/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/loops-crafted-1/nested3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-14 21:26:32,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-14 21:26:32,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-14 21:26:32,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-14 21:26:32,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-14 21:26:32,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-14 21:26:32,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-14 21:26:32,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-14 21:26:32,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-14 21:26:32,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-14 21:26:32,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-14 21:26:32,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-14 21:26:32,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-14 21:26:32,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-14 21:26:32,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-14 21:26:32,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-14 21:26:32,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-14 21:26:32,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-14 21:26:32,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-14 21:26:32,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-14 21:26:32,099 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-02-14 21:26:32,104 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-14 21:26:32,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-14 21:26:32,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-14 21:26:32,105 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-14 21:26:32,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-14 21:26:32,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-14 21:26:32,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-14 21:26:32,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-14 21:26:32,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-14 21:26:32,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-14 21:26:32,106 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-14 21:26:32,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-14 21:26:32,106 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-14 21:26:32,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-14 21:26:32,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-14 21:26:32,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-14 21:26:32,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-14 21:26:32,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-14 21:26:32,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-14 21:26:32,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-14 21:26:32,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-14 21:26:32,107 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-14 21:26:32,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-14 21:26:32,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-14 21:26:32,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-14 21:26:32,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-14 21:26:32,305 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-14 21:26:32,305 INFO L275 PluginConnector]: CDTParser initialized [2022-02-14 21:26:32,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested3-1.c [2022-02-14 21:26:32,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/783a4581d/2c97e99032064e849368ff12cc164563/FLAG710fd2dbc [2022-02-14 21:26:32,662 INFO L306 CDTParser]: Found 1 translation units. [2022-02-14 21:26:32,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-1.c [2022-02-14 21:26:32,674 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/783a4581d/2c97e99032064e849368ff12cc164563/FLAG710fd2dbc [2022-02-14 21:26:33,094 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/783a4581d/2c97e99032064e849368ff12cc164563 [2022-02-14 21:26:33,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-14 21:26:33,096 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-14 21:26:33,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-14 21:26:33,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-14 21:26:33,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-14 21:26:33,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 09:26:33" (1/1) ... [2022-02-14 21:26:33,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27ce711f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:26:33, skipping insertion in model container [2022-02-14 21:26:33,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 09:26:33" (1/1) ... [2022-02-14 21:26:33,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-14 21:26:33,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-14 21:26:33,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-1.c[321,334] [2022-02-14 21:26:33,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-14 21:26:33,319 INFO L203 MainTranslator]: Completed pre-run [2022-02-14 21:26:33,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-1.c[321,334] [2022-02-14 21:26:33,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-14 21:26:33,344 INFO L208 MainTranslator]: Completed translation [2022-02-14 21:26:33,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:26:33 WrapperNode [2022-02-14 21:26:33,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-14 21:26:33,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-14 21:26:33,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-14 21:26:33,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-14 21:26:33,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:26:33" (1/1) ... [2022-02-14 21:26:33,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:26:33" (1/1) ... [2022-02-14 21:26:33,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:26:33" (1/1) ... [2022-02-14 21:26:33,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:26:33" (1/1) ... [2022-02-14 21:26:33,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:26:33" (1/1) ... [2022-02-14 21:26:33,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:26:33" (1/1) ... [2022-02-14 21:26:33,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:26:33" (1/1) ... [2022-02-14 21:26:33,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-14 21:26:33,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-14 21:26:33,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-14 21:26:33,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-14 21:26:33,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:26:33" (1/1) ... [2022-02-14 21:26:33,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-14 21:26:33,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-14 21:26:33,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-14 21:26:33,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-14 21:26:33,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-14 21:26:33,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-14 21:26:33,442 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-14 21:26:33,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-14 21:26:33,442 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-14 21:26:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-14 21:26:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-14 21:26:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-14 21:26:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-14 21:26:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-14 21:26:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-14 21:26:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-14 21:26:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-14 21:26:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-14 21:26:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-14 21:26:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-14 21:26:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-14 21:26:33,490 INFO L234 CfgBuilder]: Building ICFG [2022-02-14 21:26:33,492 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-14 21:26:33,635 INFO L275 CfgBuilder]: Performing block encoding [2022-02-14 21:26:33,639 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-14 21:26:33,639 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-14 21:26:33,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 09:26:33 BoogieIcfgContainer [2022-02-14 21:26:33,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-14 21:26:33,641 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-14 21:26:33,641 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-14 21:26:33,649 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-14 21:26:33,665 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 09:26:33" (1/1) ... [2022-02-14 21:26:33,842 INFO L89 elerationTransformer]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-02-14 21:26:33,842 INFO L91 elerationTransformer]: Accelerated Formula: (and (< (mod v_main_~z~0_3 4294967296) 268435455) (= (+ v_main_~z~0_3 1) v_main_~z~0_2)) InVars {main_~z~0=v_main_~z~0_3} OutVars{main_~z~0=v_main_~z~0_2, main_#t~post4=|v_main_#t~post4_1|} AuxVars[] AssignedVars[main_~z~0, main_#t~post4] to Formula: (let ((.cse0 (mod v_main_~z~0_3 4294967296))) (or (and (= v_main_~z~0_3 v_main_~z~0_2) (= |v_main_#t~post4_3| |v_main_#t~post4_1|) (<= 268435455 .cse0)) (and (<= (div (+ (* (- 1) v_main_~z~0_2) 268435455) (- 4294967296)) (+ (div (+ v_main_~z~0_3 (- 4294967295)) 4294967296) 1)) (< .cse0 268435455) (< v_main_~z~0_3 v_main_~z~0_2)))) InVars {main_#t~post4=|v_main_#t~post4_3|, main_~z~0=v_main_~z~0_3} OutVars{main_#t~post4=|v_main_#t~post4_1|, main_~z~0=v_main_~z~0_2} AuxVars[] AssignedVars[main_~z~0, main_#t~post4] [2022-02-14 21:26:33,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.02 09:26:33 BasicIcfg [2022-02-14 21:26:33,847 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-02-14 21:26:33,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-14 21:26:33,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-14 21:26:33,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-14 21:26:33,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 09:26:33" (1/4) ... [2022-02-14 21:26:33,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5cbc69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 09:26:33, skipping insertion in model container [2022-02-14 21:26:33,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:26:33" (2/4) ... [2022-02-14 21:26:33,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5cbc69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 09:26:33, skipping insertion in model container [2022-02-14 21:26:33,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 09:26:33" (3/4) ... [2022-02-14 21:26:33,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5cbc69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.02 09:26:33, skipping insertion in model container [2022-02-14 21:26:33,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.02 09:26:33" (4/4) ... [2022-02-14 21:26:33,852 INFO L111 eAbstractionObserver]: Analyzing ICFG nested3-1.cJordan [2022-02-14 21:26:33,855 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-02-14 21:26:33,856 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-14 21:26:33,879 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-14 21:26:33,883 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 [2022-02-14 21:26:33,883 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-14 21:26:33,890 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-14 21:26:33,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-02-14 21:26:33,895 INFO L506 BasicCegarLoop]: Found error trace [2022-02-14 21:26:33,895 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-14 21:26:33,896 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-14 21:26:33,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-14 21:26:33,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1301415802, now seen corresponding path program 1 times [2022-02-14 21:26:33,904 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-14 21:26:33,905 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548381441] [2022-02-14 21:26:33,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-14 21:26:33,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-14 21:26:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:33,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-14 21:26:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:33,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-14 21:26:33,989 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-14 21:26:33,989 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548381441] [2022-02-14 21:26:33,989 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548381441] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-14 21:26:33,989 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-14 21:26:33,990 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-14 21:26:33,991 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388715605] [2022-02-14 21:26:33,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-14 21:26:33,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-14 21:26:33,994 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-14 21:26:34,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-14 21:26:34,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-14 21:26:34,017 INFO L87 Difference]: Start difference. First operand has 25 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-14 21:26:34,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-14 21:26:34,052 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-02-14 21:26:34,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-14 21:26:34,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-02-14 21:26:34,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-14 21:26:34,058 INFO L225 Difference]: With dead ends: 25 [2022-02-14 21:26:34,058 INFO L226 Difference]: Without dead ends: 20 [2022-02-14 21:26:34,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-14 21:26:34,062 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 16 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 29 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 [2022-02-14 21:26:34,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 29 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-14 21:26:34,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-02-14 21:26:34,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-02-14 21:26:34,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-14 21:26:34,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2022-02-14 21:26:34,085 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 11 [2022-02-14 21:26:34,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-14 21:26:34,085 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-02-14 21:26:34,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-14 21:26:34,086 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-02-14 21:26:34,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-02-14 21:26:34,086 INFO L506 BasicCegarLoop]: Found error trace [2022-02-14 21:26:34,086 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-14 21:26:34,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-14 21:26:34,087 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-14 