/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-b030c9e [2022-03-20 04:16:04,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 04:16:04,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 04:16:04,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-20 04:16:04,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 04:16:04,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 04:16:04,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 04:16:04,119 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-03-20 04:16:04,127 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 04:16:04,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 04:16:04,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 04:16:04,129 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 04:16:04,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 04:16:04,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 04:16:04,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 04:16:04,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 04:16:04,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 04:16:04,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 04:16:04,131 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 04:16:04,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 04:16:04,131 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 04:16:04,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 04:16:04,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 04:16:04,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 04:16:04,132 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-20 04:16:04,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 04:16:04,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 04:16:04,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 04:16:04,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 04:16:04,133 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 04:16:04,134 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 04:16:04,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 04:16:04,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 04:16:04,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 04:16:04,313 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 04:16:04,313 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 04:16:04,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested3-1.c [2022-03-20 04:16:04,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a01dec2d/33f50ed0947d4f15a7fb097348887254/FLAG4456a0406 [2022-03-20 04:16:04,707 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 04:16:04,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-1.c [2022-03-20 04:16:04,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a01dec2d/33f50ed0947d4f15a7fb097348887254/FLAG4456a0406 [2022-03-20 04:16:04,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a01dec2d/33f50ed0947d4f15a7fb097348887254 [2022-03-20 04:16:04,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 04:16:04,722 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 04:16:04,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 04:16:04,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 04:16:04,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 04:16:04,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 04:16:04" (1/1) ... [2022-03-20 04:16:04,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7672cff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:16:04, skipping insertion in model container [2022-03-20 04:16:04,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 04:16:04" (1/1) ... [2022-03-20 04:16:04,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 04:16:04,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 04:16:04,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-1.c[321,334] [2022-03-20 04:16:04,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 04:16:04,904 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 04:16:04,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-1.c[321,334] [2022-03-20 04:16:04,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 04:16:04,922 INFO L208 MainTranslator]: Completed translation [2022-03-20 04:16:04,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:16:04 WrapperNode [2022-03-20 04:16:04,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 04:16:04,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 04:16:04,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 04:16:04,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 04:16:04,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:16:04" (1/1) ... [2022-03-20 04:16:04,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:16:04" (1/1) ... [2022-03-20 04:16:04,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:16:04" (1/1) ... [2022-03-20 04:16:04,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:16:04" (1/1) ... [2022-03-20 04:16:04,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:16:04" (1/1) ... [2022-03-20 04:16:04,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:16:04" (1/1) ... [2022-03-20 04:16:04,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:16:04" (1/1) ... [2022-03-20 04:16:04,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 04:16:04,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 04:16:04,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 04:16:04,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 04:16:04,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:16:04" (1/1) ... [2022-03-20 04:16:04,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 04:16:04,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 04:16:04,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-20 04:16:04,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-20 04:16:05,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 04:16:05,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 04:16:05,008 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 04:16:05,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-20 04:16:05,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 04:16:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 04:16:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 04:16:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 04:16:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 04:16:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-20 04:16:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 04:16:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 04:16:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 04:16:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 04:16:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 04:16:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 04:16:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 04:16:05,054 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 04:16:05,055 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 04:16:05,144 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 04:16:05,148 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 04:16:05,148 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-20 04:16:05,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 04:16:05 BoogieIcfgContainer [2022-03-20 04:16:05,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 04:16:05,150 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 04:16:05,150 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 04:16:05,151 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 04:16:05,153 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 04:16:05" (1/1) ... [2022-03-20 04:16:05,155 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-03-20 04:16:05,313 INFO L89 elerationTransformer]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-03-20 04:16:05,313 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] [2022-03-20 04:16:05,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 04:16:05 BasicIcfg [2022-03-20 04:16:05,317 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-20 04:16:05,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 04:16:05,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 04:16:05,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 04:16:05,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 04:16:04" (1/4) ... [2022-03-20 04:16:05,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0b4e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 04:16:05, skipping insertion in model container [2022-03-20 04:16:05,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:16:04" (2/4) ... [2022-03-20 04:16:05,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0b4e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 04:16:05, skipping insertion in model container [2022-03-20 04:16:05,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 04:16:05" (3/4) ... [2022-03-20 04:16:05,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0b4e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 04:16:05, skipping insertion in model container [2022-03-20 04:16:05,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 04:16:05" (4/4) ... [2022-03-20 04:16:05,322 INFO L111 eAbstractionObserver]: Analyzing ICFG nested3-1.cJordan [2022-03-20 04:16:05,326 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-03-20 04:16:05,326 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 04:16:05,362 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 04:16:05,367 INFO L340 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 [2022-03-20 04:16:05,367 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 04:16:05,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-03-20 04:16:05,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-20 04:16:05,380 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 04:16:05,380 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 04:16:05,380 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 04:16:05,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 04:16:05,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1301415802, now seen corresponding path program 1 times [2022-03-20 04:16:05,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 04:16:05,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933919168] [2022-03-20 04:16:05,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 04:16:05,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 04:16:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:05,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 04:16:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:05,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 04:16:05,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 04:16:05,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933919168] [2022-03-20 04:16:05,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933919168] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 04:16:05,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 04:16:05,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-20 04:16:05,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640164040] [2022-03-20 04:16:05,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 04:16:05,479 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-20 04:16:05,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 04:16:05,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-20 04:16:05,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-20 04:16:05,499 INFO L87 Difference]: Start difference. First operand has 25 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 04:16:05,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 04:16:05,525 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-03-20 04:16:05,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-20 04:16:05,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-03-20 04:16:05,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 04:16:05,531 INFO L225 Difference]: With dead ends: 25 [2022-03-20 04:16:05,531 INFO L226 Difference]: Without dead ends: 20 [2022-03-20 04:16:05,532 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-20 04:16:05,534 INFO L913 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 [2022-03-20 04:16:05,535 INFO L914 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] [2022-03-20 04:16:05,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-03-20 04:16:05,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-03-20 04:16:05,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 04:16:05,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2022-03-20 04:16:05,562 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 11 [2022-03-20 04:16:05,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 04:16:05,563 INFO L478 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-03-20 04:16:05,563 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 04:16:05,563 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-03-20 04:16:05,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-20 04:16:05,564 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 04:16:05,564 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 04:16:05,564 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 04:16:05,564 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 04:16:05,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 04:16:05,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1302339323, now seen corresponding path program 1 times [2022-03-20 04:16:05,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 04:16:05,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095300330] [2022-03-20 04:16:05,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 04:16:05,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 04:16:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:05,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 04:16:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:05,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 04:16:05,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 04:16:05,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095300330] [2022-03-20 04:16:05,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095300330] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 04:16:05,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 04:16:05,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 04:16:05,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474452679] [2022-03-20 04:16:05,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 04:16:05,627 