:17,325 INFO L85 PathProgramCache]: Analyzing trace with hash -2110783664, now seen corresponding path program 4 times [2022-01-31 16:39:17,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:39:17,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370291060] [2022-01-31 16:39:17,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:39:17,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:39:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:39:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-01-31 16:39:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 16:39:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-31 16:39:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-01-31 16:39:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-31 16:39:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-01-31 16:39:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-01-31 16:39:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-01-31 16:39:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-01-31 16:39:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-01-31 16:39:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 16:39:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-01-31 16:39:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-01-31 16:39:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-01-31 16:39:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-01-31 16:39:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-01-31 16:39:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-01-31 16:39:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-01-31 16:39:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-01-31 16:39:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 16:39:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-01-31 16:39:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-01-31 16:39:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1639 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-01-31 16:39:17,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:39:17,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370291060] [2022-01-31 16:39:17,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370291060] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-31 16:39:17,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231386431] [2022-01-31 16:39:17,664 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-31 16:39:17,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:39:17,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:39:17,665 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) [2022-01-31 16:39:17,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-31 16:39:17,744 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-31 16:39:17,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-31 16:39:17,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 24 conjunts are in the unsatisfiable core [2022-01-31 16:39:17,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-31 16:39:18,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1639 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-01-31 16:39:18,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-31 16:39:18,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1639 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-01-31 16:39:18,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231386431] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-31 16:39:18,821 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-31 16:39:18,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 50 [2022-01-31 16:39:18,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631633780] [2022-01-31 16:39:18,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-31 16:39:18,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-01-31 16:39:18,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:39:18,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-01-31 16:39:18,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1178, Invalid=1272, Unknown=0, NotChecked=0, Total=2450 [2022-01-31 16:39:18,823 INFO L87 Difference]: Start difference. First operand 150 states and 214 transitions. Second operand has 50 states, 50 states have (on average 3.84) internal successors, (192), 49 states have internal predecessors, (192), 47 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2022-01-31 16:39:20,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:39:20,332 INFO L93 Difference]: Finished difference Result 294 states and 430 transitions. [2022-01-31 16:39:20,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-31 16:39:20,333 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 3.84) internal successors, (192), 49 states have internal predecessors, (192), 47 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Word has length 165 [2022-01-31 16:39:20,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:39:20,334 INFO L225 Difference]: With dead ends: 294 [2022-01-31 16:39:20,334 INFO L226 Difference]: Without dead ends: 294 [2022-01-31 16:39:20,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1420 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=3433, Invalid=5687, Unknown=0, NotChecked=0, Total=9120 [2022-01-31 16:39:20,337 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 500 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-31 16:39:20,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [500 Valid, 37 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-31 16:39:20,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-01-31 16:39:20,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2022-01-31 16:39:20,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 195 states have (on average 1.241025641025641) internal successors, (242), 241 states have internal predecessors, (242), 95 states have call successors, (95), 5 states have call predecessors, (95), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2022-01-31 16:39:20,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 430 transitions. [2022-01-31 16:39:20,352 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 430 transitions. Word has length 165 [2022-01-31 16:39:20,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:39:20,352 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 430 transitions. [2022-01-31 16:39:20,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 3.84) internal successors, (192), 49 states have internal predecessors, (192), 47 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2022-01-31 16:39:20,352 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 430 transitions. [2022-01-31 16:39:20,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2022-01-31 16:39:20,357 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:39:20,357 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:39:20,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-31 16:39:20,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:39:20,570 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:39:20,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:39:20,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1356699472, now seen corresponding path program 5 times [2022-01-31 16:39:20,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:39:20,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724891956] [2022-01-31 16:39:20,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:39:20,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:39:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:39:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-01-31 16:39:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 16:39:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-31 16:39:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-01-31 16:39:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-31 16:39:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-01-31 16:39:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-01-31 16:39:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-01-31 16:39:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-01-31 16:39:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-01-31 16:39:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 16:39:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-01-31 16:39:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-01-31 16:39:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-01-31 16:39:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-01-31 16:39:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-01-31 16:39:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-01-31 16:39:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-01-31 16:39:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-01-31 16:39:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 16:39:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-01-31 16:39:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-01-31 16:39:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-01-31 16:39:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-01-31 16:39:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-01-31 16:39:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-01-31 16:39:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-01-31 16:39:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-01-31 16:39:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 16:39:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-01-31 16:39:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-01-31 16:39:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-01-31 16:39:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-01-31 16:39:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-01-31 16:39:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-01-31 16:39:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-01-31 16:39:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-01-31 16:39:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 16:39:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-01-31 16:39:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-01-31 16:39:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-01-31 16:39:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-01-31 16:39:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-01-31 16:39:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-01-31 16:39:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-01-31 16:39:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-01-31 16:39:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:21,507 INFO L134 CoverageAnalysis]: Checked inductivity of 7291 backedges. 