21:26:34,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-14 21:26:34,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1302339323, now seen corresponding path program 1 times [2022-02-14 21:26:34,087 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-14 21:26:34,088 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631464826] [2022-02-14 21:26:34,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-14 21:26:34,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-14 21:26:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:34,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-14 21:26:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:34,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-14 21:26:34,137 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-14 21:26:34,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631464826] [2022-02-14 21:26:34,137 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631464826] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-14 21:26:34,137 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-14 21:26:34,138 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-14 21:26:34,138 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805630270] [2022-02-14 21:26:34,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-14 21:26:34,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-14 21:26:34,139 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-14 21:26:34,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-14 21:26:34,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-14 21:26:34,139 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-14 21:26:34,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-14 21:26:34,183 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2022-02-14 21:26:34,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-14 21:26:34,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-02-14 21:26:34,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-14 21:26:34,184 INFO L225 Difference]: With dead ends: 27 [2022-02-14 21:26:34,184 INFO L226 Difference]: Without dead ends: 27 [2022-02-14 21:26:34,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-14 21:26:34,185 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 26 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 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 [2022-02-14 21:26:34,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 27 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-14 21:26:34,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-02-14 21:26:34,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2022-02-14 21:26:34,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-14 21:26:34,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2022-02-14 21:26:34,190 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 11 [2022-02-14 21:26:34,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-14 21:26:34,190 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-02-14 21:26:34,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-14 21:26:34,191 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-02-14 21:26:34,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-14 21:26:34,191 INFO L506 BasicCegarLoop]: Found error trace [2022-02-14 21:26:34,191 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-14 21:26:34,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-14 21:26:34,192 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-14 21:26:34,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-14 21:26:34,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1748313539, now seen corresponding path program 1 times [2022-02-14 21:26:34,192 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-14 21:26:34,192 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287725422] [2022-02-14 21:26:34,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-14 21:26:34,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-14 21:26:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:34,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-14 21:26:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:34,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-14 21:26:34,235 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-14 21:26:34,235 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287725422] [2022-02-14 21:26:34,235 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287725422] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-14 21:26:34,235 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-14 21:26:34,235 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-14 21:26:34,235 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491278595] [2022-02-14 21:26:34,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-14 21:26:34,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-14 21:26:34,236 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-14 21:26:34,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-14 21:26:34,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-14 21:26:34,237 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-14 21:26:34,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-14 21:26:34,295 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2022-02-14 21:26:34,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-14 21:26:34,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-02-14 21:26:34,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-14 21:26:34,296 INFO L225 Difference]: With dead ends: 25 [2022-02-14 21:26:34,297 INFO L226 Difference]: Without dead ends: 25 [2022-02-14 21:26:34,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-14 21:26:34,298 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 21 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-14 21:26:34,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 27 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-14 21:26:34,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-02-14 21:26:34,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2022-02-14 21:26:34,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-14 21:26:34,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-02-14 21:26:34,301 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 12 [2022-02-14 21:26:34,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-14 21:26:34,301 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-02-14 21:26:34,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-14 21:26:34,301 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-02-14 21:26:34,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-02-14 21:26:34,302 INFO L506 BasicCegarLoop]: Found error trace [2022-02-14 21:26:34,302 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-14 21:26:34,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-14 21:26:34,302 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-14 21:26:34,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-14 21:26:34,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1606116621, now seen corresponding path program 1 times [2022-02-14 21:26:34,303 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-14 21:26:34,303 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100731688] [2022-02-14 21:26:34,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-14 21:26:34,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-14 21:26:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:34,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-14 21:26:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:34,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-14 21:26:34,358 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-14 21:26:34,359 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100731688] [2022-02-14 21:26:34,359 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100731688] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-14 21:26:34,359 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-14 21:26:34,359 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-14 21:26:34,359 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587082308] [2022-02-14 21:26:34,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-14 21:26:34,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-14 21:26:34,360 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-14 21:26:34,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-14 21:26:34,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-14 21:26:34,360 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-14 21:26:34,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-14 21:26:34,399 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2022-02-14 21:26:34,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-14 21:26:34,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-02-14 21:26:34,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-14 21:26:34,401 INFO L225 Difference]: With dead ends: 24 [2022-02-14 21:26:34,401 INFO L226 Difference]: Without dead ends: 24 [2022-02-14 21:26:34,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-14 21:26:34,402 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-14 21:26:34,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 28 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-14 21:26:34,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-02-14 21:26:34,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-02-14 21:26:34,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-14 21:26:34,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-02-14 21:26:34,405 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 13 [2022-02-14 21:26:34,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-14 21:26:34,405 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-02-14 21:26:34,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-14 21:26:34,405 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-02-14 21:26:34,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-02-14 21:26:34,406 INFO L506 BasicCegarLoop]: Found error trace [2022-02-14 21:26:34,406 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-14 21:26:34,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-14 21:26:34,406 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-14 21:26:34,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-14 21:26:34,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1773342651, now seen corresponding path program 1 times [2022-02-14 21:26:34,407 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-14 21:26:34,407 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090317977] [2022-02-14 21:26:34,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-14 21:26:34,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-14 21:26:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:34,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-14 21:26:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:34,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-14 21:26:34,575 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-14 21:26:34,575 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090317977] [2022-02-14 21:26:34,575 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090317977] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-14 21:26:34,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630951008] [2022-02-14 21:26:34,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-14 21:26:34,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-14 21:26:34,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-14 21:26:34,578 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-14 21:26:34,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-14 21:26:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:34,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-14 21:26:34,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-14 21:26:34,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-14 21:26:34,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-14 21:26:34,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-14 21:26:35,000 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630951008] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-14 21:26:35,000 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-14 21:26:35,000 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8] total 16 [2022-02-14 21:26:35,000 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522924609] [2022-02-14 21:26:35,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-14 21:26:35,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-14 21:26:35,001 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-14 21:26:35,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-14 21:26:35,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-02-14 21:26:35,002 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-14 21:26:35,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-14 21:26:35,055 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2022-02-14 21:26:35,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-14 21:26:35,056 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-02-14 21:26:35,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-14 21:26:35,056 INFO L225 Difference]: With dead ends: 28 [2022-02-14 21:26:35,057 INFO L226 Difference]: Without dead ends: 28 [2022-02-14 21:26:35,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-02-14 21:26:35,058 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-14 21:26:35,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 71 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-14 21:26:35,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-02-14 21:26:35,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-02-14 21:26:35,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-14 21:26:35,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-02-14 21:26:35,061 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 14 [2022-02-14 21:26:35,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-14 21:26:35,061 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-02-14 21:26:35,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-14 21:26:35,062 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-02-14 21:26:35,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-14 21:26:35,062 INFO L506 BasicCegarLoop]: Found error trace [2022-02-14 21:26:35,062 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-14 21:26:35,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-14 21:26:35,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-14 21:26:35,263 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-14 21:26:35,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-14 21:26:35,264 INFO L85 PathProgramCache]: Analyzing trace with hash 259423101, now seen corresponding path program 1 times [2022-02-14 21:26:35,264 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-14 21:26:35,264 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424437121] [2022-02-14 21:26:35,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-14 21:26:35,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-14 21:26:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:35,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-14 21:26:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:35,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-14 