/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-7390193 [2022-04-05 01:05:41,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-05 01:05:41,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-05 01:05:41,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-05 01:05:41,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-05 01:05:41,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-05 01:05:41,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-05 01:05:41,753 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-05 01:05:41,758 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-05 01:05:41,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-05 01:05:41,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-05 01:05:41,759 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-05 01:05:41,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-05 01:05:41,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-05 01:05:41,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-05 01:05:41,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-05 01:05:41,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-05 01:05:41,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-05 01:05:41,760 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-05 01:05:41,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-05 01:05:41,760 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-05 01:05:41,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-05 01:05:41,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-05 01:05:41,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-05 01:05:41,760 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-05 01:05:41,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-05 01:05:41,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 01:05:41,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-05 01:05:41,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-05 01:05:41,761 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-05 01:05:41,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-05 01:05:41,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-05 01:05:41,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-05 01:05:41,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-05 01:05:41,964 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-05 01:05:41,966 INFO L275 PluginConnector]: CDTParser initialized [2022-04-05 01:05:41,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested3-1.c [2022-04-05 01:05:42,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef3afece2/3f4e20217bf74571bbcd27e1896697cc/FLAGcb5abd7a4 [2022-04-05 01:05:42,345 INFO L306 CDTParser]: Found 1 translation units. [2022-04-05 01:05:42,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-1.c [2022-04-05 01:05:42,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef3afece2/3f4e20217bf74571bbcd27e1896697cc/FLAGcb5abd7a4 [2022-04-05 01:05:42,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef3afece2/3f4e20217bf74571bbcd27e1896697cc [2022-04-05 01:05:42,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-05 01:05:42,363 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-05 01:05:42,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-05 01:05:42,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-05 01:05:42,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-05 01:05:42,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 01:05:42" (1/1) ... [2022-04-05 01:05:42,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c521617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:05:42, skipping insertion in model container [2022-04-05 01:05:42,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 01:05:42" (1/1) ... [2022-04-05 01:05:42,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-05 01:05:42,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-05 01:05:42,481 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] [2022-04-05 01:05:42,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 01:05:42,520 INFO L203 MainTranslator]: Completed pre-run [2022-04-05 01:05:42,549 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] [2022-04-05 01:05:42,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 01:05:42,581 INFO L208 MainTranslator]: Completed translation [2022-04-05 01:05:42,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:05:42 WrapperNode [2022-04-05 01:05:42,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-05 01:05:42,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-05 01:05:42,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-05 01:05:42,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-05 01:05:42,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:05:42" (1/1) ... [2022-04-05 01:05:42,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:05:42" (1/1) ... [2022-04-05 01:05:42,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:05:42" (1/1) ... [2022-04-05 01:05:42,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:05:42" (1/1) ... [2022-04-05 01:05:42,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:05:42" (1/1) ... [2022-04-05 01:05:42,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:05:42" (1/1) ... [2022-04-05 01:05:42,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:05:42" (1/1) ... [2022-04-05 01:05:42,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-05 01:05:42,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-05 01:05:42,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-05 01:05:42,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-05 01:05:42,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:05:42" (1/1) ... [2022-04-05 01:05:42,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 01:05:42,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 01:05:42,643 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) [2022-04-05 01:05:42,661 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 [2022-04-05 01:05:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-05 01:05:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-05 01:05:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-05 01:05:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-05 01:05:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-05 01:05:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-05 01:05:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-05 01:05:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-05 01:05:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-05 01:05:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-05 01:05:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-05 01:05:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-05 01:05:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-05 01:05:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-05 01:05:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-05 01:05:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-05 01:05:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-05 01:05:42,712 INFO L234 CfgBuilder]: Building ICFG [2022-04-05 01:05:42,714 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-05 01:05:42,857 INFO L275 CfgBuilder]: Performing block encoding [2022-04-05 01:05:42,861 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-05 01:05:42,861 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-04-05 01:05:42,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 01:05:42 BoogieIcfgContainer [2022-04-05 01:05:42,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-05 01:05:42,863 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-05 01:05:42,863 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-05 01:05:42,864 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-05 01:05:42,866 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 01:05:42" (1/1) ... [2022-04-05 01:05:42,880 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-05 01:05:43,074 INFO L89 elerationTransformer]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-05 01:05:43,075 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] [2022-04-05 01:05:43,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 01:05:43 BasicIcfg [2022-04-05 01:05:43,079 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-05 01:05:43,080 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-05 01:05:43,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-05 01:05:43,082 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-05 01:05:43,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 01:05:42" (1/4) ... [2022-04-05 01:05:43,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ea62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 01:05:43, skipping insertion in model container [2022-04-05 01:05:43,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:05:42" (2/4) ... [2022-04-05 01:05:43,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ea62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 01:05:43, skipping insertion in model container [2022-04-05 01:05:43,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 01:05:42" (3/4) ... [2022-04-05 01:05:43,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ea62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 01:05:43, skipping insertion in model container [2022-04-05 01:05:43,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 01:05:43" (4/4) ... [2022-04-05 01:05:43,084 INFO L111 eAbstractionObserver]: Analyzing ICFG nested3-1.cJordan [2022-04-05 01:05:43,087 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-05 01:05:43,087 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-05 01:05:43,112 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-05 01:05:43,117 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 [2022-04-05 01:05:43,117 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-05 01:05:43,125 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) [2022-04-05 01:05:43,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-05 01:05:43,130 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 01:05:43,131 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 01:05:43,131 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 01:05:43,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 01:05:43,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1301415802, now seen corresponding path program 1 times [2022-04-05 01:05:43,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 01:05:43,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134500500] [2022-04-05 01:05:43,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 01:05:43,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 01:05:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:43,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 01:05:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 01:05:43,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 01:05:43,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134500500] [2022-04-05 01:05:43,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134500500] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 01:05:43,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 01:05:43,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-05 01:05:43,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961231433] [2022-04-05 01:05:43,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 01:05:43,269 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-05 01:05:43,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 01:05:43,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-05 01:05:43,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-05 01:05:43,298 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) [2022-04-05 01:05:43,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 01:05:43,337 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-04-05 01:05:43,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-05 01:05:43,339 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 [2022-04-05 01:05:43,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 01:05:43,347 INFO L225 Difference]: With dead ends: 25 [2022-04-05 01:05:43,347 INFO L226 Difference]: Without dead ends: 20 [2022-04-05 01:05:43,348 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 [2022-04-05 01:05:43,353 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 [2022-04-05 01:05:43,354 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] [2022-04-05 01:05:43,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-04-05 01:05:43,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-04-05 01:05:43,379 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) [2022-04-05 01:05:43,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2022-04-05 01:05:43,381 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 11 [2022-04-05 01:05:43,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 01:05:43,381 INFO L478 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-04-05 01:05:43,382 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) [2022-04-05 01:05:43,382 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-04-05 01:05:43,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-05 01:05:43,383 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 01:05:43,383 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 01:05:43,383 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-05 01:05:43,383 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 01:05:43,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 01:05:43,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1302339323, now seen corresponding path program 1 times [2022-04-05 01:05:43,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 01:05:43,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774771014] [2022-04-05 01:05:43,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 01:05:43,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 01:05:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:43,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 01:05:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:43,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 01:05:43,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 01:05:43,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774771014] [2022-04-05 01:05:43,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774771014] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 