0 proven. 5221 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2022-01-31 16:39:21,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:39:21,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724891956] [2022-01-31 16:39:21,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724891956] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-31 16:39:21,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739672312] [2022-01-31 16:39:21,507 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-31 16:39:21,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:39:21,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:39:21,508 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) [2022-01-31 16:39:21,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-31 16:39:21,631 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2022-01-31 16:39:21,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-31 16:39:21,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 48 conjunts are in the unsatisfiable core [2022-01-31 16:39:21,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-31 16:39:22,141 INFO L134 CoverageAnalysis]: Checked inductivity of 7291 backedges. 0 proven. 5221 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2022-01-31 16:39:22,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-31 16:39:24,553 INFO L134 CoverageAnalysis]: Checked inductivity of 7291 backedges. 0 proven. 5221 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2022-01-31 16:39:24,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739672312] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-31 16:39:24,553 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-31 16:39:24,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 49, 49] total 98 [2022-01-31 16:39:24,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893338163] [2022-01-31 16:39:24,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-31 16:39:24,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2022-01-31 16:39:24,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:39:24,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2022-01-31 16:39:24,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4658, Invalid=4848, Unknown=0, NotChecked=0, Total=9506 [2022-01-31 16:39:24,558 INFO L87 Difference]: Start difference. First operand 294 states and 430 transitions. Second operand has 98 states, 98 states have (on average 3.9183673469387754) internal successors, (384), 97 states have internal predecessors, (384), 95 states have call successors, (97), 3 states have call predecessors, (97), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2022-01-31 16:39:28,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:39:28,637 INFO L93 Difference]: Finished difference Result 582 states and 862 transitions. [2022-01-31 16:39:28,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-01-31 16:39:28,638 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 98 states have (on average 3.9183673469387754) internal successors, (384), 97 states have internal predecessors, (384), 95 states have call successors, (97), 3 states have call predecessors, (97), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) Word has length 333 [2022-01-31 16:39:28,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:39:28,643 INFO L225 Difference]: With dead ends: 582 [2022-01-31 16:39:28,643 INFO L226 Difference]: Without dead ends: 582 [2022-01-31 16:39:28,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 902 GetRequests, 712 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5728 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=13777, Invalid=22895, Unknown=0, NotChecked=0, Total=36672 [2022-01-31 16:39:28,649 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 1108 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 1059 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1108 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 2417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1059 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-31 16:39:28,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1108 Valid, 47 Invalid, 2417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1059 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-31 16:39:28,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2022-01-31 16:39:28,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2022-01-31 16:39:28,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 387 states have (on average 1.2454780361757105) internal successors, (482), 481 states have internal predecessors, (482), 191 states have call successors, (191), 5 states have call predecessors, (191), 3 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2022-01-31 16:39:28,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 862 transitions. [2022-01-31 16:39:28,681 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 862 transitions. Word has length 333 [2022-01-31 16:39:28,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:39:28,682 INFO L470 AbstractCegarLoop]: Abstraction has 582 states and 862 transitions. [2022-01-31 16:39:28,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 3.9183673469387754) internal successors, (384), 97 states have internal predecessors, (384), 95 states have call successors, (97), 3 states have call predecessors, (97), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2022-01-31 16:39:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 862 transitions. [2022-01-31 16:39:28,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 670 [2022-01-31 16:39:28,694 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:39:28,695 INFO L514 BasicCegarLoop]: trace histogram [94, 94, 94, 94, 94, 94, 94, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:39:28,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-31 16:39:28,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:39:28,909 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:39:28,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:39:28,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1800456016, now seen corresponding path program 6 times [2022-01-31 16:39:28,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:39:28,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028068768] [2022-01-31 16:39:28,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:39:28,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:39:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:39:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-01-31 16:39:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 16:39:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-31 16:39:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-01-31 16:39:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-31 16:39:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-01-31 16:39:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-01-31 16:39:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-01-31 16:39:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-01-31 16:39:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-01-31 16:39:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 16:39:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-01-31 16:39:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-01-31 16:39:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-01-31 16:39:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-01-31 16:39:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-01-31 16:39:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-01-31 16:39:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-01-31 16:39:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-01-31 16:39:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 16:39:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-01-31 16:39:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-01-31 16:39:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-01-31 16:39:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-01-31 16:39:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-01-31 16:39:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-01-31 16:39:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-01-31 16:39:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-01-31 16:39:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 16:39:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-01-31 16:39:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-01-31 16:39:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-01-31 16:39:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-01-31 16:39:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-01-31 16:39:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-01-31 16:39:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-01-31 16:39:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-01-31 16:39:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 16:39:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-01-31 16:39:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-01-31 16:39:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-01-31 16:39:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-01-31 16:39:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-01-31 16:39:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-01-31 16:39:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-01-31 16:39:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-01-31 16:39:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 16:39:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-01-31 16:39:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-01-31 16:39:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-01-31 16:39:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-01-31 16:39:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-01-31 16:39:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-01-31 