21:26:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:35,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-14 21:26:35,320 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-14 21:26:35,320 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424437121] [2022-02-14 21:26:35,320 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424437121] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-14 21:26:35,320 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354287160] [2022-02-14 21:26:35,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-14 21:26:35,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-14 21:26:35,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-14 21:26:35,322 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-14 21:26:35,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-14 21:26:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:35,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-14 21:26:35,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-14 21:26:35,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-14 21:26:35,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-14 21:26:35,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-14 21:26:35,453 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354287160] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-14 21:26:35,453 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-14 21:26:35,453 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 12 [2022-02-14 21:26:35,454 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760154603] [2022-02-14 21:26:35,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-14 21:26:35,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-14 21:26:35,454 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-14 21:26:35,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-14 21:26:35,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-02-14 21:26:35,455 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 9 states have internal predecessors, (28), 6 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-14 21:26:35,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-14 21:26:35,648 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2022-02-14 21:26:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-14 21:26:35,648 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 9 states have internal predecessors, (28), 6 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 21 [2022-02-14 21:26:35,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-14 21:26:35,651 INFO L225 Difference]: With dead ends: 49 [2022-02-14 21:26:35,651 INFO L226 Difference]: Without dead ends: 49 [2022-02-14 21:26:35,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2022-02-14 21:26:35,657 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 50 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-14 21:26:35,658 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 60 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-14 21:26:35,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-02-14 21:26:35,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 42. [2022-02-14 21:26:35,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 31 states have internal predecessors, (36), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-14 21:26:35,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2022-02-14 21:26:35,664 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 21 [2022-02-14 21:26:35,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-14 21:26:35,664 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2022-02-14 21:26:35,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 9 states have internal predecessors, (28), 6 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-14 21:26:35,664 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-02-14 21:26:35,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-14 21:26:35,665 INFO L506 BasicCegarLoop]: Found error trace [2022-02-14 21:26:35,665 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-14 21:26:35,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-14 21:26:35,875 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,SelfDestructingSolverStorable5 [2022-02-14 21:26:35,876 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-14 21:26:35,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-14 21:26:35,876 INFO L85 PathProgramCache]: Analyzing trace with hash -515836157, now seen corresponding path program 2 times [2022-02-14 21:26:35,876 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-14 21:26:35,876 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273635572] [2022-02-14 21:26:35,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-14 21:26:35,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-14 21:26:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:35,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-14 21:26:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:35,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-14 21:26:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:35,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-14 21:26:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:35,956 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-14 21:26:35,956 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-14 21:26:35,956 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273635572] [2022-02-14 21:26:35,956 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273635572] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-14 21:26:35,956 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857137029] [2022-02-14 21:26:35,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-14 21:26:35,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-14 21:26:35,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-14 21:26:35,957 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-14 21:26:35,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-14 21:26:36,001 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-14 21:26:36,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-14 21:26:36,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-14 21:26:36,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-14 21:26:36,086 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-14 21:26:36,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-14 21:26:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-14 21:26:36,152 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857137029] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-14 21:26:36,153 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-14 21:26:36,153 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2022-02-14 21:26:36,153 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250258502] [2022-02-14 21:26:36,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-14 21:26:36,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-14 21:26:36,153 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-14 21:26:36,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-14 21:26:36,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-02-14 21:26:36,154 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-14 21:26:36,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-14 21:26:36,328 INFO L93 Difference]: Finished difference Result 62 states and 78 transitions. [2022-02-14 21:26:36,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-14 21:26:36,333 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 30 [2022-02-14 21:26:36,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-14 21:26:36,335 INFO L225 Difference]: With dead ends: 62 [2022-02-14 21:26:36,335 INFO L226 Difference]: Without dead ends: 62 [2022-02-14 21:26:36,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-02-14 21:26:36,336 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 60 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-14 21:26:36,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 43 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-14 21:26:36,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-02-14 21:26:36,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-02-14 21:26:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 47 states have internal predecessors, (56), 12 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-02-14 21:26:36,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2022-02-14 21:26:36,342 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 30 [2022-02-14 21:26:36,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-14 21:26:36,342 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-02-14 21:26:36,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-14 21:26:36,342 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2022-02-14 21:26:36,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-14 21:26:36,344 INFO L506 BasicCegarLoop]: Found error trace [2022-02-14 21:26:36,351 INFO L514 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-14 21:26:36,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-14 21:26:36,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-14 21:26:36,563 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-14 21:26:36,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-14 21:26:36,564 INFO L85 PathProgramCache]: Analyzing trace with hash -820041341, now seen corresponding path program 3 times [2022-02-14 21:26:36,564 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-14 21:26:36,564 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485726192] [2022-02-14 21:26:36,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-14 21:26:36,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-14 21:26:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:36,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-14 21:26:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:36,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-14 21:26:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:36,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-14 21:26:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:36,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-14 21:26:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:36,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-14 21:26:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:36,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-14 21:26:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:36,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-14 21:26:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:36,780 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 12 proven. 111 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-14 21:26:36,780 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-14 21:26:36,780 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485726192] [2022-02-14 21:26:36,781 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485726192] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-14 21:26:36,781 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843386397] [2022-02-14 21:26:36,781 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-14 21:26:36,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-14 21:26:36,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-14 21:26:36,796 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-14 21:26:36,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-14 21:26:36,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-02-14 21:26:36,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-14 21:26:36,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-14 21:26:36,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-14 21:26:37,113 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-02-14 21:26:37,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-14 21:26:37,114 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843386397] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-14 21:26:37,114 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-14 21:26:37,114 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2022-02-14 21:26:37,114 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304510709] [2022-02-14 21:26:37,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-14 21:26:37,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-14 21:26:37,114 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-14 21:26:37,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-14 21:26:37,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2022-02-14 21:26:37,115 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-14 21:26:37,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-14 21:26:37,221 INFO L93 Difference]: Finished difference Result 66 states and 81 transitions. [2022-02-14 21:26:37,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-14 21:26:37,222 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 66 [2022-02-14 21:26:37,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-14 21:26:37,223 INFO L225 Difference]: With dead ends: 66 [2022-02-14 21:26:37,223 INFO L226 Difference]: Without dead ends: 64 [2022-02-14 21:26:37,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2022-02-14 21:26:37,223 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 13 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-14 21:26:37,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 104 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-14 21:26:37,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-02-14 21:26:37,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 54. [2022-02-14 21:26:37,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 10 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-14 21:26:37,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2022-02-14 21:26:37,227 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 66 [2022-02-14 21:26:37,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-14 21:26:37,228 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2022-02-14 21:26:37,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-14 21:26:37,228 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-02-14 21:26:37,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-02-14 21:26:37,229 INFO L506 BasicCegarLoop]: Found error trace [2022-02-14 21:26:37,229 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-14 21:26:37,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-14 21:26:37,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-14 21:26:37,439 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-14 21:26:37,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-14 21:26:37,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1241135261, now seen corresponding path program 1 times [2022-02-14 21:26:37,439 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-14 21:26:37,440 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837622172] [2022-02-14 21:26:37,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-14 21:26:37,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-14 21:26:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:37,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-14 21:26:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:37,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-14 21:26:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:37,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-14 21:26:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:37,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-14 21:26:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:37,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-14 21:26:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:37,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-14 21:26:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:37,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-14 21:26:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:37,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-02-14 21:26:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:37,571 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 15 proven. 