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 04:16:05,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 04:16:05,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 04:16:05,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 04:16:05,631 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 04:16:05,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 04:16:05,690 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2022-03-20 04:16:05,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 04:16:05,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-03-20 04:16:05,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 04:16:05,691 INFO L225 Difference]: With dead ends: 27 [2022-03-20 04:16:05,691 INFO L226 Difference]: Without dead ends: 27 [2022-03-20 04:16:05,694 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 04:16:05,696 INFO L913 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 [2022-03-20 04:16:05,696 INFO L914 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] [2022-03-20 04:16:05,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-03-20 04:16:05,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2022-03-20 04:16:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 04:16:05,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2022-03-20 04:16:05,704 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 11 [2022-03-20 04:16:05,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 04:16:05,704 INFO L478 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-03-20 04:16:05,704 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 04:16:05,704 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-03-20 04:16:05,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-20 04:16:05,705 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 04:16:05,705 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 04:16:05,705 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 04:16:05,705 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 04:16:05,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 04:16:05,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1748313539, now seen corresponding path program 1 times [2022-03-20 04:16:05,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 04:16:05,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859485349] [2022-03-20 04:16:05,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 04:16:05,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 04:16:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:05,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 04:16:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:05,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 04:16:05,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 04:16:05,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859485349] [2022-03-20 04:16:05,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859485349] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 04:16:05,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 04:16:05,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 04:16:05,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13135632] [2022-03-20 04:16:05,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 04:16:05,792 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 04:16:05,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 04:16:05,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 04:16:05,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 04:16:05,793 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 04:16:05,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 04:16:05,864 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2022-03-20 04:16:05,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 04:16:05,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-03-20 04:16:05,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 04:16:05,866 INFO L225 Difference]: With dead ends: 25 [2022-03-20 04:16:05,866 INFO L226 Difference]: Without dead ends: 25 [2022-03-20 04:16:05,869 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 04:16:05,870 INFO L913 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, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 04:16:05,871 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 27 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 04:16:05,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-03-20 04:16:05,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2022-03-20 04:16:05,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 04:16:05,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-03-20 04:16:05,874 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 12 [2022-03-20 04:16:05,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 04:16:05,874 INFO L478 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-03-20 04:16:05,874 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 04:16:05,874 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-03-20 04:16:05,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-20 04:16:05,874 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 04:16:05,875 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 04:16:05,875 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 04:16:05,875 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 04:16:05,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 04:16:05,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1606116621, now seen corresponding path program 1 times [2022-03-20 04:16:05,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 04:16:05,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886797589] [2022-03-20 04:16:05,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 04:16:05,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 04:16:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:05,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 04:16:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:05,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 04:16:05,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 04:16:05,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886797589] [2022-03-20 04:16:05,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886797589] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 04:16:05,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 04:16:05,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 04:16:05,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853075763] [2022-03-20 04:16:05,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 04:16:05,970 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 04:16:05,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 04:16:05,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 04:16:05,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 04:16:05,970 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 04:16:06,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 04:16:06,015 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2022-03-20 04:16:06,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 04:16:06,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-03-20 04:16:06,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 04:16:06,017 INFO L225 Difference]: With dead ends: 24 [2022-03-20 04:16:06,017 INFO L226 Difference]: Without dead ends: 24 [2022-03-20 04:16:06,018 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 04:16:06,021 INFO L913 BasicCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-20 04:16:06,021 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 28 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-20 04:16:06,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-03-20 04:16:06,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-03-20 04:16:06,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 04:16:06,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-03-20 04:16:06,025 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 13 [2022-03-20 04:16:06,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 04:16:06,025 INFO L478 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-03-20 04:16:06,025 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 04:16:06,025 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-03-20 04:16:06,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-20 04:16:06,026 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 04:16:06,026 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 04:16:06,026 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 04:16:06,026 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 04:16:06,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 04:16:06,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1773342651, now seen corresponding path program 1 times [2022-03-20 04:16:06,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 04:16:06,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363759427] [2022-03-20 04:16:06,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 04:16:06,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 04:16:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:06,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 04:16:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:06,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 04:16:06,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 04:16:06,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363759427] [2022-03-20 04:16:06,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363759427] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 04:16:06,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376445398] [2022-03-20 04:16:06,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 04:16:06,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 04:16:06,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 04:16:06,245 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 04:16:06,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-20 04:16:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:06,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-20 04:16:06,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 04:16:06,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 04:16:06,499 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 04:16:06,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-20 04:16:06,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376445398] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-20 04:16:06,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-20 04:16:06,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8] total 16 [2022-03-20 04:16:06,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626415151] [2022-03-20 04:16:06,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 04:16:06,650 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 04:16:06,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 04:16:06,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 04:16:06,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-03-20 04:16:06,659 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) [2022-03-20 04:16:06,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 04:16:06,694 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2022-03-20 04:16:06,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-20 04:16:06,695 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 [2022-03-20 04:16:06,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 04:16:06,696 INFO L225 Difference]: With dead ends: 28 [2022-03-20 04:16:06,696 INFO L226 Difference]: Without dead ends: 28 [2022-03-20 04:16:06,697 INFO L912 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 [2022-03-20 04:16:06,697 INFO L913 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 [2022-03-20 04:16:06,697 INFO L914 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] [2022-03-20 04:16:06,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-03-20 04:16:06,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-03-20 04:16:06,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 04:16:06,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-03-20 04:16:06,712 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 14 [2022-03-20 04:16:06,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 04:16:06,712 INFO L478 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-03-20 04:16:06,712 INFO L479 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) [2022-03-20 04:16:06,712 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-03-20 04:16:06,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-03-20 04:16:06,712 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 04:16:06,712 INFO L499 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 04:16:06,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-20 04:16:06,913 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 04:16:06,913 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 04:16:06,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 04:16:06,914 INFO L85 PathProgramCache]: Analyzing trace with hash 259423101, now seen corresponding path program 1 times [2022-03-20 04:16:06,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 04:16:06,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627976559] [2022-03-20 04:16:06,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 04:16:06,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 04:16:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:06,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 04:16:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:06,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 04:16:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:06,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-20 04:16:06,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 04:16:06,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627976559] [2022-03-20 04:16:06,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627976559] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 04:16:06,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62560394] [2022-03-20 04:16:06,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 04:16:06,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 04:16:06,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 04:16:06,968 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 04:16:06,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-20 04:16:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:06,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-20 