16:39:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-01-31 16:39:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-01-31 16:39:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 16:39:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-01-31 16:39:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-01-31 16:39:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-01-31 16:39:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-01-31 16:39:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-01-31 16:39:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-01-31 16:39:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-01-31 16:39:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-01-31 16:39:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 16:39:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-01-31 16:39:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-01-31 16:39:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2022-01-31 16:39:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-01-31 16:39:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-01-31 16:39:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-01-31 16:39:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-01-31 16:39:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-01-31 16:39:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 16:39:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-01-31 16:39:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2022-01-31 16:39:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-01-31 16:39:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2022-01-31 16:39:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-01-31 16:39:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-01-31 16:39:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2022-01-31 16:39:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-01-31 16:39:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 16:39:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-01-31 16:39:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-01-31 16:39:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2022-01-31 16:39:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2022-01-31 16:39:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2022-01-31 16:39:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2022-01-31 16:39:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2022-01-31 16:39:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2022-01-31 16:39:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 16:39:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2022-01-31 16:39:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2022-01-31 16:39:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:39:31,818 INFO L134 CoverageAnalysis]: Checked inductivity of 30691 backedges. 0 proven. 21949 refuted. 0 times theorem prover too weak. 8742 trivial. 0 not checked. [2022-01-31 16:39:31,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:39:31,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028068768] [2022-01-31 16:39:31,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028068768] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-31 16:39:31,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863998185] [2022-01-31 16:39:31,818 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-31 16:39:31,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:39:31,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:39:31,823 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) [2022-01-31 16:39:31,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-31 16:39:32,063 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2022-01-31 16:39:32,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-31 16:39:32,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 1559 conjuncts, 96 conjunts are in the unsatisfiable core [2022-01-31 16:39:32,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-31 16:39:33,052 INFO L134 CoverageAnalysis]: Checked inductivity of 30691 backedges. 0 proven. 21949 refuted. 0 times theorem prover too weak. 8742 trivial. 0 not checked. [2022-01-31 16:39:33,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-31 16:39:41,186 INFO L134 CoverageAnalysis]: Checked inductivity of 30691 backedges. 0 proven. 21949 refuted. 0 times theorem prover too weak. 8742 trivial. 0 not checked. [2022-01-31 16:39:41,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863998185] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-31 16:39:41,186 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-31 16:39:41,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 97, 97] total 194 [2022-01-31 16:39:41,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466871431] [2022-01-31 16:39:41,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-31 16:39:41,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2022-01-31 16:39:41,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:39:41,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2022-01-31 16:39:41,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18530, Invalid=18912, Unknown=0, NotChecked=0, Total=37442 [2022-01-31 16:39:41,194 INFO L87 Difference]: Start difference. First operand 582 states and 862 transitions. Second operand has 194 states, 194 states have (on average 3.9587628865979383) internal successors, (768), 193 states have internal predecessors, (768), 191 states have call successors, (193), 3 states have call predecessors, (193), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2022-01-31 16:39:57,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:39:57,221 INFO L93 Difference]: Finished difference Result 1158 states and 1726 transitions. [2022-01-31 16:39:57,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2022-01-31 16:39:57,222 INFO L78 Accepts]: Start accepts. Automaton has has 194 states, 194 states have (on average 3.9587628865979383) internal successors, (768), 193 states have internal predecessors, (768), 191 states have call successors, (193), 3 states have call predecessors, (193), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) Word has length 669 [2022-01-31 16:39:57,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:39:57,228 INFO L225 Difference]: With dead ends: 1158 [2022-01-31 16:39:57,228 INFO L226 Difference]: Without dead ends: 1158 [2022-01-31 16:39:57,237 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1814 GetRequests, 1432 SyntacticMatches, 0 SemanticMatches, 382 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22984 ImplicationChecksByTransitivity, 19.4s TimeCoverageRelationStatistics Valid=55201, Invalid=91871, Unknown=0, NotChecked=0, Total=147072 [2022-01-31 16:39:57,238 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 2322 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 3283 mSolverCounterSat, 2225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 5508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2225 IncrementalHoareTripleChecker+Valid, 3283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-31 16:39:57,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2322 Valid, 62 Invalid, 5508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2225 Valid, 3283 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-01-31 16:39:57,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-01-31 16:39:57,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1158. [2022-01-31 16:39:57,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 771 states have (on average 1.2477302204928664) internal successors, (962), 961 states have internal predecessors, (962), 383 states have call successors, (383), 5 states have call predecessors, (383), 3 states have return successors, (381), 381 states have call predecessors, (381), 381 states have call successors, (381) [2022-01-31 16:39:57,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1726 transitions. [2022-01-31 16:39:57,260 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1726 transitions. Word has length 669 [2022-01-31 16:39:57,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:39:57,261 INFO L470 AbstractCegarLoop]: Abstraction has 1158 states and 1726 transitions. [2022-01-31 16:39:57,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 194 states, 194 states have (on average 3.9587628865979383) internal successors, (768), 193 states have internal predecessors, (768), 191 states have call successors, (193), 3 states have call predecessors, (193), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2022-01-31 16:39:57,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1726 transitions. [2022-01-31 16:39:57,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1342 [2022-01-31 16:39:57,297 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:39:57,297 INFO L514 BasicCegarLoop]: trace histogram [190, 190, 190, 190, 190, 190, 190, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:39:57,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-31 16:39:57,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:39:57,511 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:39:57,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:39:57,512 INFO L85 PathProgramCache]: Analyzing trace with hash 882321232, now seen corresponding path program 7 times [2022-01-31 16:39:57,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:39:57,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763416510] [2022-01-31 16:39:57,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:39:57,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:39:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:40:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-01-31 16:40:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 16:40:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-31 16:40:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-01-31 16:40:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-31 16:40:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-01-31 16:40:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-01-31 16:40:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-01-31 16:40:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-01-31 16:40:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-01-31 