111 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-02-14 21:26:37,571 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-14 21:26:37,571 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837622172] [2022-02-14 21:26:37,572 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837622172] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-14 21:26:37,572 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475943514] [2022-02-14 21:26:37,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-14 21:26:37,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-14 21:26:37,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-14 21:26:37,574 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-14 21:26:37,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-14 21:26:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:37,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-14 21:26:37,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-14 21:26:37,754 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 14 proven. 42 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-02-14 21:26:37,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-14 21:26:37,935 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-02-14 21:26:37,935 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475943514] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-14 21:26:37,935 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-14 21:26:37,936 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 18 [2022-02-14 21:26:37,936 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279666384] [2022-02-14 21:26:37,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-14 21:26:37,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-14 21:26:37,936 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-14 21:26:37,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-14 21:26:37,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-02-14 21:26:37,937 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand has 18 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 12 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-14 21:26:38,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-14 21:26:38,904 INFO L93 Difference]: Finished difference Result 192 states and 262 transitions. [2022-02-14 21:26:38,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-14 21:26:38,904 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 12 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) Word has length 73 [2022-02-14 21:26:38,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-14 21:26:38,906 INFO L225 Difference]: With dead ends: 192 [2022-02-14 21:26:38,906 INFO L226 Difference]: Without dead ends: 192 [2022-02-14 21:26:38,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=520, Invalid=2030, Unknown=0, NotChecked=0, Total=2550 [2022-02-14 21:26:38,907 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 411 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-14 21:26:38,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [411 Valid, 80 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-14 21:26:38,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-02-14 21:26:38,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 176. [2022-02-14 21:26:38,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 137 states have (on average 1.2408759124087592) internal successors, (170), 137 states have internal predecessors, (170), 35 states have call successors, (35), 5 states have call predecessors, (35), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-02-14 21:26:38,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 238 transitions. [2022-02-14 21:26:38,917 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 238 transitions. Word has length 73 [2022-02-14 21:26:38,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-14 21:26:38,917 INFO L470 AbstractCegarLoop]: Abstraction has 176 states and 238 transitions. [2022-02-14 21:26:38,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 12 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-14 21:26:38,917 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 238 transitions. [2022-02-14 21:26:38,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-02-14 21:26:38,920 INFO L506 BasicCegarLoop]: Found error trace [2022-02-14 21:26:38,920 INFO L514 BasicCegarLoop]: trace histogram [33, 32, 32, 28, 28, 28, 28, 28, 28, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-14 21:26:38,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-14 21:26:39,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-14 21:26:39,136 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-14 21:26:39,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-14 21:26:39,136 INFO L85 PathProgramCache]: Analyzing trace with hash 827581691, now seen corresponding path program 2 times [2022-02-14 21:26:39,136 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-14 21:26:39,136 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245530940] [2022-02-14 21:26:39,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-14 21:26:39,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-14 21:26:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-14 21:26:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-14 21:26:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-14 21:26:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-14 21:26:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-14 21:26:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-14 21:26:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-14 21:26:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-02-14 21:26:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-02-14 21:26:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-02-14 21:26:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-02-14 21:26:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-02-14 21:26:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-02-14 21:26:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-02-14 21:26:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-02-14 21:26:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-02-14 21:26:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-02-14 21:26:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-02-14 21:26:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-02-14 21:26:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-02-14 21:26:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-02-14 21:26:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-02-14 21:26:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-02-14 21:26:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-02-14 21:26:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-02-14 21:26:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-02-14 21:26:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-02-14 21:26:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-02-14 21:26:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-02-14 21:26:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-02-14 21:26:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-02-14 21:26:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-02-14 21:26:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-02-14 21:26:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 1142 proven. 154 refuted. 0 times theorem prover too weak. 3566 trivial. 0 not checked. [2022-02-14 21:26:39,422 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-14 21:26:39,422 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245530940] [2022-02-14 21:26:39,422 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245530940] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-14 21:26:39,422 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192497695] [2022-02-14 21:26:39,423 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-14 21:26:39,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-14 21:26:39,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-14 21:26:39,424 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-14 21:26:39,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-14 21:26:39,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-14 21:26:39,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-14 21:26:39,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-14 21:26:39,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-14 21:26:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 64 proven. 2303 refuted. 0 times theorem prover too weak. 2495 trivial. 0 not checked. [2022-02-14 21:26:40,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-14 21:26:40,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 151 proven. 2216 refuted. 0 times theorem prover too weak. 2495 trivial. 0 not checked. [2022-02-14 21:26:40,795 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192497695] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-14 21:26:40,795 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-14 21:26:40,795 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 31 [2022-02-14 21:26:40,795 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988460379] [2022-02-14 21:26:40,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-14 21:26:40,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-14 21:26:40,796 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-14 21:26:40,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-14 21:26:40,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=744, Unknown=0, NotChecked=0, Total=930 [2022-02-14 21:26:40,797 INFO L87 Difference]: Start difference. First operand 176 states and 238 transitions. Second operand has 31 states, 31 states have (on average 4.580645161290323) internal successors, (142), 30 states have internal predecessors, (142), 25 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 25 states have call predecessors, (34), 25 states have call successors, (34) [2022-02-14 21:26:46,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-14 21:26:46,793 INFO L93 Difference]: Finished difference Result 500 states and 698 transitions. [2022-02-14 21:26:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-02-14 21:26:46,793 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 4.580645161290323) internal successors, (142), 30 states have internal predecessors, (142), 25 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 25 states have call predecessors, (34), 25 states have call successors, (34) Word has length 295 [2022-02-14 21:26:46,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-14 21:26:46,795 INFO L225 Difference]: With dead ends: 500 [2022-02-14 21:26:46,795 INFO L226 Difference]: Without dead ends: 500 [2022-02-14 21:26:46,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 638 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5322 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=2534, Invalid=12966, Unknown=0, NotChecked=0, Total=15500 [2022-02-14 21:26:46,800 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 1016 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 4112 mSolverCounterSat, 751 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1016 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 4863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 751 IncrementalHoareTripleChecker+Valid, 4112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-14 21:26:46,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1016 Valid, 200 Invalid, 4863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [751 Valid, 4112 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-02-14 21:26:46,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2022-02-14 21:26:46,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 460. [2022-02-14 21:26:46,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 363 states have (on average 1.2506887052341598) internal successors, (454), 363 states have internal predecessors, (454), 93 states have call successors, (93), 5 states have call predecessors, (93), 3 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2022-02-14 21:26:46,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 638 transitions. [2022-02-14 21:26:46,819 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 638 transitions. Word has length 295 [2022-02-14 21:26:46,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-14 21:26:46,819 INFO L470 AbstractCegarLoop]: Abstraction has 460 states and 638 transitions. [2022-02-14 21:26:46,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.580645161290323) internal successors, (142), 30 states have internal predecessors, (142), 25 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 25 states have call predecessors, (34), 25 states have call successors, (34) [2022-02-14 21:26:46,819 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 638 transitions. [2022-02-14 21:26:46,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2022-02-14 21:26:46,831 INFO L506 BasicCegarLoop]: Found error trace [2022-02-14 21:26:46,832 INFO L514 BasicCegarLoop]: trace histogram [91, 90, 90, 80, 80, 80, 80, 80, 80, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-14 21:26:46,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-14 21:26:47,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-14 21:26:47,032 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-14 21:26:47,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-14 21:26:47,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1825980721, now seen corresponding path program 3 times [2022-02-14 21:26:47,033 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-14 21:26:47,033 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594159623] [2022-02-14 21:26:47,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-14 21:26:47,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-14 21:26:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-14 21:26:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-14 21:26:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-14 21:26:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-14 21:26:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-14 21:26:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-14 21:26:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-14 21:26:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-02-14 21:26:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-02-14 21:26:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-02-14 21:26:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-02-14 