04:16:06,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 04:16:07,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-20 04:16:07,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 04:16:07,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-20 04:16:07,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62560394] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 04:16:07,099 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 04:16:07,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 12 [2022-03-20 04:16:07,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854785667] [2022-03-20 04:16:07,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 04:16:07,100 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-20 04:16:07,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 04:16:07,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-20 04:16:07,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-03-20 04:16:07,100 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) [2022-03-20 04:16:07,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 04:16:07,295 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2022-03-20 04:16:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-20 04:16:07,295 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 [2022-03-20 04:16:07,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 04:16:07,296 INFO L225 Difference]: With dead ends: 49 [2022-03-20 04:16:07,296 INFO L226 Difference]: Without dead ends: 49 [2022-03-20 04:16:07,296 INFO L912 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 [2022-03-20 04:16:07,297 INFO L913 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 [2022-03-20 04:16:07,297 INFO L914 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] [2022-03-20 04:16:07,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-03-20 04:16:07,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 42. [2022-03-20 04:16:07,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 31 states have internal predecessors, (36), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-03-20 04:16:07,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2022-03-20 04:16:07,300 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 21 [2022-03-20 04:16:07,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 04:16:07,300 INFO L478 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2022-03-20 04:16:07,301 INFO L479 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) [2022-03-20 04:16:07,301 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-03-20 04:16:07,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-20 04:16:07,301 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 04:16:07,301 INFO L499 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 04:16:07,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-20 04:16:07,515 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-03-20 04:16:07,516 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 04:16:07,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 04:16:07,516 INFO L85 PathProgramCache]: Analyzing trace with hash -515836157, now seen corresponding path program 2 times [2022-03-20 04:16:07,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 04:16:07,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716207376] [2022-03-20 04:16:07,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 04:16:07,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 04:16:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:07,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 04:16:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:07,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 04:16:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:07,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-03-20 04:16:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:07,598 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-20 04:16:07,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 04:16:07,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716207376] [2022-03-20 04:16:07,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716207376] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 04:16:07,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130521071] [2022-03-20 04:16:07,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-20 04:16:07,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 04:16:07,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 04:16:07,611 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 04:16:07,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-20 04:16:07,650 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-20 04:16:07,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-20 04:16:07,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-20 04:16:07,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 04:16:07,728 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-20 04:16:07,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 04:16:07,816 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-20 04:16:07,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130521071] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 04:16:07,817 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 04:16:07,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2022-03-20 04:16:07,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890749469] [2022-03-20 04:16:07,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 04:16:07,817 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-20 04:16:07,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 04:16:07,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-20 04:16:07,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-03-20 04:16:07,820 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-03-20 04:16:07,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 04:16:07,996 INFO L93 Difference]: Finished difference Result 62 states and 78 transitions. [2022-03-20 04:16:07,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-20 04:16:07,997 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 30 [2022-03-20 04:16:07,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 04:16:07,999 INFO L225 Difference]: With dead ends: 62 [2022-03-20 04:16:07,999 INFO L226 Difference]: Without dead ends: 62 [2022-03-20 04:16:07,999 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-03-20 04:16:08,000 INFO L913 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 [2022-03-20 04:16:08,000 INFO L914 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] [2022-03-20 04:16:08,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-03-20 04:16:08,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-03-20 04:16:08,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 47 states have internal predecessors, (56), 12 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-03-20 04:16:08,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2022-03-20 04:16:08,004 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 30 [2022-03-20 04:16:08,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 04:16:08,004 INFO L478 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-03-20 04:16:08,004 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-03-20 04:16:08,004 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2022-03-20 04:16:08,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-20 04:16:08,005 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 04:16:08,005 INFO L499 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 04:16:08,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-20 04:16:08,219 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 04:16:08,219 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 04:16:08,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 04:16:08,220 INFO L85 PathProgramCache]: Analyzing trace with hash -820041341, now seen corresponding path program 3 times [2022-03-20 04:16:08,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 04:16:08,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671486856] [2022-03-20 04:16:08,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 04:16:08,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 04:16:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:08,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 04:16:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:08,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 04:16:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:08,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-03-20 04:16:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:08,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-03-20 04:16:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:08,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-03-20 04:16:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:08,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-03-20 04:16:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:08,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-03-20 04:16:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 12 proven. 111 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-03-20 04:16:08,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 04:16:08,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671486856] [2022-03-20 04:16:08,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671486856] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 04:16:08,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492728597] [2022-03-20 04:16:08,356 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-20 04:16:08,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 04:16:08,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 04:16:08,357 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 04:16:08,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-20 04:16:08,434 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-03-20 04:16:08,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-20 04:16:08,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-20 04:16:08,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 04:16:08,636 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-03-20 04:16:08,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 04:16:08,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492728597] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 04:16:08,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-20 04:16:08,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2022-03-20 04:16:08,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064645115] [2022-03-20 04:16:08,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 04:16:08,637 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 04:16:08,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 04:16:08,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 04:16:08,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2022-03-20 04:16:08,638 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-03-20 04:16:08,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 04:16:08,741 INFO L93 Difference]: Finished difference Result 66 states and 81 transitions. [2022-03-20 04:16:08,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-20 04:16:08,742 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 66 [2022-03-20 04:16:08,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 04:16:08,742 INFO L225 Difference]: With dead ends: 66 [2022-03-20 04:16:08,742 INFO L226 Difference]: Without dead ends: 64 [2022-03-20 04:16:08,743 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2022-03-20 04:16:08,743 INFO L913 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 [2022-03-20 04:16:08,743 INFO L914 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] [2022-03-20 04:16:08,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-03-20 04:16:08,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 54. [2022-03-20 04:16:08,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 10 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-03-20 04:16:08,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2022-03-20 04:16:08,747 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 66 [2022-03-20 04:16:08,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 04:16:08,747 INFO L478 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2022-03-20 04:16:08,747 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-03-20 04:16:08,747 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-03-20 04:16:08,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-03-20 04:16:08,748 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 04:16:08,748 INFO L499 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 04:16:08,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-20 04:16:08,952 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 04:16:08,952 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 04:16:08,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 04:16:08,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1241135261, now seen corresponding path program 1 times [2022-03-20 04:16:08,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 04:16:08,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437034668] [2022-03-20 04:16:08,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 04:16:08,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 04:16:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:09,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 04:16:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:09,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 04:16:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:09,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-03-20 04:16:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:09,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-03-20 04:16:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:09,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-03-20 04:16:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:09,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-03-20 04:16:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:09,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-03-20 04:16:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:09,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-03-20 04:16:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:09,082 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 15 proven. 