16:40:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 16:40:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-01-31 16:40:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-01-31 16:40:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-01-31 16:40:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-01-31 16:40:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-01-31 16:40:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-01-31 16:40:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-01-31 16:40:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-01-31 16:40:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 16:40:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-01-31 16:40:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-01-31 16:40:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-01-31 16:40:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-01-31 16:40:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-01-31 16:40:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-01-31 16:40:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-01-31 16:40:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-01-31 16:40:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 16:40:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-01-31 16:40:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-01-31 16:40:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:07,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-01-31 16:40:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-01-31 16:40:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-01-31 16:40:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-01-31 16:40:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-01-31 16:40:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-01-31 16:40:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 16:40:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-01-31 16:40:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-01-31 16:40:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-01-31 16:40:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-01-31 16:40:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-01-31 16:40:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-01-31 16:40:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-01-31 16:40:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-01-31 16:40:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 16:40:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-01-31 16:40:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-01-31 16:40:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-01-31 16:40:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-01-31 16:40:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-01-31 16:40:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-01-31 16:40:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-01-31 16:40:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-01-31 16:40:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 16:40:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-01-31 16:40:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-01-31 16:40:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-01-31 16:40:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-01-31 16:40:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-01-31 16:40:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-01-31 16:40:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-01-31 16:40:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-01-31 16:40:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 16:40:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-01-31 16:40:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-01-31 16:40:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2022-01-31 16:40:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-01-31 16:40:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-01-31 16:40:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-01-31 16:40:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-01-31 16:40:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-01-31 16:40:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 16:40:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-01-31 16:40:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2022-01-31 16:40:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-01-31 16:40:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2022-01-31 16:40:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-01-31 16:40:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-01-31 16:40:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2022-01-31 16:40:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-01-31 16:40:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 16:40:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-01-31 16:40:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-01-31 16:40:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2022-01-31 16:40:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2022-01-31 16:40:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2022-01-31 16:40:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2022-01-31 16:40:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2022-01-31 16:40:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2022-01-31 16:40:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 16:40:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2022-01-31 16:40:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2022-01-31 16:40:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2022-01-31 16:40:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2022-01-31 16:40:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2022-01-31 16:40:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2022-01-31 16:40:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2022-01-31 16:40:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2022-01-31 16:40:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 16:40:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 716 [2022-01-31 16:40:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 723 [2022-01-31 16:40:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 730 [2022-01-31 16:40:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2022-01-31 16:40:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2022-01-31 16:40:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 751 [2022-01-31 16:40:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2022-01-31 16:40:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 765 [2022-01-31 16:40:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 16:40:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2022-01-31 16:40:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 786 [2022-01-31 16:40:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 793 [2022-01-31 16:40:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-01-31 16:40:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 807 [2022-01-31 16:40:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 814 [2022-01-31 16:40:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2022-01-31 16:40:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 828 [2022-01-31 16:40:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 16:40:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 842 [2022-01-31 16:40:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 849 [2022-01-31 16:40:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 856 [2022-01-31 16:40:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2022-01-31 16:40:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 870 [2022-01-31 16:40:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 877 [2022-01-31 16:40:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2022-01-31 16:40:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 891 [2022-01-31 16:40:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 16:40:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2022-01-31 16:40:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2022-01-31 16:40:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 919 [2022-01-31 16:40:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2022-01-31 16:40:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 933 [2022-01-31 16:40:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 940 [2022-01-31 16:40:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2022-01-31 16:40:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 954 [2022-01-31 16:40:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 16:40:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2022-01-31 16:40:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2022-01-31 16:40:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 982 [2022-01-31 16:40:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2022-01-31 16:40:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 996 [2022-01-31 16:40:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1003 [2022-01-31 16:40:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1010 [2022-01-31 16:40:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1017 [2022-01-31 16:40:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 16:40:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1031 [2022-01-31 16:40:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1038 [2022-01-31 16:40:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1045 [2022-01-31 16:40:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1052 [2022-01-31 16:40:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1059 [2022-01-31 16:40:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1066 [2022-01-31 16:40:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1073 [2022-01-31 16:40:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1080 [2022-01-31 16:40:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 16:40:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2022-01-31 16:40:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1101 [2022-01-31 16:40:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1108 [2022-01-31 16:40:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2022-01-31 16:40:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2022-01-31 