01:05:43,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 01:05:43,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 01:05:43,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52553366] [2022-04-05 01:05:43,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 01:05:43,470 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 01:05:43,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 01:05:43,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 01:05:43,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 01:05:43,473 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) [2022-04-05 01:05:43,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 01:05:43,545 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2022-04-05 01:05:43,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 01:05:43,546 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 [2022-04-05 01:05:43,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 01:05:43,547 INFO L225 Difference]: With dead ends: 27 [2022-04-05 01:05:43,548 INFO L226 Difference]: Without dead ends: 27 [2022-04-05 01:05:43,550 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 [2022-04-05 01:05:43,551 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, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 01:05:43,552 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 27 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 01:05:43,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-04-05 01:05:43,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2022-04-05 01:05:43,558 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) [2022-04-05 01:05:43,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2022-04-05 01:05:43,558 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 11 [2022-04-05 01:05:43,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 01:05:43,561 INFO L478 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-04-05 01:05:43,561 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) [2022-04-05 01:05:43,562 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-04-05 01:05:43,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-05 01:05:43,562 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 01:05:43,562 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 01:05:43,562 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-05 01:05:43,562 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 01:05:43,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 01:05:43,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1748313539, now seen corresponding path program 1 times [2022-04-05 01:05:43,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 01:05:43,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840592563] [2022-04-05 01:05:43,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 01:05:43,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 01:05:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:43,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 01:05:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:43,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 01:05:43,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 01:05:43,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840592563] [2022-04-05 01:05:43,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840592563] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 01:05:43,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 01:05:43,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 01:05:43,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277236116] [2022-04-05 01:05:43,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 01:05:43,626 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 01:05:43,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 01:05:43,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 01:05:43,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 01:05:43,627 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) [2022-04-05 01:05:43,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 01:05:43,690 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2022-04-05 01:05:43,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 01:05:43,691 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 [2022-04-05 01:05:43,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 01:05:43,691 INFO L225 Difference]: With dead ends: 25 [2022-04-05 01:05:43,691 INFO L226 Difference]: Without dead ends: 25 [2022-04-05 01:05:43,691 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 [2022-04-05 01:05:43,692 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 [2022-04-05 01:05:43,692 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] [2022-04-05 01:05:43,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-04-05 01:05:43,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2022-04-05 01:05:43,697 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) [2022-04-05 01:05:43,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-04-05 01:05:43,698 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 12 [2022-04-05 01:05:43,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 01:05:43,698 INFO L478 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-04-05 01:05:43,698 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) [2022-04-05 01:05:43,698 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-04-05 01:05:43,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-04-05 01:05:43,698 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 01:05:43,698 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 01:05:43,699 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-05 01:05:43,699 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 01:05:43,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 01:05:43,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1606116621, now seen corresponding path program 1 times [2022-04-05 01:05:43,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 01:05:43,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928442148] [2022-04-05 01:05:43,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 01:05:43,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 01:05:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:43,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 01:05:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 01:05:43,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 01:05:43,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928442148] [2022-04-05 01:05:43,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928442148] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 01:05:43,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 01:05:43,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 01:05:43,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004741103] [2022-04-05 01:05:43,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 01:05:43,739 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 01:05:43,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 01:05:43,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 01:05:43,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 01:05:43,740 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) [2022-04-05 01:05:43,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 01:05:43,765 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2022-04-05 01:05:43,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 01:05:43,766 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 [2022-04-05 01:05:43,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 01:05:43,766 INFO L225 Difference]: With dead ends: 24 [2022-04-05 01:05:43,767 INFO L226 Difference]: Without dead ends: 24 [2022-04-05 01:05:43,767 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 [2022-04-05 01:05:43,768 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 [2022-04-05 01:05:43,768 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] [2022-04-05 01:05:43,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-04-05 01:05:43,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-04-05 01:05:43,770 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) [2022-04-05 01:05:43,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-04-05 01:05:43,771 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 13 [2022-04-05 01:05:43,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 01:05:43,771 INFO L478 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-04-05 01:05:43,774 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) [2022-04-05 01:05:43,774 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-04-05 01:05:43,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-04-05 01:05:43,775 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 01:05:43,775 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 01:05:43,775 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-05 01:05:43,775 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 01:05:43,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 01:05:43,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1773342651, now seen corresponding path program 1 times [2022-04-05 01:05:43,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 01:05:43,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789592552] [2022-04-05 01:05:43,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 01:05:43,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 01:05:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:43,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 01:05:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:43,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 01:05:43,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 01:05:43,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789592552] [2022-04-05 01:05:43,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789592552] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 01:05:43,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459801260] [2022-04-05 01:05:43,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 01:05:43,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 01:05:43,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 01:05:43,930 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) [2022-04-05 01:05:43,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-05 01:05:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:43,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-05 01:05:43,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 01:05:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 01:05:44,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 01:05:44,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-05 01:05:44,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459801260] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-05 01:05:44,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-04-05 01:05:44,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8] total 16 [2022-04-05 01:05:44,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455718449] [2022-04-05 01:05:44,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 01:05:44,364 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 01:05:44,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 01:05:44,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 01:05:44,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-04-05 01:05:44,370 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) [2022-04-05 01:05:44,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 01:05:44,408 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2022-04-05 01:05:44,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-05 01:05:44,409 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 [2022-04-05 01:05:44,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 01:05:44,409 INFO L225 Difference]: With dead ends: 28 [2022-04-05 01:05:44,409 INFO L226 Difference]: Without dead ends: 28 [2022-04-05 01:05:44,410 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-04-05 01:05:44,410 INFO L913 BasicCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-05 01:05:44,411 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 69 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-05 01:05:44,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-04-05 01:05:44,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-04-05 01:05:44,413 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) [2022-04-05 01:05:44,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-04-05 01:05:44,413 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 14 [2022-04-05 01:05:44,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 01:05:44,413 INFO L478 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-04-05 01:05:44,413 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) [2022-04-05 01:05:44,414 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-04-05 01:05:44,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-04-05 01:05:44,414 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 01:05:44,414 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] [2022-04-05 01:05:44,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-05 01:05:44,619 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 [2022-04-05 01:05:44,620 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 01:05:44,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 01:05:44,620 INFO L85 PathProgramCache]: Analyzing trace with hash 259423101, now seen corresponding path program 1 times [2022-04-05 01:05:44,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 01:05:44,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227877800] [2022-04-05 01:05:44,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 01:05:44,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 01:05:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:44,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 01:05:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:44,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-05 01:05:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:44,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-05 01:05:44,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 01:05:44,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227877800] [2022-04-05 01:05:44,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227877800] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 