111 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-03-20 04:16:09,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 04:16:09,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437034668] [2022-03-20 04:16:09,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437034668] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 04:16:09,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020558069] [2022-03-20 04:16:09,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 04:16:09,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 04:16:09,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 04:16:09,083 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 04:16:09,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-20 04:16:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:09,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-20 04:16:09,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 04:16:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 14 proven. 42 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-03-20 04:16:09,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 04:16:09,467 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-03-20 04:16:09,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020558069] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 04:16:09,467 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 04:16:09,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 18 [2022-03-20 04:16:09,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169242642] [2022-03-20 04:16:09,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 04:16:09,468 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-20 04:16:09,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 04:16:09,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-20 04:16:09,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-03-20 04:16:09,469 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand has 18 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 12 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-03-20 04:16:10,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 04:16:10,486 INFO L93 Difference]: Finished difference Result 192 states and 262 transitions. [2022-03-20 04:16:10,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-20 04:16:10,487 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 12 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) Word has length 73 [2022-03-20 04:16:10,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 04:16:10,488 INFO L225 Difference]: With dead ends: 192 [2022-03-20 04:16:10,488 INFO L226 Difference]: Without dead ends: 192 [2022-03-20 04:16:10,489 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=520, Invalid=2030, Unknown=0, NotChecked=0, Total=2550 [2022-03-20 04:16:10,489 INFO L913 BasicCegarLoop]: 53 mSDtfsCounter, 411 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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 [2022-03-20 04:16:10,490 INFO L914 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] [2022-03-20 04:16:10,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-03-20 04:16:10,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 176. [2022-03-20 04:16:10,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 137 states have (on average 1.2408759124087592) internal successors, (170), 137 states have internal predecessors, (170), 35 states have call successors, (35), 5 states have call predecessors, (35), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-03-20 04:16:10,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 238 transitions. [2022-03-20 04:16:10,498 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 238 transitions. Word has length 73 [2022-03-20 04:16:10,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 04:16:10,498 INFO L478 AbstractCegarLoop]: Abstraction has 176 states and 238 transitions. [2022-03-20 04:16:10,498 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 12 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-03-20 04:16:10,498 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 238 transitions. [2022-03-20 04:16:10,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-03-20 04:16:10,500 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 04:16:10,501 INFO L499 BasicCegarLoop]: trace histogram [33, 32, 32, 28, 28, 28, 28, 28, 28, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 04:16:10,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-20 04:16:10,719 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 04:16:10,720 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 04:16:10,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 04:16:10,720 INFO L85 PathProgramCache]: Analyzing trace with hash 827581691, now seen corresponding path program 2 times [2022-03-20 04:16:10,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 04:16:10,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035166748] [2022-03-20 04:16:10,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 04:16:10,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 04:16:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 04:16:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 04:16:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-03-20 04:16:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-03-20 04:16:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-03-20 04:16:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-03-20 04:16:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-03-20 04:16:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-03-20 04:16:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-03-20 04:16:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-03-20 04:16:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-03-20 04:16:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-03-20 04:16:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-03-20 04:16:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-03-20 04:16:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-03-20 04:16:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-03-20 04:16:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-03-20 04:16:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-03-20 04:16:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-03-20 04:16:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-03-20 04:16:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-03-20 04:16:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-03-20 04:16:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-03-20 04:16:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-03-20 04:16:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-03-20 04:16:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-03-20 04:16:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-03-20 04:16:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-03-20 04:16:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-03-20 04:16:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-03-20 04:16:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-03-20 04:16:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-03-20 04:16:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-03-20 04:16:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:10,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 1142 proven. 154 refuted. 0 times theorem prover too weak. 3566 trivial. 0 not checked. [2022-03-20 04:16:10,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 04:16:10,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035166748] [2022-03-20 04:16:10,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035166748] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 04:16:10,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624819861] [2022-03-20 04:16:10,987 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-20 04:16:10,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 04:16:10,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 04:16:10,992 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 04:16:10,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-20 04:16:11,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-20 04:16:11,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-20 04:16:11,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-20 04:16:11,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 04:16:11,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 64 proven. 2303 refuted. 0 times theorem prover too weak. 2495 trivial. 0 not checked. [2022-03-20 04:16:11,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 04:16:12,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 151 proven. 2216 refuted. 0 times theorem prover too weak. 2495 trivial. 0 not checked. [2022-03-20 04:16:12,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624819861] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 04:16:12,447 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 04:16:12,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 31 [2022-03-20 04:16:12,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929692282] [2022-03-20 04:16:12,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 04:16:12,448 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-20 04:16:12,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 04:16:12,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-20 04:16:12,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=744, Unknown=0, NotChecked=0, Total=930 [2022-03-20 04:16:12,449 INFO L87 Difference]: Start difference. First operand 176 states and 238 transitions. Second operand has 31 states, 31 states have (on average 4.580645161290323) internal successors, (142), 30 states have internal predecessors, (142), 25 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 25 states have call predecessors, (34), 25 states have call successors, (34) [2022-03-20 04:16:18,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 04:16:18,496 INFO L93 Difference]: Finished difference Result 500 states and 698 transitions. [2022-03-20 04:16:18,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-20 04:16:18,496 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 4.580645161290323) internal successors, (142), 30 states have internal predecessors, (142), 25 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 25 states have call predecessors, (34), 25 states have call successors, (34) Word has length 295 [2022-03-20 04:16:18,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 04:16:18,498 INFO L225 Difference]: With dead ends: 500 [2022-03-20 04:16:18,499 INFO L226 Difference]: Without dead ends: 500 [2022-03-20 04:16:18,502 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 638 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5322 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=2534, Invalid=12966, Unknown=0, NotChecked=0, Total=15500 [2022-03-20 04:16:18,503 INFO L913 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 [2022-03-20 04:16:18,503 INFO L914 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] [2022-03-20 04:16:18,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2022-03-20 04:16:18,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 460. [2022-03-20 04:16:18,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 363 states have (on average 1.2506887052341598) internal successors, (454), 363 states have internal predecessors, (454), 93 states have call successors, (93), 5 states have call predecessors, (93), 3 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2022-03-20 04:16:18,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 638 transitions. [2022-03-20 04:16:18,519 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 638 transitions. Word has length 295 [2022-03-20 04:16:18,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 04:16:18,519 INFO L478 AbstractCegarLoop]: Abstraction has 460 states and 638 transitions. [2022-03-20 04:16:18,520 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.580645161290323) internal successors, (142), 30 states have internal predecessors, (142), 25 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 25 states have call predecessors, (34), 25 states have call successors, (34) [2022-03-20 04:16:18,520 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 638 transitions. [2022-03-20 04:16:18,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2022-03-20 04:16:18,531 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 04:16:18,531 INFO L499 BasicCegarLoop]: trace histogram [91, 90, 90, 80, 80, 80, 80, 80, 80, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 04:16:18,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-20 04:16:18,737 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 04:16:18,738 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 04:16:18,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 04:16:18,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1825980721, now seen corresponding path program 3 times [2022-03-20 04:16:18,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 04:16:18,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738469541] [2022-03-20 04:16:18,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 04:16:18,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 04:16:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 04:16:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 04:16:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-03-20 04:16:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-03-20 04:16:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-03-20 04:16:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-03-20 04:16:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-03-20 04:16:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-03-20 04:16:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-03-20 04:16:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-03-20 04:16:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-03-20 04:16:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-03-20 04:16:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-03-20 04:16:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-03-20 04:16:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-03-20 04:16:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-03-20 04:16:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-03-20 04:16:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-03-20 04:16:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-03-20 