16:40:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1129 [2022-01-31 16:40:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1136 [2022-01-31 16:40:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1143 [2022-01-31 16:40:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2022-01-31 16:40:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1157 [2022-01-31 16:40:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1164 [2022-01-31 16:40:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1171 [2022-01-31 16:40:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1178 [2022-01-31 16:40:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1185 [2022-01-31 16:40:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1192 [2022-01-31 16:40:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2022-01-31 16:40:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1206 [2022-01-31 16:40:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1213 [2022-01-31 16:40:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1220 [2022-01-31 16:40:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1227 [2022-01-31 16:40:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1234 [2022-01-31 16:40:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1241 [2022-01-31 16:40:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1248 [2022-01-31 16:40:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2022-01-31 16:40:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1262 [2022-01-31 16:40:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1269 [2022-01-31 16:40:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2022-01-31 16:40:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1283 [2022-01-31 16:40:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2022-01-31 16:40:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2022-01-31 16:40:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1304 [2022-01-31 16:40:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1311 [2022-01-31 16:40:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1318 [2022-01-31 16:40:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1325 [2022-01-31 16:40:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1332 [2022-01-31 16:40:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,220 INFO L134 CoverageAnalysis]: Checked inductivity of 125875 backedges. 0 proven. 89965 refuted. 0 times theorem prover too weak. 35910 trivial. 0 not checked. [2022-01-31 16:40:08,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:40:08,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763416510] [2022-01-31 16:40:08,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763416510] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-31 16:40:08,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322454128] [2022-01-31 16:40:08,220 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-31 16:40:08,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:40:08,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:40:08,221 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) [2022-01-31 16:40:08,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-31 16:40:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:40:08,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 3095 conjuncts, 192 conjunts are in the unsatisfiable core [2022-01-31 16:40:08,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-31 16:40:10,454 INFO L134 CoverageAnalysis]: Checked inductivity of 125875 backedges. 0 proven. 89965 refuted. 0 times theorem prover too weak. 35910 trivial. 0 not checked. [2022-01-31 16:40:10,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-31 16:40:41,109 INFO L134 CoverageAnalysis]: Checked inductivity of 125875 backedges. 0 proven. 89965 refuted. 0 times theorem prover too weak. 35910 trivial. 0 not checked. [2022-01-31 16:40:41,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322454128] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-31 16:40:41,110 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-31 16:40:41,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [194, 193, 193] total 386 [2022-01-31 16:40:41,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811900263] [2022-01-31 16:40:41,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-31 16:40:41,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 386 states [2022-01-31 16:40:41,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:40:41,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 386 interpolants. [2022-01-31 16:40:41,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73922, Invalid=74688, Unknown=0, NotChecked=0, Total=148610 [2022-01-31 16:40:41,133 INFO L87 Difference]: Start difference. First operand 1158 states and 1726 transitions. Second operand has 386 states, 386 states have (on average 3.9792746113989637) internal successors, (1536), 385 states have internal predecessors, (1536), 383 states have call successors, (385), 3 states have call predecessors, (385), 1 states have return successors, (382), 382 states have call predecessors, (382), 382 states have call successors, (382) [2022-01-31 16:42:07,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:42:07,741 INFO L93 Difference]: Finished difference Result 2310 states and 3454 transitions. [2022-01-31 16:42:07,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 385 states. [2022-01-31 16:42:07,742 INFO L78 Accepts]: Start accepts. Automaton has has 386 states, 386 states have (on average 3.9792746113989637) internal successors, (1536), 385 states have internal predecessors, (1536), 383 states have call successors, (385), 3 states have call predecessors, (385), 1 states have return successors, (382), 382 states have call predecessors, (382), 382 states have call successors, (382) Word has length 1341 [2022-01-31 16:42:07,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:42:07,752 INFO L225 Difference]: With dead ends: 2310 [2022-01-31 16:42:07,752 INFO L226 Difference]: Without dead ends: 2310 [2022-01-31 16:42:07,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3638 GetRequests, 2872 SyntacticMatches, 0 SemanticMatches, 766 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92056 ImplicationChecksByTransitivity, 77.4s TimeCoverageRelationStatistics Valid=220993, Invalid=368063, Unknown=0, NotChecked=0, Total=589056 [2022-01-31 16:42:07,791 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 5067 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 6703 mSolverCounterSat, 4493 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5067 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 11196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4493 IncrementalHoareTripleChecker+Valid, 6703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-01-31 16:42:07,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5067 Valid, 57 Invalid, 11196 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4493 Valid, 6703 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-01-31 16:42:07,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2310 states. [2022-01-31 16:42:07,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2310 to 2310. [2022-01-31 16:42:07,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2310 states, 1539 states have (on average 1.248862897985705) internal successors, (1922), 1921 states have internal predecessors, (1922), 767 states have call successors, (767), 5 states have call predecessors, (767), 3 states have return successors, (765), 765 states have call predecessors, (765), 765 states have call successors, (765) [2022-01-31 16:42:07,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 2310 states and 3454 transitions. [2022-01-31 16:42:07,831 INFO L78 Accepts]: Start accepts. Automaton has 2310 states and 3454 transitions. Word has length 1341 [2022-01-31 16:42:07,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:42:07,835 INFO L470 AbstractCegarLoop]: Abstraction has 2310 states and 3454 transitions. [2022-01-31 16:42:07,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 386 states, 386 states have (on average 3.9792746113989637) internal successors, (1536), 385 states have internal predecessors, (1536), 383 states have call successors, (385), 3 states have call predecessors, (385), 1 states have return successors, (382), 382 states have call predecessors, (382), 382 states have call successors, (382) [2022-01-31 16:42:07,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 3454 transitions. [2022-01-31 16:42:07,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2686 [2022-01-31 16:42:07,880 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:42:07,880 INFO L514 BasicCegarLoop]: trace histogram [382, 382, 382, 382, 382, 382, 382, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:42:07,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-31 16:42:08,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:42:08,091 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:42:08,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:42:08,092 INFO L85 PathProgramCache]: Analyzing trace with hash 413394768, now seen corresponding path program 8 times [2022-01-31 16:42:08,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:42:08,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747191697] [2022-01-31 16:42:08,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:42:08,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:42:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:47,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:42:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:47,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-01-31 16:42:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:47,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 16:42:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:47,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-31 16:42:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:47,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-01-31 16:42:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:47,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-31 16:42:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:47,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-01-31 