21:26:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-02-14 21:26:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-02-14 21:26:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-02-14 21:26:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-02-14 21:26:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-02-14 21:26:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-02-14 21:26:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-02-14 21:26:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-02-14 21:26:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-02-14 21:26:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-02-14 21:26:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-02-14 21:26:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-02-14 21:26:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-02-14 21:26:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-02-14 21:26:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-02-14 21:26:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-02-14 21:26:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-02-14 21:26:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-02-14 21:26:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-02-14 21:26:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-02-14 21:26:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-02-14 21:26:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-02-14 21:26:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-02-14 21:26:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-02-14 21:26:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-02-14 21:26:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-02-14 21:26:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-02-14 21:26:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-02-14 21:26:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-02-14 21:26:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-02-14 21:26:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-02-14 21:26:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-02-14 21:26:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-02-14 21:26:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-02-14 21:26:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-02-14 21:26:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-02-14 21:26:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-02-14 21:26:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-02-14 21:26:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-02-14 21:26:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-02-14 21:26:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-02-14 21:26:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-02-14 21:26:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-02-14 21:26:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-02-14 21:26:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-02-14 21:26:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-02-14 21:26:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-02-14 21:26:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-02-14 21:26:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-02-14 21:26:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-02-14 21:26:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-02-14 21:26:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-02-14 21:26:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-02-14 21:26:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-02-14 21:26:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-02-14 21:26:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2022-02-14 21:26:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-02-14 21:26:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-02-14 21:26:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2022-02-14 21:26:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2022-02-14 21:26:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2022-02-14 21:26:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2022-02-14 21:26:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2022-02-14 21:26:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-02-14 21:26:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-02-14 21:26:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2022-02-14 21:26:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-02-14 21:26:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2022-02-14 21:26:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2022-02-14 21:26:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2022-02-14 21:26:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2022-02-14 21:26:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 730 [2022-02-14 21:26:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 739 [2022-02-14 21:26:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 748 [2022-02-14 21:26:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 757 [2022-02-14 21:26:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 766 [2022-02-14 21:26:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 775 [2022-02-14 21:26:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 784 [2022-02-14 21:26:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 793 [2022-02-14 21:26:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-02-14 21:26:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4375 proven. 204 refuted. 0 times theorem prover too weak. 34811 trivial. 0 not checked. [2022-02-14 21:26:47,704 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-14 21:26:47,705 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594159623] [2022-02-14 21:26:47,705 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594159623] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-14 21:26:47,705 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596270753] [2022-02-14 21:26:47,705 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-14 21:26:47,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-14 21:26:47,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-14 21:26:47,706 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-14 21:26:47,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-14 21:26:48,359 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2022-02-14 21:26:48,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-14 21:26:48,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-14 21:26:48,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-14 21:26:49,340 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4747 proven. 204 refuted. 0 times theorem prover too weak. 34439 trivial. 0 not checked. [2022-02-14 21:26:49,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-14 21:26:50,336 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4393 proven. 204 refuted. 0 times theorem prover too weak. 34793 trivial. 0 not checked. [2022-02-14 21:26:50,337 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596270753] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-14 21:26:50,337 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-14 21:26:50,337 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 22 [2022-02-14 21:26:50,337 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093626550] [2022-02-14 21:26:50,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-14 21:26:50,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-14 21:26:50,340 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-14 21:26:50,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-14 21:26:50,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2022-02-14 21:26:50,341 INFO L87 Difference]: Start difference. First operand 460 states and 638 transitions. Second operand has 22 states, 22 states have (on average 4.409090909090909) internal successors, (97), 21 states have internal predecessors, (97), 18 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 18 states have call predecessors, (22), 18 states have call successors, (22) [2022-02-14 21:26:52,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-14 21:26:52,545 INFO L93 Difference]: Finished difference Result 960 states and 1338 transitions. [2022-02-14 21:26:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-14 21:26:52,545 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.409090909090909) internal successors, (97), 21 states have internal predecessors, (97), 18 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 18 states have call predecessors, (22), 18 states have call successors, (22) Word has length 811 [2022-02-14 21:26:52,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-14 21:26:52,549 INFO L225 Difference]: With dead ends: 960 [2022-02-14 21:26:52,549 INFO L226 Difference]: Without dead ends: 960 [2022-02-14 21:26:52,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1833 GetRequests, 1794 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=455, Invalid=1105, Unknown=0, NotChecked=0, Total=1560 [2022-02-14 21:26:52,550 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 150 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-14 21:26:52,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 91 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-14 21:26:52,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2022-02-14 21:26:52,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 960. [2022-02-14 21:26:52,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 763 states have (on average 1.2503276539973787) internal successors, (954), 763 states have internal predecessors, (954), 193 states have call successors, (193), 5 states have call predecessors, (193), 3 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) [2022-02-14 21:26:52,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1338 transitions. [2022-02-14 21:26:52,569 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1338 transitions. Word has length 811 [2022-02-14 21:26:52,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-14 21:26:52,570 INFO L470 AbstractCegarLoop]: Abstraction has 960 states and 1338 transitions. [2022-02-14 21:26:52,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.409090909090909) internal successors, (97), 21 states have internal predecessors, (97), 18 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 18 states have call predecessors, (22), 18 states have call successors, (22) [2022-02-14 21:26:52,570 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1338 transitions. [2022-02-14 21:26:52,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1712 [2022-02-14 21:26:52,610 INFO L506 BasicCegarLoop]: Found error trace [2022-02-14 21:26:52,610 INFO L514 BasicCegarLoop]: trace histogram [191, 190, 190, 180, 180, 180, 180, 180, 180, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-14 21:26:52,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-14 21:26:52,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-14 21:26:52,816 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-14 21:26:52,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-14 21:26:52,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1014981681, now seen corresponding path program 4 times [2022-02-14 21:26:52,819 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-14 21:26:52,819 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949007021] [2022-02-14 21:26:52,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-14 21:26:52,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-14 21:26:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-14 21:26:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-14 21:26:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-14 21:26:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-14 21:26:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-14 21:26:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-14 21:26:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-14 21:26:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-02-14 21:26:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-02-14 21:26:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-02-14 21:26:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-02-14 21:26:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-02-14 21:26:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-02-14 21:26:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-02-14 21:26:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-02-14 21:26:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-02-14 21:26:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-02-14 21:26:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-02-14 21:26:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-02-14 21:26:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-02-14 21:26:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-02-14 21:26:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-02-14 21:26:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-02-14 21:26:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-02-14 21:26:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-02-14 21:26:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-02-14 21:26:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-02-14 21:26:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-02-14 21:26:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-02-14 21:26:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-02-14 21:26:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-02-14 21:26:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-02-14 21:26:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-02-14 21:26:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-02-14 21:26:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-02-14 21:26:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-02-14 21:26:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-02-14 21:26:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-02-14 21:26:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-02-14 21:26:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-02-14 21:26:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-02-14 21:26:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-02-14 21:26:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-02-14 21:26:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-02-14 21:26:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-02-14 21:26:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-02-14 21:26:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-02-14 21:26:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-02-14 21:26:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-02-14 21:26:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-02-14 21:26:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-02-14 21:26:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-02-14 21:26:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-02-14 21:26:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-02-14 21:26:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-02-14 21:26:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-02-14 21:26:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-02-14 21:26:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-02-14 21:26:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-02-14 