04:16:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-03-20 04:16:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-03-20 04:16:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-03-20 04:16:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-03-20 04:16:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-03-20 04:16:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-03-20 04:16:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-03-20 04:16:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-03-20 04:16:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-03-20 04:16:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-03-20 04:16:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-03-20 04:16:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-03-20 04:16:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-03-20 04:16:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-03-20 04:16:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-03-20 04:16:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-03-20 04:16:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-03-20 04:16:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-03-20 04:16:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-03-20 04:16:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-03-20 04:16:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-03-20 04:16:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-03-20 04:16:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-03-20 04:16:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-03-20 04:16:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-03-20 04:16:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-03-20 04:16:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-03-20 04:16:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-03-20 04:16:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-03-20 04:16:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-03-20 04:16:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-03-20 04:16:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-03-20 04:16:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-03-20 04:16:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-03-20 04:16:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-03-20 04:16:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-03-20 04:16:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-03-20 04:16:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-03-20 04:16:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-03-20 04:16:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-03-20 04:16:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-03-20 04:16:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-03-20 04:16:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-03-20 04:16:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-03-20 04:16:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-03-20 04:16:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-03-20 04:16:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-03-20 04:16:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2022-03-20 04:16:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-03-20 04:16:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-03-20 04:16:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2022-03-20 04:16:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2022-03-20 04:16:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2022-03-20 04:16:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2022-03-20 04:16:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2022-03-20 04:16:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-03-20 04:16:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-03-20 04:16:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2022-03-20 04:16:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-03-20 04:16:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2022-03-20 04:16:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2022-03-20 04:16:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2022-03-20 04:16:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2022-03-20 04:16:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 730 [2022-03-20 04:16:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 739 [2022-03-20 04:16:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 748 [2022-03-20 04:16:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 757 [2022-03-20 04:16:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 766 [2022-03-20 04:16:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 775 [2022-03-20 04:16:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 784 [2022-03-20 04:16:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 793 [2022-03-20 04:16:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-03-20 04:16:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4375 proven. 204 refuted. 0 times theorem prover too weak. 34811 trivial. 0 not checked. [2022-03-20 04:16:19,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 04:16:19,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738469541] [2022-03-20 04:16:19,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738469541] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 04:16:19,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475958063] [2022-03-20 04:16:19,419 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-20 04:16:19,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 04:16:19,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 04:16:19,420 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 04:16:19,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-20 04:16:20,063 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2022-03-20 04:16:20,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-20 04:16:20,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 19 conjunts are in the unsatisfiable core [2022-03-20 04:16:20,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 04:16:21,162 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4747 proven. 204 refuted. 0 times theorem prover too weak. 34439 trivial. 0 not checked. [2022-03-20 04:16:21,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 04:16:22,232 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4393 proven. 204 refuted. 0 times theorem prover too weak. 34793 trivial. 0 not checked. [2022-03-20 04:16:22,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475958063] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 04:16:22,233 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 04:16:22,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 22 [2022-03-20 04:16:22,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353347240] [2022-03-20 04:16:22,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 04:16:22,234 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-20 04:16:22,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 04:16:22,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-20 04:16:22,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2022-03-20 04:16:22,235 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) [2022-03-20 04:16:24,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 04:16:24,498 INFO L93 Difference]: Finished difference Result 960 states and 1338 transitions. [2022-03-20 04:16:24,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-20 04:16:24,499 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 [2022-03-20 04:16:24,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 04:16:24,508 INFO L225 Difference]: With dead ends: 960 [2022-03-20 04:16:24,508 INFO L226 Difference]: Without dead ends: 960 [2022-03-20 04:16:24,508 INFO L912 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 [2022-03-20 04:16:24,509 INFO L913 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 [2022-03-20 04:16:24,509 INFO L914 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] [2022-03-20 04:16:24,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2022-03-20 04:16:24,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 960. [2022-03-20 04:16:24,534 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) [2022-03-20 04:16:24,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1338 transitions. [2022-03-20 04:16:24,542 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1338 transitions. Word has length 811 [2022-03-20 04:16:24,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 04:16:24,542 INFO L478 AbstractCegarLoop]: Abstraction has 960 states and 1338 transitions. [2022-03-20 04:16:24,543 INFO L479 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) [2022-03-20 04:16:24,543 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1338 transitions. [2022-03-20 04:16:24,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1712 [2022-03-20 04:16:24,590 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 04:16:24,591 INFO L499 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] [2022-03-20 04:16:24,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-20 04:16:24,799 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 04:16:24,799 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 04:16:24,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 04:16:24,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1014981681, now seen corresponding path program 4 times [2022-03-20 04:16:24,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 04:16:24,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265216894] [2022-03-20 04:16:24,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 04:16:24,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 04:16:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 04:16:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 04:16:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-03-20 04:16:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-03-20 04:16:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-03-20 04:16:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-03-20 04:16:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-03-20 04:16:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-03-20 04:16:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-03-20 04:16:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-03-20 04:16:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-03-20 04:16:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-03-20 04:16:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-03-20 04:16:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-03-20 04:16:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-03-20 04:16:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-03-20 04:16:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-03-20 04:16:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-03-20 04:16:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-03-20 04:16:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-03-20 04:16:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-03-20 04:16:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-03-20 04:16:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-03-20 04:16:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-03-20 04:16:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-03-20 04:16:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-03-20 04:16:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-03-20 04:16:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-03-20 04:16:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-03-20 04:16:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-03-20 04:16:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-03-20 04:16:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-03-20 04:16:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-03-20 04:16:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-03-20 04:16:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-03-20 04:16:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-03-20 04:16:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-03-20 04:16:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-03-20 04:16:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-03-20 04:16:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-03-20 04:16:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-03-20 04:16:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-03-20 04:16:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-03-20 04:16:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-03-20 04:16:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-03-20 04:16:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-03-20 04:16:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-03-20 04:16:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-03-20 04:16:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-03-20 04:16:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-03-20 04:16:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-03-20 04:16:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-03-20 04:16:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-03-20 04:16:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-03-20 04:16:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-03-20 04:16:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-03-20 04:16:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-03-20 04:16:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-03-20 04:16:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-03-20 04:16:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-03-20 04:16:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-03-20 04:16:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-03-20 04:16:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-03-20 04:16:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-03-20 04:16:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-03-20 04:16:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-03-20 04:16:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-03-20 04:16:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-03-20 04:16:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-03-20 04:16:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-03-20 04:16:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-03-20 04:16:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-03-20 04:16:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-03-20 04:16:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-03-20 