01:05:44,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80654654] [2022-04-05 01:05:44,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 01:05:44,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 01:05:44,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 01:05:44,693 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) [2022-04-05 01:05:44,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-05 01:05:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:44,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-05 01:05:44,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 01:05:44,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-05 01:05:44,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 01:05:44,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-05 01:05:44,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80654654] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 01:05:44,839 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 01:05:44,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 12 [2022-04-05 01:05:44,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940381662] [2022-04-05 01:05:44,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 01:05:44,840 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-05 01:05:44,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 01:05:44,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-05 01:05:44,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-04-05 01:05:44,841 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) [2022-04-05 01:05:45,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 01:05:45,025 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2022-04-05 01:05:45,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-05 01:05:45,025 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 [2022-04-05 01:05:45,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 01:05:45,028 INFO L225 Difference]: With dead ends: 49 [2022-04-05 01:05:45,028 INFO L226 Difference]: Without dead ends: 49 [2022-04-05 01:05:45,028 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 [2022-04-05 01:05:45,033 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 [2022-04-05 01:05:45,033 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] [2022-04-05 01:05:45,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-04-05 01:05:45,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 42. [2022-04-05 01:05:45,044 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) [2022-04-05 01:05:45,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2022-04-05 01:05:45,045 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 21 [2022-04-05 01:05:45,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 01:05:45,045 INFO L478 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2022-04-05 01:05:45,045 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) [2022-04-05 01:05:45,045 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-04-05 01:05:45,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-04-05 01:05:45,046 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 01:05:45,046 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] [2022-04-05 01:05:45,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-05 01:05:45,249 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 [2022-04-05 01:05:45,250 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 01:05:45,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 01:05:45,250 INFO L85 PathProgramCache]: Analyzing trace with hash -515836157, now seen corresponding path program 2 times [2022-04-05 01:05:45,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 01:05:45,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132013176] [2022-04-05 01:05:45,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 01:05:45,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 01:05:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:45,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 01:05:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:45,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-05 01:05:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:45,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-04-05 01:05:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:45,331 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-04-05 01:05:45,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 01:05:45,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132013176] [2022-04-05 01:05:45,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132013176] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 01:05:45,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344362957] [2022-04-05 01:05:45,332 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-05 01:05:45,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 01:05:45,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 01:05:45,336 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) [2022-04-05 01:05:45,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-05 01:05:45,372 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-05 01:05:45,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-05 01:05:45,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-05 01:05:45,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 01:05:45,444 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-04-05 01:05:45,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 01:05:45,526 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-04-05 01:05:45,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344362957] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 01:05:45,526 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 01:05:45,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2022-04-05 01:05:45,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822661479] [2022-04-05 01:05:45,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 01:05:45,528 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-05 01:05:45,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 01:05:45,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-05 01:05:45,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-04-05 01:05:45,531 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) [2022-04-05 01:05:45,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 01:05:45,690 INFO L93 Difference]: Finished difference Result 62 states and 78 transitions. [2022-04-05 01:05:45,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-05 01:05:45,691 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 [2022-04-05 01:05:45,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 01:05:45,692 INFO L225 Difference]: With dead ends: 62 [2022-04-05 01:05:45,692 INFO L226 Difference]: Without dead ends: 62 [2022-04-05 01:05:45,692 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 [2022-04-05 01:05:45,693 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 [2022-04-05 01:05:45,693 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] [2022-04-05 01:05:45,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-04-05 01:05:45,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-04-05 01:05:45,696 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) [2022-04-05 01:05:45,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2022-04-05 01:05:45,697 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 30 [2022-04-05 01:05:45,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 01:05:45,697 INFO L478 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-04-05 01:05:45,697 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) [2022-04-05 01:05:45,697 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2022-04-05 01:05:45,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-04-05 01:05:45,698 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 01:05:45,698 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] [2022-04-05 01:05:45,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-05 01:05:45,899 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 [2022-04-05 01:05:45,899 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 01:05:45,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 01:05:45,900 INFO L85 PathProgramCache]: Analyzing trace with hash -820041341, now seen corresponding path program 3 times [2022-04-05 01:05:45,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 01:05:45,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844656687] [2022-04-05 01:05:45,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 01:05:45,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 01:05:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:46,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 01:05:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:46,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-05 01:05:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:46,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-04-05 01:05:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:46,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-04-05 01:05:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:46,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-04-05 01:05:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:46,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-04-05 01:05:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:46,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-04-05 01:05:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 12 proven. 111 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-04-05 01:05:46,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 01:05:46,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844656687] [2022-04-05 01:05:46,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844656687] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 01:05:46,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398592978] [2022-04-05 01:05:46,102 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-05 01:05:46,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 01:05:46,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 01:05:46,103 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) [2022-04-05 01:05:46,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-05 01:05:46,182 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-04-05 01:05:46,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-05 01:05:46,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-05 01:05:46,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 01:05:46,391 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-04-05 01:05:46,392 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-05 01:05:46,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398592978] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 01:05:46,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-05 01:05:46,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2022-04-05 01:05:46,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657563470] [2022-04-05 01:05:46,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 01:05:46,392 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-05 01:05:46,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 01:05:46,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-05 01:05:46,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2022-04-05 01:05:46,393 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) [2022-04-05 01:05:46,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 01:05:46,495 INFO L93 Difference]: Finished difference Result 66 states and 81 transitions. [2022-04-05 01:05:46,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-05 01:05:46,496 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 [2022-04-05 01:05:46,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 01:05:46,496 INFO L225 Difference]: With dead ends: 66 [2022-04-05 01:05:46,496 INFO L226 Difference]: Without dead ends: 64 [2022-04-05 01:05:46,497 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 [2022-04-05 01:05:46,497 INFO L913 BasicCegarLoop]: 26 mSDtfsCounter, 13 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-05 01:05:46,497 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 101 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-05 01:05:46,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-04-05 01:05:46,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 54. [2022-04-05 01:05:46,500 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) [2022-04-05 01:05:46,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2022-04-05 01:05:46,501 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 66 [2022-04-05 01:05:46,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 01:05:46,501 INFO L478 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2022-04-05 01:05:46,501 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) [2022-04-05 01:05:46,501 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-04-05 01:05:46,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-04-05 01:05:46,502 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 01:05:46,502 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] [2022-04-05 01:05:46,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-05 01:05:46,706 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 [2022-04-05 01:05:46,706 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 01:05:46,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 01:05:46,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1241135261, now seen corresponding path program 1 times [2022-04-05 01:05:46,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 01:05:46,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114865706] [2022-04-05 01:05:46,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 01:05:46,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 01:05:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:46,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 01:05:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:46,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-05 01:05:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:46,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-04-05 01:05:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:46,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-04-05 01:05:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:46,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-04-05 01:05:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:46,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-04-05 01:05:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:46,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-04-05 01:05:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:46,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-04-05 01:05:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 15 proven. 