21:26:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-02-14 21:26:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-02-14 21:26:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-02-14 21:26:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-02-14 21:26:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-02-14 21:26:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-02-14 21:26:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-02-14 21:26:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-02-14 21:26:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-02-14 21:26:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-02-14 21:26:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-02-14 21:26:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-02-14 21:26:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-02-14 21:26:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-02-14 21:26:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-02-14 21:26:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-02-14 21:26:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-02-14 21:26:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2022-02-14 21:26:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 690 [2022-02-14 21:26:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2022-02-14 21:26:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2022-02-14 21:26:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 717 [2022-02-14 21:26:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 726 [2022-02-14 21:26:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 735 [2022-02-14 21:26:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2022-02-14 21:26:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 753 [2022-02-14 21:26:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 762 [2022-02-14 21:26:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 771 [2022-02-14 21:26:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 780 [2022-02-14 21:26:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 789 [2022-02-14 21:26:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 798 [2022-02-14 21:26:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 807 [2022-02-14 21:26:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 816 [2022-02-14 21:26:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 825 [2022-02-14 21:26:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 834 [2022-02-14 21:26:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2022-02-14 21:26:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 850 [2022-02-14 21:26:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2022-02-14 21:26:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2022-02-14 21:26:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 878 [2022-02-14 21:26:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2022-02-14 21:26:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 896 [2022-02-14 21:26:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2022-02-14 21:26:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2022-02-14 21:26:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2022-02-14 21:26:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2022-02-14 21:26:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2022-02-14 21:26:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2022-02-14 21:26:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2022-02-14 21:26:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2022-02-14 21:26:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 977 [2022-02-14 21:26:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 986 [2022-02-14 21:26:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 995 [2022-02-14 21:26:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2022-02-14 21:26:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1013 [2022-02-14 21:26:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1020 [2022-02-14 21:26:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1030 [2022-02-14 21:26:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1039 [2022-02-14 21:26:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1048 [2022-02-14 21:26:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1057 [2022-02-14 21:26:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1066 [2022-02-14 21:26:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1075 [2022-02-14 21:26:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1084 [2022-02-14 21:26:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1093 [2022-02-14 21:26:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1102 [2022-02-14 21:26:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1111 [2022-02-14 21:26:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1120 [2022-02-14 21:26:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1129 [2022-02-14 21:26:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1138 [2022-02-14 21:26:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1147 [2022-02-14 21:26:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1156 [2022-02-14 21:26:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1165 [2022-02-14 21:26:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1174 [2022-02-14 21:26:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1183 [2022-02-14 21:26:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1190 [2022-02-14 21:26:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2022-02-14 21:26:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2022-02-14 21:26:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1218 [2022-02-14 21:26:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1227 [2022-02-14 21:26:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1236 [2022-02-14 21:26:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2022-02-14 21:26:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1254 [2022-02-14 21:26:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1263 [2022-02-14 21:26:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1272 [2022-02-14 21:26:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1281 [2022-02-14 21:26:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2022-02-14 21:26:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1299 [2022-02-14 21:26:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1308 [2022-02-14 21:26:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1317 [2022-02-14 21:26:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1326 [2022-02-14 21:26:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2022-02-14 21:26:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1344 [2022-02-14 21:26:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1353 [2022-02-14 21:26:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1360 [2022-02-14 21:26:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1370 [2022-02-14 21:26:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1379 [2022-02-14 21:26:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1388 [2022-02-14 21:26:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1397 [2022-02-14 21:26:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1406 [2022-02-14 21:26:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1415 [2022-02-14 21:26:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1424 [2022-02-14 21:26:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1433 [2022-02-14 21:26:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1442 [2022-02-14 21:26:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1451 [2022-02-14 21:26:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1460 [2022-02-14 21:26:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1469 [2022-02-14 21:26:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1478 [2022-02-14 21:26:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1487 [2022-02-14 21:26:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1496 [2022-02-14 21:26:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1505 [2022-02-14 21:26:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1514 [2022-02-14 21:26:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1523 [2022-02-14 21:26:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2022-02-14 21:26:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1540 [2022-02-14 21:26:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1549 [2022-02-14 21:26:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1558 [2022-02-14 21:26:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1567 [2022-02-14 21:26:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1576 [2022-02-14 21:26:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1585 [2022-02-14 21:26:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1594 [2022-02-14 21:26:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1603 [2022-02-14 21:26:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1612 [2022-02-14 21:26:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1621 [2022-02-14 21:26:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1630 [2022-02-14 21:26:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1639 [2022-02-14 21:26:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1648 [2022-02-14 21:26:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1657 [2022-02-14 21:26:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1666 [2022-02-14 21:26:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1675 [2022-02-14 21:26:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1684 [2022-02-14 21:26:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1693 [2022-02-14 21:26:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1700 [2022-02-14 21:26:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:26:54,888 INFO L134 CoverageAnalysis]: Checked inductivity of 187140 backedges. 21135 proven. 1089 refuted. 0 times theorem prover too weak. 164916 trivial. 0 not checked. [2022-02-14 21:26:54,888 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-14 21:26:54,888 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949007021] [2022-02-14 21:26:54,888 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949007021] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-14 21:26:54,888 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67181965] [2022-02-14 21:26:54,888 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-14 21:26:54,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-14 21:26:54,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-14 21:26:54,912 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-14 21:26:54,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-14 21:26:57,422 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-14 21:26:57,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-14 21:26:57,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 3087 conjuncts, 39 conjunts are in the unsatisfiable core [2022-02-14 21:26:57,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-14 21:26:59,453 INFO L134 CoverageAnalysis]: Checked inductivity of 187140 backedges. 101955 proven. 1089 refuted. 0 times theorem prover too weak. 84096 trivial. 0 not checked. [2022-02-14 21:26:59,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-14 21:27:01,961 INFO L134 CoverageAnalysis]: Checked inductivity of 187140 backedges. 67305 proven. 1089 refuted. 0 times theorem prover too weak. 118746 trivial. 0 not checked. [2022-02-14 21:27:01,962 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67181965] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-14 21:27:01,962 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-14 21:27:01,962 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 42 [2022-02-14 21:27:01,962 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745858289] [2022-02-14 21:27:01,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-14 21:27:01,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-02-14 21:27:01,964 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-14 21:27:01,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-02-14 21:27:01,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=1242, Unknown=0, NotChecked=0, Total=1722 [2022-02-14 21:27:01,965 INFO L87 Difference]: Start difference. First operand 960 states and 1338 transitions. Second operand has 42 states, 42 states have (on average 4.214285714285714) internal successors, (177), 41 states have internal predecessors, (177), 38 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (43), 38 states have call predecessors, (43), 38 states have call successors, (43) [2022-02-14 21:27:54,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-14 21:27:54,847 INFO L93 Difference]: Finished difference Result 1960 states and 2738 transitions. [2022-02-14 21:27:54,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-14 21:27:54,848 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 4.214285714285714) internal successors, (177), 41 states have internal predecessors, (177), 38 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (43), 38 states have call predecessors, (43), 38 states have call successors, (43) Word has length 1711 [2022-02-14 21:27:54,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-14 21:27:54,853 INFO L225 Difference]: With dead ends: 1960 [2022-02-14 21:27:54,854 INFO L226 Difference]: Without dead ends: 1960 [2022-02-14 21:27:54,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3863 GetRequests, 3784 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 765 ImplicationChecksByTransitivity, 52.3s TimeCoverageRelationStatistics Valid=1714, Invalid=4605, Unknown=1, NotChecked=0, Total=6320 [2022-02-14 21:27:54,855 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 300 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 2724 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 2968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 2724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-02-14 21:27:54,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [301 Valid, 171 Invalid, 2968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 2724 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-02-14 21:27:54,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1960 states. [2022-02-14 21:27:54,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1960 to 1960. [2022-02-14 21:27:54,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1960 states, 1563 states have (on average 1.2501599488163788) internal successors, (1954), 1563 states have internal predecessors, (1954), 393 states have call successors, (393), 5 states have call predecessors, (393), 3 states have return successors, (391), 391 states have call predecessors, (391), 391 states have call successors, (391) [2022-02-14 21:27:54,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1960 states and 2738 transitions. [2022-02-14 21:27:54,887 INFO L78 Accepts]: Start accepts. Automaton has 1960 states and 2738 transitions. Word has length 1711 [2022-02-14 21:27:54,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-14 21:27:54,888 INFO L470 AbstractCegarLoop]: Abstraction has 1960 states and 2738 transitions. [2022-02-14 21:27:54,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.214285714285714) internal successors, (177), 41 states have internal predecessors, (177), 38 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (43), 