04:16:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-03-20 04:16:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-03-20 04:16:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2022-03-20 04:16:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 690 [2022-03-20 04:16:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2022-03-20 04:16:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2022-03-20 04:16:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 717 [2022-03-20 04:16:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 726 [2022-03-20 04:16:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 735 [2022-03-20 04:16:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2022-03-20 04:16:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 753 [2022-03-20 04:16:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 762 [2022-03-20 04:16:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 771 [2022-03-20 04:16:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 780 [2022-03-20 04:16:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 789 [2022-03-20 04:16:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 798 [2022-03-20 04:16:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 807 [2022-03-20 04:16:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 816 [2022-03-20 04:16:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 825 [2022-03-20 04:16:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 834 [2022-03-20 04:16:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2022-03-20 04:16:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 850 [2022-03-20 04:16:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2022-03-20 04:16:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2022-03-20 04:16:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 878 [2022-03-20 04:16:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2022-03-20 04:16:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 896 [2022-03-20 04:16:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2022-03-20 04:16:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2022-03-20 04:16:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2022-03-20 04:16:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2022-03-20 04:16:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2022-03-20 04:16:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2022-03-20 04:16:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2022-03-20 04:16:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2022-03-20 04:16:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 977 [2022-03-20 04:16:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 986 [2022-03-20 04:16:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 995 [2022-03-20 04:16:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2022-03-20 04:16:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1013 [2022-03-20 04:16:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1020 [2022-03-20 04:16:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1030 [2022-03-20 04:16:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1039 [2022-03-20 04:16:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1048 [2022-03-20 04:16:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1057 [2022-03-20 04:16:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1066 [2022-03-20 04:16:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1075 [2022-03-20 04:16:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1084 [2022-03-20 04:16:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1093 [2022-03-20 04:16:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1102 [2022-03-20 04:16:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1111 [2022-03-20 04:16:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1120 [2022-03-20 04:16:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1129 [2022-03-20 04:16:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1138 [2022-03-20 04:16:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1147 [2022-03-20 04:16:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1156 [2022-03-20 04:16:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1165 [2022-03-20 04:16:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1174 [2022-03-20 04:16:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1183 [2022-03-20 04:16:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1190 [2022-03-20 04:16:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2022-03-20 04:16:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2022-03-20 04:16:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1218 [2022-03-20 04:16:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1227 [2022-03-20 04:16:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1236 [2022-03-20 04:16:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2022-03-20 04:16:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1254 [2022-03-20 04:16:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1263 [2022-03-20 04:16:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1272 [2022-03-20 04:16:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1281 [2022-03-20 04:16:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2022-03-20 04:16:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1299 [2022-03-20 04:16:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1308 [2022-03-20 04:16:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1317 [2022-03-20 04:16:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1326 [2022-03-20 04:16:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2022-03-20 04:16:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1344 [2022-03-20 04:16:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1353 [2022-03-20 04:16:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1360 [2022-03-20 04:16:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1370 [2022-03-20 04:16:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1379 [2022-03-20 04:16:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1388 [2022-03-20 04:16:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1397 [2022-03-20 04:16:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1406 [2022-03-20 04:16:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1415 [2022-03-20 04:16:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1424 [2022-03-20 04:16:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1433 [2022-03-20 04:16:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1442 [2022-03-20 04:16:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1451 [2022-03-20 04:16:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1460 [2022-03-20 04:16:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1469 [2022-03-20 04:16:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1478 [2022-03-20 04:16:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1487 [2022-03-20 04:16:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1496 [2022-03-20 04:16:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1505 [2022-03-20 04:16:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1514 [2022-03-20 04:16:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1523 [2022-03-20 04:16:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2022-03-20 04:16:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1540 [2022-03-20 04:16:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1549 [2022-03-20 04:16:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1558 [2022-03-20 04:16:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1567 [2022-03-20 04:16:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1576 [2022-03-20 04:16:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1585 [2022-03-20 04:16:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1594 [2022-03-20 04:16:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1603 [2022-03-20 04:16:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1612 [2022-03-20 04:16:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1621 [2022-03-20 04:16:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1630 [2022-03-20 04:16:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1639 [2022-03-20 04:16:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1648 [2022-03-20 04:16:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1657 [2022-03-20 04:16:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1666 [2022-03-20 04:16:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1675 [2022-03-20 04:16:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1684 [2022-03-20 04:16:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1693 [2022-03-20 04:16:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1700 [2022-03-20 04:16:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:16:26,480 INFO L134 CoverageAnalysis]: Checked inductivity of 187140 backedges. 21135 proven. 1089 refuted. 0 times theorem prover too weak. 164916 trivial. 0 not checked. [2022-03-20 04:16:26,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 04:16:26,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265216894] [2022-03-20 04:16:26,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265216894] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 04:16:26,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620065125] [2022-03-20 04:16:26,480 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-20 04:16:26,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 04:16:26,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 04:16:26,481 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 04:16:26,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-20 04:16:29,072 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-20 04:16:29,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-20 04:16:29,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 3087 conjuncts, 39 conjunts are in the unsatisfiable core [2022-03-20 04:16:29,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 04:16:31,115 INFO L134 CoverageAnalysis]: Checked inductivity of 187140 backedges. 101955 proven. 1089 refuted. 0 times theorem prover too weak. 84096 trivial. 0 not checked. [2022-03-20 04:16:31,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 04:16:33,572 INFO L134 CoverageAnalysis]: Checked inductivity of 187140 backedges. 67305 proven. 1089 refuted. 0 times theorem prover too weak. 118746 trivial. 0 not checked. [2022-03-20 04:16:33,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620065125] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 04:16:33,573 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 04:16:33,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 42 [2022-03-20 04:16:33,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396114794] [2022-03-20 04:16:33,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 04:16:33,575 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-03-20 04:16:33,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 04:16:33,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-03-20 04:16:33,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=1242, Unknown=0, NotChecked=0, Total=1722 [2022-03-20 04:16:33,576 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) [2022-03-20 04:17:20,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 04:17:20,308 INFO L93 Difference]: Finished difference Result 1960 states and 2738 transitions. [2022-03-20 04:17:20,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-20 04:17:20,309 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 [2022-03-20 04:17:20,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 04:17:20,316 INFO L225 Difference]: With dead ends: 1960 [2022-03-20 04:17:20,316 INFO L226 Difference]: Without dead ends: 1960 [2022-03-20 04:17:20,317 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 3863 GetRequests, 3784 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 765 ImplicationChecksByTransitivity, 46.1s TimeCoverageRelationStatistics Valid=1714, Invalid=4605, Unknown=1, NotChecked=0, Total=6320 [2022-03-20 04:17:20,318 INFO L913 BasicCegarLoop]: 74 mSDtfsCounter, 300 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 2724 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-03-20 04:17:20,318 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [301 Valid, 171 Invalid, 2968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 2724 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-20 04:17:20,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1960 states. [2022-03-20 04:17:20,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1960 to 1960. [2022-03-20 04:17:20,346 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) [2022-03-20 04:17:20,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1960 states and 2738 transitions. [2022-03-20 04:17:20,352 INFO L78 Accepts]: Start accepts. Automaton has 1960 states and 2738 transitions. Word has length 1711 [2022-03-20 04:17:20,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 04:17:20,353 INFO L478 AbstractCegarLoop]: Abstraction has 1960 states and 2738 transitions. [2022-03-20 04:17:20,354 INFO L479 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) [2022-03-20 04:17:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2738 transitions. [2022-03-20 04:17:20,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3512 [2022-03-20 04:17:20,417 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 04:17:20,418 INFO L499 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] [2022-03-20 04:17:20,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-20 04:17:20,618 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-03-20 04:17:20,619 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 04:17:20,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 04:17:20,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1567356367, now seen corresponding path program 5 times [2022-03-20 04:17:20,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 04:17:20,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23052751] [2022-03-20 04:17:20,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 04:17:20,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 04:17:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 04:17:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-03-20 04:17:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-03-20 04:17:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-03-20 04:17:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-03-20 04:17:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-03-20 