111 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-04-05 01:05:46,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 01:05:46,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114865706] [2022-04-05 01:05:46,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114865706] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 01:05:46,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517074594] [2022-04-05 01:05:46,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 01:05:46,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 01:05:46,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 01:05:46,846 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) [2022-04-05 01:05:46,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-05 01:05:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:46,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-05 01:05:46,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 01:05:47,049 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 14 proven. 42 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-04-05 01:05:47,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 01:05:47,232 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-04-05 01:05:47,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517074594] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 01:05:47,233 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 01:05:47,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 18 [2022-04-05 01:05:47,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609110189] [2022-04-05 01:05:47,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 01:05:47,235 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-04-05 01:05:47,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 01:05:47,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-04-05 01:05:47,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-04-05 01:05:47,236 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) [2022-04-05 01:05:48,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 01:05:48,204 INFO L93 Difference]: Finished difference Result 192 states and 262 transitions. [2022-04-05 01:05:48,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-04-05 01:05:48,205 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 [2022-04-05 01:05:48,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 01:05:48,206 INFO L225 Difference]: With dead ends: 192 [2022-04-05 01:05:48,206 INFO L226 Difference]: Without dead ends: 192 [2022-04-05 01:05:48,207 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 [2022-04-05 01:05:48,208 INFO L913 BasicCegarLoop]: 53 mSDtfsCounter, 411 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-05 01:05:48,208 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [411 Valid, 80 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-05 01:05:48,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-04-05 01:05:48,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 176. [2022-04-05 01:05:48,214 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) [2022-04-05 01:05:48,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 238 transitions. [2022-04-05 01:05:48,216 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 238 transitions. Word has length 73 [2022-04-05 01:05:48,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 01:05:48,216 INFO L478 AbstractCegarLoop]: Abstraction has 176 states and 238 transitions. [2022-04-05 01:05:48,216 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) [2022-04-05 01:05:48,216 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 238 transitions. [2022-04-05 01:05:48,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-04-05 01:05:48,226 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 01:05:48,226 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] [2022-04-05 01:05:48,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-05 01:05:48,427 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 [2022-04-05 01:05:48,430 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 01:05:48,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 01:05:48,430 INFO L85 PathProgramCache]: Analyzing trace with hash 827581691, now seen corresponding path program 2 times [2022-04-05 01:05:48,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 01:05:48,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073712392] [2022-04-05 01:05:48,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 01:05:48,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 01:05:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 01:05:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-05 01:05:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-04-05 01:05:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-04-05 01:05:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-04-05 01:05:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-04-05 01:05:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-04-05 01:05:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-04-05 01:05:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-04-05 01:05:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-04-05 01:05:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-04-05 01:05:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-04-05 01:05:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-04-05 01:05:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-04-05 01:05:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-04-05 01:05:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-04-05 01:05:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-04-05 01:05:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-04-05 01:05:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-04-05 01:05:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-04-05 01:05:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-04-05 01:05:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-04-05 01:05:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-04-05 01:05:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-04-05 01:05:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-04-05 01:05:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-04-05 01:05:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-04-05 01:05:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-04-05 01:05:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-04-05 01:05:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-04-05 01:05:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-04-05 01:05:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-04-05 01:05:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-04-05 01:05:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:48,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 1142 proven. 154 refuted. 0 times theorem prover too weak. 3566 trivial. 0 not checked. [2022-04-05 01:05:48,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 01:05:48,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073712392] [2022-04-05 01:05:48,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073712392] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 01:05:48,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140467476] [2022-04-05 01:05:48,717 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-05 01:05:48,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 01:05:48,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 01:05:48,718 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) [2022-04-05 01:05:48,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-05 01:05:48,812 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-05 01:05:48,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-05 01:05:48,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 22 conjunts are in the unsatisfiable core [2022-04-05 01:05:48,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 01:05:49,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 64 proven. 2303 refuted. 0 times theorem prover too weak. 2495 trivial. 0 not checked. [2022-04-05 01:05:49,317 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 01:05:49,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 151 proven. 2216 refuted. 0 times theorem prover too weak. 2495 trivial. 0 not checked. [2022-04-05 01:05:49,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140467476] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 01:05:49,980 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 01:05:49,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 31 [2022-04-05 01:05:49,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634989209] [2022-04-05 01:05:49,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 01:05:49,981 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-04-05 01:05:49,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 01:05:49,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-04-05 01:05:49,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=744, Unknown=0, NotChecked=0, Total=930 [2022-04-05 01:05:49,982 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) [2022-04-05 01:05:56,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 01:05:56,460 INFO L93 Difference]: Finished difference Result 500 states and 698 transitions. [2022-04-05 01:05:56,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-04-05 01:05:56,461 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 [2022-04-05 01:05:56,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 01:05:56,463 INFO L225 Difference]: With dead ends: 500 [2022-04-05 01:05:56,463 INFO L226 Difference]: Without dead ends: 500 [2022-04-05 01:05:56,467 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 638 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5322 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=2534, Invalid=12966, Unknown=0, NotChecked=0, Total=15500 [2022-04-05 01:05:56,467 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 [2022-04-05 01:05:56,468 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] [2022-04-05 01:05:56,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2022-04-05 01:05:56,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 460. [2022-04-05 01:05:56,499 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) [2022-04-05 01:05:56,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 638 transitions. [2022-04-05 01:05:56,501 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 638 transitions. Word has length 295 [2022-04-05 01:05:56,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 01:05:56,502 INFO L478 AbstractCegarLoop]: Abstraction has 460 states and 638 transitions. [2022-04-05 01:05:56,502 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) [2022-04-05 01:05:56,502 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 638 transitions. [2022-04-05 01:05:56,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2022-04-05 01:05:56,521 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 01:05:56,522 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] [2022-04-05 01:05:56,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-05 01:05:56,735 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 [2022-04-05 01:05:56,735 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 01:05:56,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 01:05:56,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1825980721, now seen corresponding path program 3 times [2022-04-05 01:05:56,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 01:05:56,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425717759] [2022-04-05 01:05:56,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 01:05:56,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 01:05:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 01:05:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-05 01:05:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-04-05 01:05:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-04-05 01:05:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-04-05 01:05:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-04-05 01:05:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-04-05 01:05:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-04-05 01:05:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-04-05 01:05:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-04-05 01:05:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-04-05 01:05:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-04-05 01:05:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-04-05 01:05:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-04-05 01:05:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-04-05 01:05:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-04-05 01:05:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-04-05 01:05:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-04-05 01:05:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-04-05 01:05:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-04-05 01:05:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-04-05 01:05:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-04-05 01:05:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-04-05 01:05:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-04-05 01:05:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-04-05 01:05:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-04-05 01:05:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-04-05 01:05:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-04-05 01:05:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-04-05 01:05:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-04-05 01:05:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-04-05 01:05:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-04-05 