38 states have call predecessors, (43), 38 states have call successors, (43) [2022-02-14 21:27:54,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2738 transitions. [2022-02-14 21:27:54,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3512 [2022-02-14 21:27:54,968 INFO L506 BasicCegarLoop]: Found error trace [2022-02-14 21:27:54,969 INFO L514 BasicCegarLoop]: trace histogram [391, 390, 390, 380, 380, 380, 380, 380, 380, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-14 21:27:54,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-14 21:27:55,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-14 21:27:55,182 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-14 21:27:55,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-14 21:27:55,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1567356367, now seen corresponding path program 5 times [2022-02-14 21:27:55,183 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-14 21:27:55,183 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175784984] [2022-02-14 21:27:55,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-14 21:27:55,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-14 21:27:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-14 21:27:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-14 21:27:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-14 21:27:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-14 21:27:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-14 21:27:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-14 21:27:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-14 21:27:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-02-14 21:27:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-02-14 21:27:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-02-14 21:27:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-02-14 21:27:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-02-14 21:27:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-02-14 21:27:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-02-14 21:27:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-02-14 21:27:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-02-14 21:27:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-02-14 21:27:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-02-14 21:27:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-02-14 21:27:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-02-14 21:27:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-02-14 21:27:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-02-14 21:27:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-02-14 21:27:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-02-14 21:27:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-02-14 21:27:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-02-14 21:27:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-02-14 21:27:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-02-14 21:27:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-02-14 21:27:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-02-14 21:27:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-02-14 21:27:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-02-14 21:27:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-02-14 21:27:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-02-14 21:27:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-02-14 21:27:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-02-14 21:27:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-02-14 21:27:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-02-14 21:27:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-02-14 21:27:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-02-14 21:27:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-02-14 21:27:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-02-14 21:27:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-02-14 21:27:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-02-14 21:27:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-02-14 21:27:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-02-14 21:27:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-02-14 21:27:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-02-14 21:27:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-02-14 21:27:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-02-14 21:27:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-02-14 21:27:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-02-14 21:27:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-02-14 21:27:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-02-14 21:27:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-02-14 21:27:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-02-14 21:27:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-02-14 21:27:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-02-14 21:27:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-02-14 21:27:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-02-14 21:27:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-02-14 21:27:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2022-02-14 21:27:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2022-02-14 21:27:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2022-02-14 21:27:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-02-14 21:27:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-02-14 21:27:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2022-02-14 21:27:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2022-02-14 21:27:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-02-14 21:27:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2022-02-14 21:27:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2022-02-14 21:27:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2022-02-14 21:27:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2022-02-14 21:27:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2022-02-14 21:27:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2022-02-14 21:27:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2022-02-14 21:27:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 684 [2022-02-14 21:27:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2022-02-14 21:27:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-02-14 21:27:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-02-14 21:27:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2022-02-14 21:27:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 728 [2022-02-14 21:27:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2022-02-14 21:27:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2022-02-14 21:27:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2022-02-14 21:27:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 764 [2022-02-14 21:27:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2022-02-14 21:27:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 782 [2022-02-14 21:27:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2022-02-14 21:27:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-02-14 21:27:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2022-02-14 21:27:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 818 [2022-02-14 21:27:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2022-02-14 21:27:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2022-02-14 21:27:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2022-02-14 21:27:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2022-02-14 21:27:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2022-02-14 21:27:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:27:59,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 872 [2022-02-14 21:27:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2022-02-14 21:28:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 890 [2022-02-14 21:28:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2022-02-14 21:28:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 908 [2022-02-14 21:28:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2022-02-14 21:28:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2022-02-14 21:28:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 935 [2022-02-14 21:28:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2022-02-14 21:28:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 953 [2022-02-14 21:28:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2022-02-14 21:28:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 971 [2022-02-14 21:28:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2022-02-14 21:28:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2022-02-14 21:28:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2022-02-14 21:28:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1007 [2022-02-14 21:28:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2022-02-14 21:28:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1025 [2022-02-14 21:28:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2022-02-14 21:28:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1043 [2022-02-14 21:28:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1050 [2022-02-14 21:28:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-02-14 21:28:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-02-14 21:28:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-02-14 21:28:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-02-14 21:28:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-02-14 21:28:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-02-14 21:28:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-02-14 21:28:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-02-14 21:28:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2022-02-14 21:28:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2022-02-14 21:28:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2022-02-14 21:28:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2022-02-14 21:28:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2022-02-14 21:28:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2022-02-14 21:28:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2022-02-14 21:28:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2022-02-14 21:28:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2022-02-14 21:28:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1213 [2022-02-14 21:28:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2022-02-14 21:28:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2022-02-14 21:28:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1240 [2022-02-14 21:28:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1249 [2022-02-14 21:28:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1258 [2022-02-14 21:28:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2022-02-14 21:28:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2022-02-14 21:28:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1285 [2022-02-14 21:28:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1294 [2022-02-14 21:28:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1303 [2022-02-14 21:28:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1312 [2022-02-14 21:28:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1321 [2022-02-14 21:28:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2022-02-14 21:28:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1339 [2022-02-14 21:28:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1348 [2022-02-14 21:28:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1357 [2022-02-14 21:28:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1366 [2022-02-14 21:28:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2022-02-14 21:28:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1384 [2022-02-14 21:28:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1393 [2022-02-14 21:28:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1400 [2022-02-14 21:28:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2022-02-14 21:28:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1419 [2022-02-14 21:28:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1428 [2022-02-14 21:28:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1437 [2022-02-14 21:28:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1446 [2022-02-14 21:28:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2022-02-14 21:28:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1464 [2022-02-14 21:28:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1473 [2022-02-14 21:28:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1482 [2022-02-14 21:28:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1491 [2022-02-14 21:28:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2022-02-14 21:28:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1509 [2022-02-14 21:28:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1518 [2022-02-14 21:28:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1527 [2022-02-14 21:28:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1536 [2022-02-14 21:28:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2022-02-14 21:28:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1554 [2022-02-14 21:28:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1563 [2022-02-14 21:28:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1572 [2022-02-14 21:28:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1581 [2022-02-14 21:28:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1590 [2022-02-14 21:28:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1599 [2022-02-14 21:28:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1608 [2022-02-14 21:28:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1617 [2022-02-14 21:28:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1626 [2022-02-14 21:28:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1635 [2022-02-14 21:28:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1644 [2022-02-14 21:28:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1653 [2022-02-14 21:28:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2022-02-14 21:28:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1671 [2022-02-14 21:28:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1680 [2022-02-14 21:28:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1689 [2022-02-14 21:28:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1698 [2022-02-14 21:28:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1707 [2022-02-14 21:28:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1716 [2022-02-14 21:28:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1725 [2022-02-14 21:28:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1734 [2022-02-14 21:28:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1743 [2022-02-14 21:28:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1750 [2022-02-14 21:28:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1760 [2022-02-14 21:28:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1769 [2022-02-14 21:28:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1778 [2022-02-14 21:28:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1787 [2022-02-14 21:28:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1796 [2022-02-14 21:28:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1805 [2022-02-14 21:28:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1814 [2022-02-14 21:28:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1823 [2022-02-14 21:28:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1832 [2022-02-14 21:28:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1841 [2022-02-14 21:28:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1850 [2022-02-14 21:28:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1859 [2022-02-14 21:28:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1868 [2022-02-14 21:28:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1877 [2022-02-14 21:28:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1886 [2022-02-14 21:28:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1895 [2022-02-14 21:28:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1904 [2022-02-14 21:28:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1913 [2022-02-14 21:28:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1922 [2022-02-14 21:28:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931 [2022-02-14 21:28:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1940 [2022-02-14 21:28:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949 [2022-02-14 21:28:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1958 [2022-02-14 21:28:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967 [2022-02-14 21:28:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1976 [2022-02-14 21:28:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1985 [2022-02-14 21:28:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1994 [2022-02-14 21:28:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003 [2022-02-14 21:28:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2012 [2022-02-14 21:28:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2021 [2022-02-14 21:28:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2030 [2022-02-14 21:28:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2039 [2022-02-14 21:28:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2048 [2022-02-14 21:28:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2057 [2022-02-14 21:28:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2066 [2022-02-14 21:28:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2075 [2022-02-14 21:28:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2084 [2022-02-14 21:28:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2093 [2022-02-14 21:28:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2100 [2022-02-14 21:28:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2110 [2022-02-14 21:28:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2119 [2022-02-14 21:28:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2128 [2022-02-14 21:28:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2137 [2022-02-14 21:28:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2146 [2022-02-14 21:28:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2155 [2022-02-14 21:28:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2164 [2022-02-14 21:28:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2173 [2022-02-14 21:28:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2182 [2022-02-14 21:28:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2191 [2022-02-14 21:28:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2200 [2022-02-14 21:28:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2209 [2022-02-14 21:28:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2218 [2022-02-14 21:28:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2227 [2022-02-14 21:28:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2236 [2022-02-14 21:28:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2245 [2022-02-14 21:28:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2254 [2022-02-14 21:28:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2263 [2022-02-14 21:28:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2272 [2022-02-14 21:28:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2281 [2022-02-14 21:28:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2290 [2022-02-14 21:28:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2299 [2022-02-14 21:28:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2308 [2022-02-14 21:28:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2317 [2022-02-14 21:28:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2326 [2022-02-14 21:28:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2335 [2022-02-14 21:28:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2344 [2022-02-14 21:28:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2353 [2022-02-14 21:28:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2362 [2022-02-14 21:28:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2371 [2022-02-14 21:28:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2380 [2022-02-14 21:28:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2389 [2022-02-14 21:28:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2398 [2022-02-14 21:28:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2407 [2022-02-14 21:28:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2416 [2022-02-14 21:28:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2425 [2022-02-14 21:28:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2434 [2022-02-14 21:28:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2443 [2022-02-14 21:28:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2450 [2022-02-14 21:28:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2460 [2022-02-14 21:28:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2469 [2022-02-14 21:28:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2478 [2022-02-14 21:28:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2487 [2022-02-14 21:28:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2496 [2022-02-14 21:28:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2505 [2022-02-14 21:28:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2514 [2022-02-14 21:28:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2523 [2022-02-14 21:28:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2532 [2022-02-14 21:28:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2541 [2022-02-14 21:28:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2550 [2022-02-14 21:28:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2559 [2022-02-14 21:28:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2568 [2022-02-14 21:28:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2577 [2022-02-14 21:28:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2586 [2022-02-14 21:28:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2595 [2022-02-14 21:28:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2604 [2022-02-14 21:28:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2613 [2022-02-14 21:28:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2622 [2022-02-14 21:28:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2631 [2022-02-14 21:28:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2640 [2022-02-14 21:28:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2649 [2022-02-14 21:28:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2658 [2022-02-14 21:28:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2667 [2022-02-14 21:28:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2676 [2022-02-14 21:28:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2685 [2022-02-14 21:28:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2694 [2022-02-14 21:28:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2703 [2022-02-14 21:28:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2712 [2022-02-14 21:28:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2721 [2022-02-14 21:28:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2730 [2022-02-14 21:28:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2739 [2022-02-14 21:28:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2748 [2022-02-14 21:28:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2757 [2022-02-14 21:28:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2766 [2022-02-14 21:28:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2775 [2022-02-14 21:28:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2784 [2022-02-14 21:28:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2793 [2022-02-14 21:28:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2800 [2022-02-14 21:28:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2810 [2022-02-14 21:28:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2819 [2022-02-14 21:28:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2828 [2022-02-14 21:28:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2837 [2022-02-14 21:28:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2846 [2022-02-14 21:28:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2855 [2022-02-14 21:28:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2864 [2022-02-14 21:28:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2873 [2022-02-14 21:28:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2882 [2022-02-14 21:28:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2891 [2022-02-14 21:28:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2900 [2022-02-14 21:28:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2909 [2022-02-14 21:28:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2918 [2022-02-14 21:28:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2927 [2022-02-14 21:28:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2936 [2022-02-14 21:28:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2945 [2022-02-14 21:28:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2954 [2022-02-14 21:28:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2963 [2022-02-14 21:28:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2972 [2022-02-14 21:28:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2981 [2022-02-14 21:28:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2990 [2022-02-14 21:28:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2999 [2022-02-14 21:28:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3008 [2022-02-14 21:28:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3017 [2022-02-14 21:28:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3026 [2022-02-14 21:28:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3035 [2022-02-14 21:28:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3044 [2022-02-14 21:28:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3053 [2022-02-14 21:28:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3062 [2022-02-14 21:28:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3071 [2022-02-14 21:28:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3080 [2022-02-14 21:28:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3089 [2022-02-14 21:28:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3098 [2022-02-14 21:28:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3107 [2022-02-14 21:28:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3116 [2022-02-14 21:28:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3125 [2022-02-14 21:28:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3134 [2022-02-14 21:28:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3143 [2022-02-14 21:28:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3150 [2022-02-14 21:28:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3160 [2022-02-14 21:28:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3169 [2022-02-14 21:28:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3178 [2022-02-14 21:28:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3187 [2022-02-14 21:28:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3196 [2022-02-14 21:28:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3205 [2022-02-14 21:28:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3214 [2022-02-14 21:28:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3223 [2022-02-14 21:28:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3232 [2022-02-14 21:28:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3241 [2022-02-14 21:28:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3250 [2022-02-14 21:28:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3259 [2022-02-14 21:28:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3268 [2022-02-14 21:28:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3277 [2022-02-14 21:28:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3286 [2022-02-14 21:28:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3295 [2022-02-14 21:28:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3304 [2022-02-14 21:28:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3313 [2022-02-14 21:28:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3322 [2022-02-14 21:28:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3331 [2022-02-14 21:28:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3340 [2022-02-14 21:28:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2022-02-14 21:28:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3358 [2022-02-14 21:28:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3367 [2022-02-14 21:28:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3376 [2022-02-14 21:28:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3385 [2022-02-14 21:28:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3394 [2022-02-14 21:28:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3403 [2022-02-14 21:28:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3412 [2022-02-14 21:28:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3421 [2022-02-14 21:28:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3430 [2022-02-14 21:28:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3439 [2022-02-14 21:28:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3448 [2022-02-14 21:28:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3457 [2022-02-14 21:28:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3466 [2022-02-14 21:28:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3475 [2022-02-14 21:28:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3484 [2022-02-14 21:28:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3493 [2022-02-14 21:28:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3500 [2022-02-14 21:28:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-14 21:28:00,567 INFO L134 CoverageAnalysis]: Checked inductivity of 812640 backedges. 92455 proven. 4959 refuted. 0 times theorem prover too weak. 715226 trivial. 0 not checked. [2022-02-14 21:28:00,568 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-14 21:28:00,568 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175784984] [2022-02-14 21:28:00,568 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175784984] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-14 21:28:00,568 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793851089] [2022-02-14 21:28:00,568 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-14 21:28:00,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-14 21:28:00,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-14 21:28:00,570 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-14 21:28:00,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process