04:17:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-03-20 04:17:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-03-20 04:17:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-03-20 04:17:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-03-20 04:17:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-03-20 04:17:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-03-20 04:17:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-03-20 04:17:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-03-20 04:17:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-03-20 04:17:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-03-20 04:17:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-03-20 04:17:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-03-20 04:17:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-03-20 04:17:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-03-20 04:17:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-03-20 04:17:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-03-20 04:17:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-03-20 04:17:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-03-20 04:17:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-03-20 04:17:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-03-20 04:17:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-03-20 04:17:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-03-20 04:17:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-03-20 04:17:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-03-20 04:17:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-03-20 04:17:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-03-20 04:17:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-03-20 04:17:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-03-20 04:17:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-03-20 04:17:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-03-20 04:17:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-03-20 04:17:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-03-20 04:17:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-03-20 04:17:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-03-20 04:17:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-03-20 04:17:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-03-20 04:17:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-03-20 04:17:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-03-20 04:17:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-03-20 04:17:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-03-20 04:17:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-03-20 04:17:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-03-20 04:17:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-03-20 04:17:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-03-20 04:17:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-03-20 04:17:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-03-20 04:17:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-03-20 04:17:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-03-20 04:17:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-03-20 04:17:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-03-20 04:17:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-03-20 04:17:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-03-20 04:17:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-03-20 04:17:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-03-20 04:17:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-03-20 04:17:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2022-03-20 04:17:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2022-03-20 04:17:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2022-03-20 04:17:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-03-20 04:17:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-03-20 04:17:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2022-03-20 04:17:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2022-03-20 04:17:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-03-20 04:17:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2022-03-20 04:17:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2022-03-20 04:17:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2022-03-20 04:17:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2022-03-20 04:17:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2022-03-20 04:17:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2022-03-20 04:17:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2022-03-20 04:17:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 684 [2022-03-20 04:17:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2022-03-20 04:17:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-03-20 04:17:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-03-20 04:17:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2022-03-20 04:17:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 728 [2022-03-20 04:17:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2022-03-20 04:17:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2022-03-20 04:17:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2022-03-20 04:17:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 764 [2022-03-20 04:17:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2022-03-20 04:17:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 782 [2022-03-20 04:17:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2022-03-20 04:17:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-03-20 04:17:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2022-03-20 04:17:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 818 [2022-03-20 04:17:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2022-03-20 04:17:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2022-03-20 04:17:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2022-03-20 04:17:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2022-03-20 04:17:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2022-03-20 04:17:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 872 [2022-03-20 04:17:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2022-03-20 04:17:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 890 [2022-03-20 04:17:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2022-03-20 04:17:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 908 [2022-03-20 04:17:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2022-03-20 04:17:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2022-03-20 04:17:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 935 [2022-03-20 04:17:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2022-03-20 04:17:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 953 [2022-03-20 04:17:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2022-03-20 04:17:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 971 [2022-03-20 04:17:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2022-03-20 04:17:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2022-03-20 04:17:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2022-03-20 04:17:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1007 [2022-03-20 04:17:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2022-03-20 04:17:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1025 [2022-03-20 04:17:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2022-03-20 04:17:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1043 [2022-03-20 04:17:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1050 [2022-03-20 04:17:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-03-20 04:17:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-03-20 04:17:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-03-20 04:17:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-03-20 04:17:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-03-20 04:17:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-03-20 04:17:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-03-20 04:17:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-03-20 04:17:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2022-03-20 04:17:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2022-03-20 04:17:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2022-03-20 04:17:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2022-03-20 04:17:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2022-03-20 04:17:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2022-03-20 04:17:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2022-03-20 04:17:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2022-03-20 04:17:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2022-03-20 04:17:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1213 [2022-03-20 04:17:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2022-03-20 04:17:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2022-03-20 04:17:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1240 [2022-03-20 04:17:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1249 [2022-03-20 04:17:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1258 [2022-03-20 04:17:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2022-03-20 04:17:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2022-03-20 04:17:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1285 [2022-03-20 04:17:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1294 [2022-03-20 04:17:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1303 [2022-03-20 04:17:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1312 [2022-03-20 04:17:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1321 [2022-03-20 04:17:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2022-03-20 04:17:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1339 [2022-03-20 04:17:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1348 [2022-03-20 04:17:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1357 [2022-03-20 04:17:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1366 [2022-03-20 04:17:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2022-03-20 04:17:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1384 [2022-03-20 04:17:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1393 [2022-03-20 04:17:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1400 [2022-03-20 04:17:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2022-03-20 04:17:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1419 [2022-03-20 04:17:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1428 [2022-03-20 04:17:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1437 [2022-03-20 04:17:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1446 [2022-03-20 04:17:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2022-03-20 04:17:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1464 [2022-03-20 04:17:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1473 [2022-03-20 04:17:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1482 [2022-03-20 04:17:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1491 [2022-03-20 04:17:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2022-03-20 04:17:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1509 [2022-03-20 04:17:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1518 [2022-03-20 04:17:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1527 [2022-03-20 04:17:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1536 [2022-03-20 04:17:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2022-03-20 04:17:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1554 [2022-03-20 04:17:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1563 [2022-03-20 04:17:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1572 [2022-03-20 04:17:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1581 [2022-03-20 04:17:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1590 [2022-03-20 04:17:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1599 [2022-03-20 04:17:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1608 [2022-03-20 04:17:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1617 [2022-03-20 04:17:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1626 [2022-03-20 04:17:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1635 [2022-03-20 04:17:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1644 [2022-03-20 04:17:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1653 [2022-03-20 04:17:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2022-03-20 04:17:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1671 [2022-03-20 04:17:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1680 [2022-03-20 04:17:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1689 [2022-03-20 04:17:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1698 [2022-03-20 04:17:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1707 [2022-03-20 04:17:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1716 [2022-03-20 04:17:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1725 [2022-03-20 04:17:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1734 [2022-03-20 04:17:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1743 [2022-03-20 04:17:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1750 [2022-03-20 04:17:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1760 [2022-03-20 04:17:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1769 [2022-03-20 04:17:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1778 [2022-03-20 04:17:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1787 [2022-03-20 04:17:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1796 [2022-03-20 04:17:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1805 [2022-03-20 04:17:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1814 [2022-03-20 04:17:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1823 [2022-03-20 04:17:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1832 [2022-03-20 04:17:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1841 [2022-03-20 04:17:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1850 [2022-03-20 04:17:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1859 [2022-03-20 04:17:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1868 [2022-03-20 04:17:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1877 [2022-03-20 04:17:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1886 [2022-03-20 