01:05:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-04-05 01:05:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-04-05 01:05:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-04-05 01:05:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-04-05 01:05:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-04-05 01:05:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-04-05 01:05:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-04-05 01:05:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-04-05 01:05:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-04-05 01:05:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-04-05 01:05:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-04-05 01:05:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-04-05 01:05:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-04-05 01:05:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-04-05 01:05:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-04-05 01:05:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-04-05 01:05:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-04-05 01:05:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-04-05 01:05:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-04-05 01:05:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-04-05 01:05:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-04-05 01:05:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-04-05 01:05:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-04-05 01:05:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-04-05 01:05:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-04-05 01:05:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-04-05 01:05:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-04-05 01:05:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-04-05 01:05:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-04-05 01:05:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-04-05 01:05:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-04-05 01:05:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-04-05 01:05:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-04-05 01:05:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-04-05 01:05:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2022-04-05 01:05:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-04-05 01:05:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-04-05 01:05:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2022-04-05 01:05:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2022-04-05 01:05:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2022-04-05 01:05:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2022-04-05 01:05:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2022-04-05 01:05:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-04-05 01:05:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-04-05 01:05:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2022-04-05 01:05:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-04-05 01:05:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2022-04-05 01:05:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2022-04-05 01:05:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2022-04-05 01:05:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2022-04-05 01:05:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 730 [2022-04-05 01:05:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 739 [2022-04-05 01:05:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 748 [2022-04-05 01:05:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 757 [2022-04-05 01:05:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 766 [2022-04-05 01:05:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 775 [2022-04-05 01:05:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 784 [2022-04-05 01:05:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 793 [2022-04-05 01:05:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-04-05 01:05:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:05:57,388 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4375 proven. 204 refuted. 0 times theorem prover too weak. 34811 trivial. 0 not checked. [2022-04-05 01:05:57,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 01:05:57,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425717759] [2022-04-05 01:05:57,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425717759] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 01:05:57,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940835452] [2022-04-05 01:05:57,389 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-05 01:05:57,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 01:05:57,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 01:05:57,390 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) [2022-04-05 01:05:57,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-05 01:05:58,014 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2022-04-05 01:05:58,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-05 01:05:58,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 19 conjunts are in the unsatisfiable core [2022-04-05 01:05:58,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 01:05:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4747 proven. 204 refuted. 0 times theorem prover too weak. 34439 trivial. 0 not checked. [2022-04-05 01:05:59,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 01:05:59,994 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4393 proven. 204 refuted. 0 times theorem prover too weak. 34793 trivial. 0 not checked. [2022-04-05 01:05:59,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940835452] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 01:05:59,994 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 01:05:59,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 22 [2022-04-05 01:05:59,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975065372] [2022-04-05 01:05:59,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 01:05:59,996 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-04-05 01:05:59,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 01:05:59,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-04-05 01:05:59,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2022-04-05 01:05:59,997 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) [2022-04-05 01:06:02,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 01:06:02,391 INFO L93 Difference]: Finished difference Result 960 states and 1338 transitions. [2022-04-05 01:06:02,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-04-05 01:06:02,391 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 [2022-04-05 01:06:02,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 01:06:02,395 INFO L225 Difference]: With dead ends: 960 [2022-04-05 01:06:02,395 INFO L226 Difference]: Without dead ends: 960 [2022-04-05 01:06:02,395 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 1833 GetRequests, 1794 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=455, Invalid=1105, Unknown=0, NotChecked=0, Total=1560 [2022-04-05 01:06:02,395 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 [2022-04-05 01:06:02,396 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] [2022-04-05 01:06:02,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2022-04-05 01:06:02,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 960. [2022-04-05 01:06:02,410 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) [2022-04-05 01:06:02,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1338 transitions. [2022-04-05 01:06:02,415 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1338 transitions. Word has length 811 [2022-04-05 01:06:02,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 01:06:02,415 INFO L478 AbstractCegarLoop]: Abstraction has 960 states and 1338 transitions. [2022-04-05 01:06:02,416 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) [2022-04-05 01:06:02,416 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1338 transitions. [2022-04-05 01:06:02,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1712 [2022-04-05 01:06:02,469 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 01:06:02,470 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] [2022-04-05 01:06:02,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-05 01:06:02,674 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 [2022-04-05 01:06:02,675 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 01:06:02,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 01:06:02,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1014981681, now seen corresponding path program 4 times [2022-04-05 01:06:02,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 01:06:02,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174859633] [2022-04-05 01:06:02,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 01:06:02,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 01:06:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 01:06:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-05 01:06:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-04-05 01:06:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-04-05 01:06:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-04-05 01:06:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-04-05 01:06:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-04-05 01:06:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-04-05 01:06:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-04-05 01:06:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-04-05 01:06:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-04-05 01:06:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-04-05 01:06:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-04-05 01:06:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-04-05 01:06:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-04-05 01:06:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-04-05 01:06:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-04-05 01:06:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-04-05 01:06:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-04-05 01:06:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-04-05 01:06:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-04-05 01:06:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-04-05 01:06:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-04-05 01:06:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-04-05 01:06:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-04-05 01:06:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-04-05 01:06:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-04-05 01:06:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-04-05 01:06:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-04-05 01:06:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-04-05 01:06:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-04-05 01:06:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-04-05 01:06:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-04-05 01:06:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-04-05 01:06:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-04-05 01:06:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-04-05 01:06:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-04-05 01:06:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-04-05 01:06:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-04-05 01:06:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-04-05 01:06:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-04-05 01:06:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-04-05 01:06:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-04-05 01:06:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-04-05 01:06:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-04-05 01:06:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-04-05 01:06:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-04-05 01:06:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-04-05 01:06:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-04-05 01:06:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-04-05 01:06:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-04-05 01:06:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-04-05 01:06:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-04-05 01:06:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-04-05 01:06:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-04-05 01:06:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-04-05 01:06:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-04-05 01:06:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-04-05 01:06:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-04-05 01:06:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-04-05 01:06:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-04-05 01:06:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-04-05 01:06:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-04-05 01:06:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-04-05 01:06:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-04-05 01:06:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-04-05 01:06:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-04-05 01:06:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-04-05 01:06:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-04-05 01:06:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-04-05 01:06:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-04-05 01:06:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-04-05 01:06:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-04-05 01:06:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-04-05 01:06:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-04-05 01:06:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-04-05 01:06:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2022-04-05 01:06:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 690 [2022-04-05 01:06:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2022-04-05 01:06:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2022-04-05 01:06:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 717 [2022-04-05 01:06:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 726 [2022-04-05 