16:42:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:47,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-01-31 16:42:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:47,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-01-31 16:42:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:47,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-01-31 16:42:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:47,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-01-31 16:42:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:47,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-01-31 16:42:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:47,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-01-31 16:42:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:47,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-01-31 16:42:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:47,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-01-31 16:42:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-01-31 16:42:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-01-31 16:42:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-01-31 16:42:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-01-31 16:42:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-01-31 16:42:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-01-31 16:42:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-01-31 16:42:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-01-31 16:42:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-01-31 16:42:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-01-31 16:42:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-01-31 16:42:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-01-31 16:42:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-01-31 16:42:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-01-31 16:42:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-01-31 16:42:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-01-31 16:42:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-01-31 16:42:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-01-31 16:42:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-01-31 16:42:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-01-31 16:42:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-01-31 16:42:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-01-31 16:42:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-01-31 16:42:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-01-31 16:42:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-01-31 16:42:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-01-31 16:42:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-01-31 16:42:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-01-31 16:42:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-01-31 16:42:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-01-31 16:42:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-01-31 16:42:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-01-31 16:42:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-01-31 16:42:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-01-31 16:42:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-01-31 16:42:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-01-31 16:42:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-01-31 16:42:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-01-31 16:42:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-01-31 16:42:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-01-31 16:42:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-01-31 16:42:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-01-31 16:42:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-01-31 16:42:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-01-31 16:42:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-01-31 16:42:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-01-31 16:42:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-01-31 16:42:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-01-31 16:42:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-01-31 16:42:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-01-31 16:42:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-01-31 16:42:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-01-31 16:42:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-01-31 16:42:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2022-01-31 16:42:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-01-31 16:42:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-01-31 16:42:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-01-31 16:42:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-01-31 16:42:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-01-31 16:42:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-01-31 16:42:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-01-31 16:42:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2022-01-31 16:42:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-01-31 16:42:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2022-01-31 16:42:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-01-31 16:42:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-01-31 16:42:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2022-01-31 16:42:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-01-31 16:42:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-01-31 16:42:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-01-31 16:42:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-01-31 16:42:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2022-01-31 16:42:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2022-01-31 16:42:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2022-01-31 16:42:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2022-01-31 16:42:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2022-01-31 16:42:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2022-01-31 16:42:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-01-31 16:42:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2022-01-31 16:42:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2022-01-31 16:42:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2022-01-31 16:42:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2022-01-31 16:42:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2022-01-31 16:42:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2022-01-31 16:42:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2022-01-31 16:42:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2022-01-31 16:42:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-01-31 16:42:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 716 [2022-01-31 16:42:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 723 [2022-01-31 16:42:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 730 [2022-01-31 16:42:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2022-01-31 16:42:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2022-01-31 16:42:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 751 [2022-01-31 16:42:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2022-01-31 16:42:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 765 [2022-01-31 16:42:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-01-31 16:42:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2022-01-31 16:42:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 786 [2022-01-31 16:42:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 793 [2022-01-31 16:42:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-01-31 16:42:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 807 [2022-01-31 16:42:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 814 [2022-01-31 16:42:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2022-01-31 16:42:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 828 [2022-01-31 16:42:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2022-01-31 16:42:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 842 [2022-01-31 16:42:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 849 [2022-01-31 16:42:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 856 [2022-01-31 16:42:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2022-01-31 16:42:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 870 [2022-01-31 16:42:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 877 [2022-01-31 16:42:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2022-01-31 16:42:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 891 [2022-01-31 16:42:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2022-01-31 16:42:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2022-01-31 16:42:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2022-01-31 16:42:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 919 [2022-01-31 16:42:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2022-01-31 16:42:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 933 [2022-01-31 16:42:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 940 [2022-01-31 16:42:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2022-01-31 16:42:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 954 [2022-01-31 16:42:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2022-01-31 16:42:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2022-01-31 16:42:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2022-01-31 16:42:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 982 [2022-01-31 16:42:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2022-01-31 16:42:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 996 [2022-01-31 16:42:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1003 [2022-01-31 16:42:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1010 [2022-01-31 16:42:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1017 [2022-01-31 16:42:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1024 [2022-01-31 16:42:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1031 [2022-01-31 16:42:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1038 [2022-01-31 16:42:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1045 [2022-01-31 16:42:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1052 [2022-01-31 16:42:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1059 [2022-01-31 16:42:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1066 [2022-01-31 16:42:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1073 [2022-01-31 16:42:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1080 [2022-01-31 16:42:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-01-31 16:42:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2022-01-31 16:42:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1101 [2022-01-31 16:42:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1108 [2022-01-31 16:42:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2022-01-31 16:42:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2022-01-31 16:42:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1129 [2022-01-31 16:42:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1136 [2022-01-31 16:42:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1143 [2022-01-31 16:42:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2022-01-31 16:42:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1157 [2022-01-31 16:42:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1164 [2022-01-31 16:42:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1171 [2022-01-31 16:42:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1178 [2022-01-31 16:42:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1185 [2022-01-31 16:42:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1192 [2022-01-31 16:42:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2022-01-31 16:42:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1206 [2022-01-31 16:42:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1213 [2022-01-31 16:42:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1220 [2022-01-31 16:42:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1227 [2022-01-31 16:42:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1234 [2022-01-31 16:42:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1241 [2022-01-31 16:42:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1248 [2022-01-31 16:42:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2022-01-31 16:42:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1262 [2022-01-31 16:42:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1269 [2022-01-31 16:42:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2022-01-31 16:42:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1283 [2022-01-31 16:42:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2022-01-31 16:42:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2022-01-31 16:42:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1304 [2022-01-31 16:42:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1311 [2022-01-31 16:42:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1318 [2022-01-31 16:42:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1325 [2022-01-31 16:42:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1332 [2022-01-31 16:42:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1339 [2022-01-31 16:42:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1346 [2022-01-31 16:42:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1353 [2022-01-31 16:42:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1360 [2022-01-31 16:42:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1367 [2022-01-31 16:42:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1374 [2022-01-31 16:42:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1381 [2022-01-31 16:42:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1388 [2022-01-31 16:42:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2022-01-31 16:42:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1402 [2022-01-31 16:42:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1409 [2022-01-31 16:42:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1416 [2022-01-31 16:42:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1423 [2022-01-31 16:42:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1430 [2022-01-31 16:42:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1437 [2022-01-31 16:42:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1444 [2022-01-31 16:42:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1451 [2022-01-31 16:42:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1458 [2022-01-31 16:42:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1465 [2022-01-31 16:42:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1472 [2022-01-31 16:42:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1479 [2022-01-31 16:42:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1486 [2022-01-31 16:42:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1493 [2022-01-31 16:42:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2022-01-31 16:42:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1507 [2022-01-31 16:42:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1514 [2022-01-31 16:42:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1521 [2022-01-31 16:42:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1528 [2022-01-31 16:42:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1535 [2022-01-31 16:42:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1542 [2022-01-31 16:42:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1549 [2022-01-31 16:42:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1556 [2022-01-31 16:42:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1563 [2022-01-31 16:42:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1570 [2022-01-31 16:42:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1577 [2022-01-31 16:42:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1584 [2022-01-31 16:42:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1591 [2022-01-31 16:42:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1598 [2022-01-31 16:42:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1605 [2022-01-31 16:42:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1612 [2022-01-31 16:42:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1619 [2022-01-31 16:42:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1626 [2022-01-31 16:42:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1633 [2022-01-31 16:42:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1640 [2022-01-31 16:42:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1647 [2022-01-31 16:42:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1654 [2022-01-31 16:42:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1661 [2022-01-31 16:42:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1668 [2022-01-31 16:42:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1675 [2022-01-31 16:42:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1682 [2022-01-31 16:42:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1689 [2022-01-31 16:42:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1696 [2022-01-31 16:42:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1703 [2022-01-31 16:42:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1710 [2022-01-31 16:42:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1717 [2022-01-31 16:42:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1724 [2022-01-31 16:42:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1731 [2022-01-31 16:42:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1738 [2022-01-31 16:42:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1745 [2022-01-31 16:42:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1752 [2022-01-31 16:42:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1759 [2022-01-31 16:42:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1766 [2022-01-31 16:42:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1773 [2022-01-31 16:42:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1780 [2022-01-31 16:42:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1787 [2022-01-31 16:42:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1794 [2022-01-31 16:42:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1801 [2022-01-31 16:42:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1808 [2022-01-31 16:42:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1815 [2022-01-31 16:42:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1822 [2022-01-31 16:42:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1829 [2022-01-31 16:42:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1836 [2022-01-31 16:42:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1843 [2022-01-31 16:42:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1850 [2022-01-31 16:42:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1857 [2022-01-31 16:42:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1864 [2022-01-31 16:42:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1871 [2022-01-31 16:42:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1878 [2022-01-31 16:42:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1885 [2022-01-31 16:42:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1892 [2022-01-31 16:42:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1899 [2022-01-31 16:42:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1906 [2022-01-31 16:42:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1913 [2022-01-31 16:42:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1920 [2022-01-31 16:42:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1927 [2022-01-31 16:42:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1934 [2022-01-31 16:42:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1941 [2022-01-31 16:42:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1948 [2022-01-31 16:42:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955 [2022-01-31 16:42:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1962 [2022-01-31 16:42:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1969 [2022-01-31 16:42:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1976 [2022-01-31 16:42:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1983 [2022-01-31 16:42:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1990 [2022-01-31 16:42:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1997 [2022-01-31 16:42:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2004 [2022-01-31 16:42:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2011 [2022-01-31 16:42:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2018 [2022-01-31 16:42:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2025 [2022-01-31 16:42:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2032 [2022-01-31 16:42:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2039 [2022-01-31 16:42:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2046 [2022-01-31 16:42:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2053 [2022-01-31 16:42:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2060 [2022-01-31 16:42:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2067 [2022-01-31 16:42:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2074 [2022-01-31 16:42:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2081 [2022-01-31 16:42:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2088 [2022-01-31 16:42:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2095 [2022-01-31 16:42:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2102 [2022-01-31 16:42:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2109 [2022-01-31 16:42:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2116 [2022-01-31 16:42:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2123 [2022-01-31 16:42:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2130 [2022-01-31 16:42:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2137 [2022-01-31 16:42:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2144 [2022-01-31 16:42:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2151 [2022-01-31 16:42:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2158 [2022-01-31 16:42:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2165 [2022-01-31 16:42:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2172 [2022-01-31 16:42:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2179 [2022-01-31 16:42:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2186 [2022-01-31 16:42:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2193 [2022-01-31 16:42:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2200 [2022-01-31 16:42:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2207 [2022-01-31 16:42:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2214 [2022-01-31 16:42:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2221 [2022-01-31 16:42:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2228 [2022-01-31 16:42:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2235 [2022-01-31 16:42:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2242 [2022-01-31 16:42:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2249 [2022-01-31 16:42:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2256 [2022-01-31 16:42:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2263 [2022-01-31 16:42:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2270 [2022-01-31 16:42:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2277 [2022-01-31 16:42:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2284 [2022-01-31 16:42:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2291 [2022-01-31 16:42:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2298 [2022-01-31 16:42:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2305 [2022-01-31 16:42:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2312 [2022-01-31 16:42:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2319 [2022-01-31 16:42:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2326 [2022-01-31 16:42:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2333 [2022-01-31 16:42:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2340 [2022-01-31 16:42:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2347 [2022-01-31 16:42:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2354 [2022-01-31 16:42:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2361 [2022-01-31 16:42:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2368 [2022-01-31 16:42:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2375 [2022-01-31 16:42:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2382 [2022-01-31 16:42:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2389 [2022-01-31 16:42:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2396 [2022-01-31 16:42:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2403 [2022-01-31 16:42:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2410 [2022-01-31 16:42:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2417 [2022-01-31 16:42:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2424 [2022-01-31 16:42:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2431 [2022-01-31 16:42:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2438 [2022-01-31 16:42:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2445 [2022-01-31 16:42:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2452 [2022-01-31 16:42:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2459 [2022-01-31 16:42:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2466 [2022-01-31 16:42:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2473 [2022-01-31 16:42:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2480 [2022-01-31 16:42:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2487 [2022-01-31 16:42:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2494 [2022-01-31 16:42:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2501 [2022-01-31 16:42:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2508 [2022-01-31 16:42:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2515 [2022-01-31 16:42:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2522 [2022-01-31 16:42:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2529 [2022-01-31 16:42:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2536 [2022-01-31 16:42:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2543 [2022-01-31 16:42:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2550 [2022-01-31 16:42:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2557 [2022-01-31 16:42:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2564 [2022-01-31 16:42:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2571 [2022-01-31 16:42:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2578 [2022-01-31 16:42:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2585 [2022-01-31 16:42:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2592 [2022-01-31 16:42:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2599 [2022-01-31 16:42:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2606 [2022-01-31 16:42:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2613 [2022-01-31 16:42:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2620 [2022-01-31 16:42:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2627 [2022-01-31 16:42:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2634 [2022-01-31 16:42:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2641 [2022-01-31 16:42:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2648 [2022-01-31 16:42:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2655 [2022-01-31 16:42:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2662 [2022-01-31 16:42:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2669 [2022-01-31 16:42:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2676 [2022-01-31 16:42:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:42:48,406 INFO L134 CoverageAnalysis]: Checked inductivity of 509779 backedges. 0 proven. 364237 refuted. 0 times theorem prover too weak. 145542 trivial. 0 not checked. [2022-01-31 16:42:48,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:42:48,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747191697] [2022-01-31 16:42:48,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747191697] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-31 16:42:48,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205843017] [2022-01-31 16:42:48,407 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-31 16:42:48,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 16:42:48,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:42:48,408 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) [2022-01-31 16:42:48,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-31 16:42:49,035 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-31 16:42:49,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-31 16:42:49,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 6167 conjuncts, 384 conjunts are in the unsatisfiable core [2022-01-31 16:42:49,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-31 16:42:52,557 INFO L134 CoverageAnalysis]: Checked inductivity of 509779 backedges. 0 proven. 364237 refuted. 0 times theorem prover too weak. 145542 trivial. 0 not checked. [2022-01-31 16:42:52,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-31 16:44:54,460 INFO L134 CoverageAnalysis]: Checked inductivity of 509779 backedges. 0 proven. 364237 refuted. 0 times theorem prover too weak. 145542 trivial. 0 not checked. [2022-01-31 16:44:54,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205843017] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-31 16:44:54,461 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-31 16:44:54,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [386, 385, 385] total 770 [2022-01-31 16:44:54,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172942188] [2022-01-31 16:44:54,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-31 16:44:54,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 770 states [2022-01-31 16:44:54,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:44:54,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 770 interpolants. [2022-01-31 16:44:54,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295298, Invalid=296832, Unknown=0, NotChecked=0, Total=592130 [2022-01-31 16:44:54,531 INFO L87 Difference]: Start difference. First operand 2310 states and 3454 transitions. Second operand has 770 states, 770 states have (on average 3.9896103896103896) internal successors, (3072), 769 states have internal predecessors, (3072), 767 states have call successors, (769), 3 states have call predecessors, (769), 1 states have return successors, (766), 766 states have call predecessors, (766), 766 states have call successors, (766)