04:17:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1895 [2022-03-20 04:17:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1904 [2022-03-20 04:17:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1913 [2022-03-20 04:17:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1922 [2022-03-20 04:17:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931 [2022-03-20 04:17:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1940 [2022-03-20 04:17:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949 [2022-03-20 04:17:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1958 [2022-03-20 04:17:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967 [2022-03-20 04:17:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1976 [2022-03-20 04:17:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1985 [2022-03-20 04:17:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1994 [2022-03-20 04:17:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003 [2022-03-20 04:17:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2012 [2022-03-20 04:17:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2021 [2022-03-20 04:17:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2030 [2022-03-20 04:17:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2039 [2022-03-20 04:17:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2048 [2022-03-20 04:17:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2057 [2022-03-20 04:17:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2066 [2022-03-20 04:17:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2075 [2022-03-20 04:17:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2084 [2022-03-20 04:17:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2093 [2022-03-20 04:17:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2100 [2022-03-20 04:17:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2110 [2022-03-20 04:17:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2119 [2022-03-20 04:17:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2128 [2022-03-20 04:17:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2137 [2022-03-20 04:17:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2146 [2022-03-20 04:17:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2155 [2022-03-20 04:17:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2164 [2022-03-20 04:17:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2173 [2022-03-20 04:17:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2182 [2022-03-20 04:17:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2191 [2022-03-20 04:17:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2200 [2022-03-20 04:17:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2209 [2022-03-20 04:17:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2218 [2022-03-20 04:17:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2227 [2022-03-20 04:17:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2236 [2022-03-20 04:17:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2245 [2022-03-20 04:17:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2254 [2022-03-20 04:17:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2263 [2022-03-20 04:17:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2272 [2022-03-20 04:17:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2281 [2022-03-20 04:17:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2290 [2022-03-20 04:17:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2299 [2022-03-20 04:17:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2308 [2022-03-20 04:17:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2317 [2022-03-20 04:17:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2326 [2022-03-20 04:17:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2335 [2022-03-20 04:17:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2344 [2022-03-20 04:17:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2353 [2022-03-20 04:17:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2362 [2022-03-20 04:17:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2371 [2022-03-20 04:17:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2380 [2022-03-20 04:17:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2389 [2022-03-20 04:17:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2398 [2022-03-20 04:17:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2407 [2022-03-20 04:17:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2416 [2022-03-20 04:17:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2425 [2022-03-20 04:17:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2434 [2022-03-20 04:17:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2443 [2022-03-20 04:17:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2450 [2022-03-20 04:17:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2460 [2022-03-20 04:17:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2469 [2022-03-20 04:17:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2478 [2022-03-20 04:17:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2487 [2022-03-20 04:17:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2496 [2022-03-20 04:17:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2505 [2022-03-20 04:17:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2514 [2022-03-20 04:17:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2523 [2022-03-20 04:17:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2532 [2022-03-20 04:17:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2541 [2022-03-20 04:17:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2550 [2022-03-20 04:17:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2559 [2022-03-20 04:17:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2568 [2022-03-20 04:17:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2577 [2022-03-20 04:17:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2586 [2022-03-20 04:17:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2595 [2022-03-20 04:17:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2604 [2022-03-20 04:17:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2613 [2022-03-20 04:17:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2622 [2022-03-20 04:17:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2631 [2022-03-20 04:17:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2640 [2022-03-20 04:17:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2649 [2022-03-20 04:17:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2658 [2022-03-20 04:17:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2667 [2022-03-20 04:17:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2676 [2022-03-20 04:17:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2685 [2022-03-20 04:17:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2694 [2022-03-20 04:17:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2703 [2022-03-20 04:17:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2712 [2022-03-20 04:17:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2721 [2022-03-20 04:17:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2730 [2022-03-20 04:17:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2739 [2022-03-20 04:17:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2748 [2022-03-20 04:17:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2757 [2022-03-20 04:17:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2766 [2022-03-20 04:17:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2775 [2022-03-20 04:17:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2784 [2022-03-20 04:17:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2793 [2022-03-20 04:17:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2800 [2022-03-20 04:17:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2810 [2022-03-20 04:17:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2819 [2022-03-20 04:17:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2828 [2022-03-20 04:17:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2837 [2022-03-20 04:17:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2846 [2022-03-20 04:17:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2855 [2022-03-20 04:17:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2864 [2022-03-20 04:17:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2873 [2022-03-20 04:17:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2882 [2022-03-20 04:17:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2891 [2022-03-20 04:17:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2900 [2022-03-20 04:17:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2909 [2022-03-20 04:17:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2918 [2022-03-20 04:17:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2927 [2022-03-20 04:17:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2936 [2022-03-20 04:17:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2945 [2022-03-20 04:17:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2954 [2022-03-20 04:17:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2963 [2022-03-20 04:17:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2972 [2022-03-20 04:17:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2981 [2022-03-20 04:17:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2990 [2022-03-20 04:17:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2999 [2022-03-20 04:17:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3008 [2022-03-20 04:17:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3017 [2022-03-20 04:17:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3026 [2022-03-20 04:17:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3035 [2022-03-20 04:17:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3044 [2022-03-20 04:17:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3053 [2022-03-20 04:17:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3062 [2022-03-20 04:17:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3071 [2022-03-20 04:17:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3080 [2022-03-20 04:17:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3089 [2022-03-20 04:17:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3098 [2022-03-20 04:17:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3107 [2022-03-20 04:17:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3116 [2022-03-20 04:17:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3125 [2022-03-20 04:17:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3134 [2022-03-20 04:17:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3143 [2022-03-20 04:17:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3150 [2022-03-20 04:17:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3160 [2022-03-20 04:17:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3169 [2022-03-20 04:17:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3178 [2022-03-20 04:17:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3187 [2022-03-20 04:17:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3196 [2022-03-20 04:17:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3205 [2022-03-20 04:17:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3214 [2022-03-20 04:17:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3223 [2022-03-20 04:17:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3232 [2022-03-20 04:17:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3241 [2022-03-20 04:17:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3250 [2022-03-20 04:17:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3259 [2022-03-20 04:17:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3268 [2022-03-20 04:17:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3277 [2022-03-20 04:17:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3286 [2022-03-20 04:17:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3295 [2022-03-20 04:17:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3304 [2022-03-20 04:17:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3313 [2022-03-20 04:17:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3322 [2022-03-20 04:17:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3331 [2022-03-20 04:17:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3340 [2022-03-20 04:17:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2022-03-20 04:17:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3358 [2022-03-20 04:17:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3367 [2022-03-20 04:17:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3376 [2022-03-20 04:17:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3385 [2022-03-20 04:17:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3394 [2022-03-20 04:17:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3403 [2022-03-20 04:17:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3412 [2022-03-20 04:17:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3421 [2022-03-20 04:17:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3430 [2022-03-20 04:17:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3439 [2022-03-20 04:17:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3448 [2022-03-20 04:17:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3457 [2022-03-20 04:17:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3466 [2022-03-20 04:17:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3475 [2022-03-20 04:17:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3484 [2022-03-20 04:17:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3493 [2022-03-20 04:17:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3500 [2022-03-20 04:17:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 04:17:25,818 INFO L134 CoverageAnalysis]: Checked inductivity of 812640 backedges. 92455 proven. 4959 refuted. 0 times theorem prover too weak. 715226 trivial. 0 not checked. [2022-03-20 04:17:25,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 04:17:25,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23052751] [2022-03-20 04:17:25,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23052751] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 04:17:25,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492128281] [2022-03-20 04:17:25,818 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-20 04:17:25,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 04:17:25,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 04:17:25,820 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 04:17:25,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process