01:06:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 735 [2022-04-05 01:06:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2022-04-05 01:06:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 753 [2022-04-05 01:06:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 762 [2022-04-05 01:06:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 771 [2022-04-05 01:06:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 780 [2022-04-05 01:06:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 789 [2022-04-05 01:06:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 798 [2022-04-05 01:06:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 807 [2022-04-05 01:06:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 816 [2022-04-05 01:06:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 825 [2022-04-05 01:06:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 834 [2022-04-05 01:06:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2022-04-05 01:06:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 850 [2022-04-05 01:06:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2022-04-05 01:06:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2022-04-05 01:06:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 878 [2022-04-05 01:06:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2022-04-05 01:06:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 896 [2022-04-05 01:06:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2022-04-05 01:06:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2022-04-05 01:06:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2022-04-05 01:06:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2022-04-05 01:06:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2022-04-05 01:06:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2022-04-05 01:06:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2022-04-05 01:06:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2022-04-05 01:06:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 977 [2022-04-05 01:06:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 986 [2022-04-05 01:06:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 995 [2022-04-05 01:06:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2022-04-05 01:06:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1013 [2022-04-05 01:06:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1020 [2022-04-05 01:06:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1030 [2022-04-05 01:06:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1039 [2022-04-05 01:06:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1048 [2022-04-05 01:06:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1057 [2022-04-05 01:06:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1066 [2022-04-05 01:06:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1075 [2022-04-05 01:06:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1084 [2022-04-05 01:06:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1093 [2022-04-05 01:06:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1102 [2022-04-05 01:06:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1111 [2022-04-05 01:06:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1120 [2022-04-05 01:06:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1129 [2022-04-05 01:06:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1138 [2022-04-05 01:06:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1147 [2022-04-05 01:06:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1156 [2022-04-05 01:06:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1165 [2022-04-05 01:06:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1174 [2022-04-05 01:06:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1183 [2022-04-05 01:06:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1190 [2022-04-05 01:06:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2022-04-05 01:06:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2022-04-05 01:06:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1218 [2022-04-05 01:06:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1227 [2022-04-05 01:06:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1236 [2022-04-05 01:06:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2022-04-05 01:06:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1254 [2022-04-05 01:06:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1263 [2022-04-05 01:06:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1272 [2022-04-05 01:06:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1281 [2022-04-05 01:06:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2022-04-05 01:06:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1299 [2022-04-05 01:06:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1308 [2022-04-05 01:06:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1317 [2022-04-05 01:06:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1326 [2022-04-05 01:06:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2022-04-05 01:06:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1344 [2022-04-05 01:06:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1353 [2022-04-05 01:06:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1360 [2022-04-05 01:06:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1370 [2022-04-05 01:06:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1379 [2022-04-05 01:06:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1388 [2022-04-05 01:06:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1397 [2022-04-05 01:06:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1406 [2022-04-05 01:06:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1415 [2022-04-05 01:06:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1424 [2022-04-05 01:06:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1433 [2022-04-05 01:06:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1442 [2022-04-05 01:06:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1451 [2022-04-05 01:06:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1460 [2022-04-05 01:06:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1469 [2022-04-05 01:06:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1478 [2022-04-05 01:06:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1487 [2022-04-05 01:06:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1496 [2022-04-05 01:06:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1505 [2022-04-05 01:06:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1514 [2022-04-05 01:06:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1523 [2022-04-05 01:06:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2022-04-05 01:06:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1540 [2022-04-05 01:06:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1549 [2022-04-05 01:06:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1558 [2022-04-05 01:06:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1567 [2022-04-05 01:06:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1576 [2022-04-05 01:06:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1585 [2022-04-05 01:06:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1594 [2022-04-05 01:06:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1603 [2022-04-05 01:06:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1612 [2022-04-05 01:06:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1621 [2022-04-05 01:06:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1630 [2022-04-05 01:06:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1639 [2022-04-05 01:06:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1648 [2022-04-05 01:06:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1657 [2022-04-05 01:06:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1666 [2022-04-05 01:06:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1675 [2022-04-05 01:06:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1684 [2022-04-05 01:06:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1693 [2022-04-05 01:06:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1700 [2022-04-05 01:06:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:04,339 INFO L134 CoverageAnalysis]: Checked inductivity of 187140 backedges. 21135 proven. 1089 refuted. 0 times theorem prover too weak. 164916 trivial. 0 not checked. [2022-04-05 01:06:04,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 01:06:04,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174859633] [2022-04-05 01:06:04,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174859633] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 01:06:04,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686408147] [2022-04-05 01:06:04,340 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-05 01:06:04,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 01:06:04,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 01:06:04,341 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) [2022-04-05 01:06:04,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-05 01:06:06,951 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-05 01:06:06,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-05 01:06:06,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 3087 conjuncts, 39 conjunts are in the unsatisfiable core [2022-04-05 01:06:06,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 01:06:08,913 INFO L134 CoverageAnalysis]: Checked inductivity of 187140 backedges. 101955 proven. 1089 refuted. 0 times theorem prover too weak. 84096 trivial. 0 not checked. [2022-04-05 01:06:08,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 01:06:11,453 INFO L134 CoverageAnalysis]: Checked inductivity of 187140 backedges. 67305 proven. 1089 refuted. 0 times theorem prover too weak. 118746 trivial. 0 not checked. [2022-04-05 01:06:11,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686408147] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 01:06:11,453 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 01:06:11,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 42 [2022-04-05 01:06:11,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677399664] [2022-04-05 01:06:11,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 01:06:11,455 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-04-05 01:06:11,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 01:06:11,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-04-05 01:06:11,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=1242, Unknown=0, NotChecked=0, Total=1722 [2022-04-05 01:06:11,456 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) [2022-04-05 01:06:48,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 01:06:48,027 INFO L93 Difference]: Finished difference Result 1960 states and 2738 transitions. [2022-04-05 01:06:48,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-04-05 01:06:48,028 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 [2022-04-05 01:06:48,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 01:06:48,035 INFO L225 Difference]: With dead ends: 1960 [2022-04-05 01:06:48,035 INFO L226 Difference]: Without dead ends: 1960 [2022-04-05 01:06:48,036 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 3863 GetRequests, 3784 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 35.9s TimeCoverageRelationStatistics Valid=1715, Invalid=4605, Unknown=0, NotChecked=0, Total=6320 [2022-04-05 01:06:48,036 INFO L913 BasicCegarLoop]: 74 mSDtfsCounter, 300 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 2723 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 2967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 2723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-04-05 01:06:48,037 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [301 Valid, 171 Invalid, 2967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 2723 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-04-05 01:06:48,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1960 states. [2022-04-05 01:06:48,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1960 to 1960. [2022-04-05 01:06:48,063 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) [2022-04-05 01:06:48,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1960 states and 2738 transitions. [2022-04-05 01:06:48,070 INFO L78 Accepts]: Start accepts. Automaton has 1960 states and 2738 transitions. Word has length 1711 [2022-04-05 01:06:48,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 01:06:48,071 INFO L478 AbstractCegarLoop]: Abstraction has 1960 states and 2738 transitions. [2022-04-05 01:06:48,071 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) [2022-04-05 01:06:48,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2738 transitions. [2022-04-05 01:06:48,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3512 [2022-04-05 01:06:48,138 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 01:06:48,139 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] [2022-04-05 01:06:48,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-05 01:06:48,349 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 [2022-04-05 01:06:48,349 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 01:06:48,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 01:06:48,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1567356367, now seen corresponding path program 5 times [2022-04-05 01:06:48,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 01:06:48,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495725838] [2022-04-05 01:06:48,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 01:06:48,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 01:06:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 01:06:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-05 01:06:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-04-05 01:06:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-04-05 01:06:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-04-05 01:06:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-04-05 01:06:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-04-05 01:06:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-04-05 01:06:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-04-05 01:06:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-04-05 01:06:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-04-05 01:06:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-04-05 01:06:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-04-05 01:06:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-04-05 01:06:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-04-05 01:06:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-04-05 01:06:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-04-05 01:06:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-04-05 01:06:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-04-05 01:06:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-04-05 01:06:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-04-05 01:06:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-04-05 01:06:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-04-05 01:06:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-04-05 01:06:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-04-05 01:06:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-04-05 01:06:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-04-05 01:06:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-04-05 01:06:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-04-05 01:06:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-04-05 01:06:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-04-05 01:06:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-04-05 01:06:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-04-05 01:06:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-04-05 01:06:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-04-05 01:06:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-04-05 01:06:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-04-05 01:06:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-04-05 01:06:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-04-05 01:06:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-04-05 01:06:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-04-05 01:06:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-04-05 01:06:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-04-05 01:06:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-04-05 01:06:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-04-05 01:06:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-04-05 01:06:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-04-05 01:06:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-04-05 01:06:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-04-05 01:06:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-04-05 01:06:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-04-05 01:06:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-04-05 01:06:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-04-05 01:06:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-04-05 01:06:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-04-05 01:06:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-04-05 01:06:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-04-05 01:06:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-04-05 01:06:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-04-05 01:06:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-04-05 01:06:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-04-05 01:06:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2022-04-05 01:06:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2022-04-05 01:06:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2022-04-05 01:06:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-04-05 01:06:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-04-05 01:06:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2022-04-05 01:06:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2022-04-05 01:06:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-04-05 01:06:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2022-04-05 01:06:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2022-04-05 01:06:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2022-04-05 01:06:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2022-04-05 01:06:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2022-04-05 01:06:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2022-04-05 01:06:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2022-04-05 01:06:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 684 [2022-04-05 01:06:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2022-04-05 01:06:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-04-05 01:06:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-04-05 01:06:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2022-04-05 01:06:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 728 [2022-04-05 01:06:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2022-04-05 01:06:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2022-04-05 01:06:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2022-04-05 01:06:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 764 [2022-04-05 01:06:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2022-04-05 01:06:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 782 [2022-04-05 01:06:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2022-04-05 01:06:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-04-05 01:06:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2022-04-05 01:06:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 818 [2022-04-05 01:06:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2022-04-05 01:06:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2022-04-05 01:06:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2022-04-05 01:06:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2022-04-05 01:06:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2022-04-05 01:06:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 872 [2022-04-05 01:06:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2022-04-05 01:06:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 890 [2022-04-05 01:06:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2022-04-05 01:06:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 908 [2022-04-05 01:06:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2022-04-05 01:06:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2022-04-05 01:06:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 935 [2022-04-05 01:06:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2022-04-05 01:06:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 953 [2022-04-05 01:06:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2022-04-05 01:06:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 971 [2022-04-05 01:06:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2022-04-05 01:06:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2022-04-05 01:06:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2022-04-05 01:06:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1007 [2022-04-05 01:06:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2022-04-05 01:06:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1025 [2022-04-05 01:06:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2022-04-05 01:06:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1043 [2022-04-05 01:06:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1050 [2022-04-05 01:06:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-04-05 01:06:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-04-05 01:06:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-04-05 01:06:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-04-05 01:06:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-04-05 01:06:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-04-05 01:06:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-04-05 01:06:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-04-05 01:06:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2022-04-05 01:06:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2022-04-05 01:06:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2022-04-05 01:06:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2022-04-05 01:06:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2022-04-05 01:06:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2022-04-05 01:06:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2022-04-05 01:06:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2022-04-05 01:06:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2022-04-05 01:06:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1213 [2022-04-05 01:06:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2022-04-05 01:06:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2022-04-05 01:06:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1240 [2022-04-05 01:06:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1249 [2022-04-05 01:06:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1258 [2022-04-05 01:06:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2022-04-05 01:06:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2022-04-05 01:06:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1285 [2022-04-05 01:06:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1294 [2022-04-05 01:06:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1303 [2022-04-05 01:06:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1312 [2022-04-05 01:06:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1321 [2022-04-05 01:06:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2022-04-05 01:06:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1339 [2022-04-05 01:06:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1348 [2022-04-05 01:06:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1357 [2022-04-05 01:06:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1366 [2022-04-05 01:06:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2022-04-05 01:06:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1384 [2022-04-05 01:06:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1393 [2022-04-05 01:06:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1400 [2022-04-05 01:06:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2022-04-05 01:06:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1419 [2022-04-05 01:06:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1428 [2022-04-05 01:06:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1437 [2022-04-05 01:06:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1446 [2022-04-05 01:06:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2022-04-05 01:06:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1464 [2022-04-05 01:06:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1473 [2022-04-05 01:06:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1482 [2022-04-05 01:06:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1491 [2022-04-05 01:06:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2022-04-05 01:06:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1509 [2022-04-05 01:06:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1518 [2022-04-05 01:06:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1527 [2022-04-05 01:06:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1536 [2022-04-05 01:06:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2022-04-05 01:06:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1554 [2022-04-05 01:06:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1563 [2022-04-05 01:06:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1572 [2022-04-05 01:06:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1581 [2022-04-05 01:06:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1590 [2022-04-05 01:06:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1599 [2022-04-05 01:06:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1608 [2022-04-05 01:06:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1617 [2022-04-05 01:06:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1626 [2022-04-05 01:06:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1635 [2022-04-05 01:06:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1644 [2022-04-05 01:06:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1653 [2022-04-05 01:06:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2022-04-05 01:06:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1671 [2022-04-05 01:06:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1680 [2022-04-05 01:06:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1689 [2022-04-05 01:06:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1698 [2022-04-05 01:06:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1707 [2022-04-05 01:06:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1716 [2022-04-05 01:06:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1725 [2022-04-05 01:06:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1734 [2022-04-05 01:06:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1743 [2022-04-05 01:06:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1750 [2022-04-05 01:06:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1760 [2022-04-05 01:06:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1769 [2022-04-05 01:06:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1778 [2022-04-05 01:06:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1787 [2022-04-05 01:06:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1796 [2022-04-05 01:06:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1805 [2022-04-05 01:06:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1814 [2022-04-05 01:06:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1823 [2022-04-05 01:06:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1832 [2022-04-05 01:06:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1841 [2022-04-05 01:06:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1850 [2022-04-05 01:06:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1859 [2022-04-05 01:06:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1868 [2022-04-05 01:06:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1877 [2022-04-05 01:06:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1886 [2022-04-05 01:06:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1895 [2022-04-05 01:06:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1904 [2022-04-05 01:06:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:52,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1913 [2022-04-05 01:06:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1922 [2022-04-05 01:06:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931 [2022-04-05 01:06:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1940 [2022-04-05 01:06:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949 [2022-04-05 01:06:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1958 [2022-04-05 01:06:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967 [2022-04-05 01:06:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1976 [2022-04-05 01:06:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1985 [2022-04-05 01:06:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1994 [2022-04-05 01:06:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003 [2022-04-05 01:06:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2012 [2022-04-05 01:06:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2021 [2022-04-05 01:06:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2030 [2022-04-05 01:06:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2039 [2022-04-05 01:06:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2048 [2022-04-05 01:06:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2057 [2022-04-05 01:06:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2066 [2022-04-05 01:06:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2075 [2022-04-05 01:06:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2084 [2022-04-05 01:06:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2093 [2022-04-05 01:06:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2100 [2022-04-05 01:06:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2110 [2022-04-05 01:06:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2119 [2022-04-05 01:06:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2128 [2022-04-05 01:06:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2137 [2022-04-05 01:06:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2146 [2022-04-05 01:06:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2155 [2022-04-05 01:06:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2164 [2022-04-05 01:06:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2173 [2022-04-05 01:06:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2182 [2022-04-05 01:06:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2191 [2022-04-05 01:06:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2200 [2022-04-05 01:06:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2209 [2022-04-05 01:06:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2218 [2022-04-05 01:06:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2227 [2022-04-05 01:06:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2236 [2022-04-05 01:06:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2245 [2022-04-05 01:06:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2254 [2022-04-05 01:06:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2263 [2022-04-05 01:06:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2272 [2022-04-05 01:06:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2281 [2022-04-05 01:06:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2290 [2022-04-05 01:06:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2299 [2022-04-05 01:06:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2308 [2022-04-05 01:06:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2317 [2022-04-05 01:06:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2326 [2022-04-05 01:06:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2335 [2022-04-05 01:06:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2344 [2022-04-05 01:06:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2353 [2022-04-05 01:06:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2362 [2022-04-05 01:06:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2371 [2022-04-05 01:06:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2380 [2022-04-05 01:06:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2389 [2022-04-05 01:06:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2398 [2022-04-05 01:06:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2407 [2022-04-05 01:06:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2416 [2022-04-05 01:06:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2425 [2022-04-05 01:06:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2434 [2022-04-05 01:06:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2443 [2022-04-05 01:06:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2450 [2022-04-05 01:06:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2460 [2022-04-05 01:06:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2469 [2022-04-05 01:06:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2478 [2022-04-05 01:06:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2487 [2022-04-05 01:06:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2496 [2022-04-05 01:06:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2505 [2022-04-05 01:06:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2514 [2022-04-05 01:06:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2523 [2022-04-05 01:06:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2532 [2022-04-05 01:06:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2541 [2022-04-05 01:06:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2550 [2022-04-05 01:06:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2559 [2022-04-05 01:06:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2568 [2022-04-05 01:06:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2577 [2022-04-05 01:06:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2586 [2022-04-05 01:06:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2595 [2022-04-05 01:06:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2604 [2022-04-05 01:06:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2613 [2022-04-05 01:06:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2622 [2022-04-05 01:06:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2631 [2022-04-05 01:06:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2640 [2022-04-05 01:06:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2649 [2022-04-05 01:06:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2658 [2022-04-05 01:06:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2667 [2022-04-05 01:06:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2676 [2022-04-05 01:06:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2685 [2022-04-05 01:06:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2694 [2022-04-05 01:06:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2703 [2022-04-05 01:06:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2712 [2022-04-05 01:06:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2721 [2022-04-05 01:06:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2730 [2022-04-05 01:06:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2739 [2022-04-05 01:06:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2748 [2022-04-05 01:06:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2757 [2022-04-05 01:06:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2766 [2022-04-05 01:06:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2775 [2022-04-05 01:06:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2784 [2022-04-05 01:06:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2793 [2022-04-05 01:06:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2800 [2022-04-05 01:06:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2810 [2022-04-05 01:06:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2819 [2022-04-05 01:06:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2828 [2022-04-05 01:06:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2837 [2022-04-05 01:06:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2846 [2022-04-05 01:06:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2855 [2022-04-05 01:06:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2864 [2022-04-05 01:06:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2873 [2022-04-05 01:06:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2882 [2022-04-05 01:06:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2891 [2022-04-05 01:06:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2900 [2022-04-05 01:06:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2909 [2022-04-05 01:06:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2918 [2022-04-05 01:06:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2927 [2022-04-05 01:06:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2936 [2022-04-05 01:06:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2945 [2022-04-05 01:06:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2954 [2022-04-05 01:06:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2963 [2022-04-05 01:06:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2972 [2022-04-05 01:06:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2981 [2022-04-05 01:06:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2990 [2022-04-05 01:06:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2999 [2022-04-05 01:06:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3008 [2022-04-05 01:06:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3017 [2022-04-05 01:06:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3026 [2022-04-05 01:06:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3035 [2022-04-05 01:06:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3044 [2022-04-05 01:06:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3053 [2022-04-05 01:06:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3062 [2022-04-05 01:06:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3071 [2022-04-05 01:06:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3080 [2022-04-05 01:06:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3089 [2022-04-05 01:06:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3098 [2022-04-05 01:06:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3107 [2022-04-05 01:06:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3116 [2022-04-05 01:06:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3125 [2022-04-05 01:06:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3134 [2022-04-05 01:06:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3143 [2022-04-05 01:06:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3150 [2022-04-05 01:06:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3160 [2022-04-05 01:06:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3169 [2022-04-05 01:06:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3178 [2022-04-05 01:06:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3187 [2022-04-05 01:06:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3196 [2022-04-05 01:06:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3205 [2022-04-05 01:06:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3214 [2022-04-05 01:06:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3223 [2022-04-05 01:06:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3232 [2022-04-05 01:06:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3241 [2022-04-05 01:06:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3250 [2022-04-05 01:06:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3259 [2022-04-05 01:06:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3268 [2022-04-05 01:06:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3277 [2022-04-05 01:06:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3286 [2022-04-05 01:06:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3295 [2022-04-05 01:06:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3304 [2022-04-05 01:06:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3313 [2022-04-05 01:06:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3322 [2022-04-05 01:06:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3331 [2022-04-05 01:06:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3340 [2022-04-05 01:06:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2022-04-05 01:06:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3358 [2022-04-05 01:06:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3367 [2022-04-05 01:06:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3376 [2022-04-05 01:06:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3385 [2022-04-05 01:06:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3394 [2022-04-05 01:06:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3403 [2022-04-05 01:06:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3412 [2022-04-05 01:06:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3421 [2022-04-05 01:06:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3430 [2022-04-05 01:06:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3439 [2022-04-05 01:06:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3448 [2022-04-05 01:06:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3457 [2022-04-05 01:06:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3466 [2022-04-05 01:06:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3475 [2022-04-05 01:06:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3484 [2022-04-05 01:06:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3493 [2022-04-05 01:06:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3500 [2022-04-05 01:06:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 01:06:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 812640 backedges. 92455 proven. 4959 refuted. 0 times theorem prover too weak. 715226 trivial. 0 not checked. [2022-04-05 01:06:53,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 01:06:53,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495725838] [2022-04-05 01:06:53,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495725838] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 01:06:53,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702925167] [2022-04-05 01:06:53,340 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-04-05 01:06:53,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 01:06:53,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 01:06:53,356 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) [2022-04-05 01:06:53,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process