/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-05ce600 [2022-02-23 16:43:23,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-23 16:43:23,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-23 16:43:23,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-23 16:43:23,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-23 16:43:23,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-23 16:43:23,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-23 16:43:23,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-23 16:43:23,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-23 16:43:23,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-23 16:43:23,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-23 16:43:23,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-23 16:43:23,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-23 16:43:23,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-23 16:43:23,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-23 16:43:23,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-23 16:43:23,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-23 16:43:23,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-23 16:43:23,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-23 16:43:23,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-23 16:43:23,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-23 16:43:23,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-23 16:43:23,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-23 16:43:23,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-23 16:43:23,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-23 16:43:23,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-23 16:43:23,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-23 16:43:23,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-23 16:43:23,353 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-02-23 16:43:23,368 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-23 16:43:23,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-23 16:43:23,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-23 16:43:23,370 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-23 16:43:23,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-23 16:43:23,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-23 16:43:23,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-23 16:43:23,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-23 16:43:23,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-23 16:43:23,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-23 16:43:23,372 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-23 16:43:23,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-23 16:43:23,373 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-23 16:43:23,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-23 16:43:23,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-23 16:43:23,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-23 16:43:23,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-23 16:43:23,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-23 16:43:23,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-23 16:43:23,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-23 16:43:23,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-23 16:43:23,375 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-23 16:43:23,375 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-23 16:43:23,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-23 16:43:23,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-23 16:43:23,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-23 16:43:23,644 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-23 16:43:23,646 INFO L275 PluginConnector]: CDTParser initialized [2022-02-23 16:43:23,648 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested3-1.c [2022-02-23 16:43:23,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d533dddda/130d0693771f40d494ffe520e22c9d6f/FLAG5ac3ef31d [2022-02-23 16:43:24,098 INFO L306 CDTParser]: Found 1 translation units. [2022-02-23 16:43:24,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-1.c [2022-02-23 16:43:24,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d533dddda/130d0693771f40d494ffe520e22c9d6f/FLAG5ac3ef31d [2022-02-23 16:43:24,115 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d533dddda/130d0693771f40d494ffe520e22c9d6f [2022-02-23 16:43:24,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-23 16:43:24,118 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-23 16:43:24,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-23 16:43:24,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-23 16:43:24,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-23 16:43:24,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 04:43:24" (1/1) ... [2022-02-23 16:43:24,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d45977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:43:24, skipping insertion in model container [2022-02-23 16:43:24,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 04:43:24" (1/1) ... [2022-02-23 16:43:24,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-23 16:43:24,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-23 16:43:24,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-1.c[321,334] [2022-02-23 16:43:24,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-23 16:43:24,340 INFO L203 MainTranslator]: Completed pre-run [2022-02-23 16:43:24,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-1.c[321,334] [2022-02-23 16:43:24,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-23 16:43:24,383 INFO L208 MainTranslator]: Completed translation [2022-02-23 16:43:24,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:43:24 WrapperNode [2022-02-23 16:43:24,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-23 16:43:24,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-23 16:43:24,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-23 16:43:24,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-23 16:43:24,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:43:24" (1/1) ... [2022-02-23 16:43:24,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:43:24" (1/1) ... [2022-02-23 16:43:24,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:43:24" (1/1) ... [2022-02-23 16:43:24,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:43:24" (1/1) ... [2022-02-23 16:43:24,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:43:24" (1/1) ... [2022-02-23 16:43:24,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:43:24" (1/1) ... [2022-02-23 16:43:24,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:43:24" (1/1) ... [2022-02-23 16:43:24,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-23 16:43:24,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-23 16:43:24,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-23 16:43:24,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-23 16:43:24,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:43:24" (1/1) ... [2022-02-23 16:43:24,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-23 16:43:24,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 16:43:24,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-23 16:43:24,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-23 16:43:24,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-23 16:43:24,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-23 16:43:24,503 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-23 16:43:24,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-23 16:43:24,503 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-23 16:43:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-23 16:43:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-23 16:43:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-23 16:43:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-23 16:43:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-23 16:43:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-23 16:43:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-23 16:43:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-23 16:43:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-23 16:43:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-23 16:43:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-23 16:43:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-23 16:43:24,554 INFO L234 CfgBuilder]: Building ICFG [2022-02-23 16:43:24,555 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-23 16:43:24,652 INFO L275 CfgBuilder]: Performing block encoding [2022-02-23 16:43:24,657 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-23 16:43:24,657 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-23 16:43:24,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 04:43:24 BoogieIcfgContainer [2022-02-23 16:43:24,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-23 16:43:24,660 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-23 16:43:24,660 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-23 16:43:24,661 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-23 16:43:24,664 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 04:43:24" (1/1) ... [2022-02-23 16:43:24,882 INFO L89 elerationTransformer]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-02-23 16:43:24,883 INFO L91 elerationTransformer]: Accelerated Formula: (and (< (mod v_main_~z~0_3 4294967296) 268435455) (= (+ v_main_~z~0_3 1) v_main_~z~0_2)) InVars {main_~z~0=v_main_~z~0_3} OutVars{main_~z~0=v_main_~z~0_2, main_#t~post4=|v_main_#t~post4_1|} AuxVars[] AssignedVars[main_~z~0, main_#t~post4] to Formula: (let ((.cse0 (mod v_main_~z~0_3 4294967296))) (or (and (= v_main_~z~0_3 v_main_~z~0_2) (= |v_main_#t~post4_3| |v_main_#t~post4_1|) (<= 268435455 .cse0)) (and (<= (div (+ (* (- 1) v_main_~z~0_2) 268435455) (- 4294967296)) (+ (div (+ v_main_~z~0_3 (- 4294967295)) 4294967296) 1)) (< .cse0 268435455) (< v_main_~z~0_3 v_main_~z~0_2)))) InVars {main_#t~post4=|v_main_#t~post4_3|, main_~z~0=v_main_~z~0_3} OutVars{main_#t~post4=|v_main_#t~post4_1|, main_~z~0=v_main_~z~0_2} AuxVars[] AssignedVars[main_~z~0, main_#t~post4] [2022-02-23 16:43:24,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.02 04:43:24 BasicIcfg [2022-02-23 16:43:24,907 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-02-23 16:43:24,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-23 16:43:24,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-23 16:43:24,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-23 16:43:24,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 04:43:24" (1/4) ... [2022-02-23 16:43:24,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2804b772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 04:43:24, skipping insertion in model container [2022-02-23 16:43:24,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:43:24" (2/4) ... [2022-02-23 16:43:24,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2804b772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 04:43:24, skipping insertion in model container [2022-02-23 16:43:24,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 04:43:24" (3/4) ... [2022-02-23 16:43:24,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2804b772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 04:43:24, skipping insertion in model container [2022-02-23 16:43:24,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.02 04:43:24" (4/4) ... [2022-02-23 16:43:24,919 INFO L111 eAbstractionObserver]: Analyzing ICFG nested3-1.cJordan [2022-02-23 16:43:24,924 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-02-23 16:43:24,924 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-23 16:43:24,973 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-23 16:43:24,981 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-23 16:43:24,981 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-23 16:43:24,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-23 16:43:25,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-02-23 16:43:25,003 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 16:43:25,004 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 16:43:25,004 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 16:43:25,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 16:43:25,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1301415802, now seen corresponding path program 1 times [2022-02-23 16:43:25,021 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 16:43:25,022 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104480119] [2022-02-23 16:43:25,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 16:43:25,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 16:43:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:25,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 16:43:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:25,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-23 16:43:25,197 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 16:43:25,197 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104480119] [2022-02-23 16:43:25,198 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104480119] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 16:43:25,198 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 16:43:25,198 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-23 16:43:25,199 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705757930] [2022-02-23 16:43:25,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 16:43:25,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-23 16:43:25,207 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 16:43:25,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-23 16:43:25,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-23 16:43:25,242 INFO L87 Difference]: Start difference. First operand has 25 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 16:43:25,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 16:43:25,298 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-02-23 16:43:25,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-23 16:43:25,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-02-23 16:43:25,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 16:43:25,312 INFO L225 Difference]: With dead ends: 25 [2022-02-23 16:43:25,312 INFO L226 Difference]: Without dead ends: 20 [2022-02-23 16:43:25,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-23 16:43:25,320 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 16 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-23 16:43:25,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 29 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-23 16:43:25,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-02-23 16:43:25,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-02-23 16:43:25,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-23 16:43:25,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2022-02-23 16:43:25,353 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 11 [2022-02-23 16:43:25,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 16:43:25,353 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-02-23 16:43:25,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 16:43:25,354 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-02-23 16:43:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-02-23 16:43:25,355 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 16:43:25,355 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 16:43:25,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-23 16:43:25,356 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 16:43:25,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 16:43:25,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1302339323, now seen corresponding path program 1 times [2022-02-23 16:43:25,358 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 16:43:25,359 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458865927] [2022-02-23 16:43:25,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 16:43:25,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 16:43:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:25,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 16:43:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:25,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-23 16:43:25,499 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 16:43:25,499 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458865927] [2022-02-23 16:43:25,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458865927] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 16:43:25,500 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 16:43:25,500 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 16:43:25,500 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730315241] [2022-02-23 16:43:25,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 16:43:25,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 16:43:25,502 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 16:43:25,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 16:43:25,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 16:43:25,506 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 16:43:25,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 16:43:25,596 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2022-02-23 16:43:25,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 16:43:25,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-02-23 16:43:25,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 16:43:25,598 INFO L225 Difference]: With dead ends: 27 [2022-02-23 16:43:25,598 INFO L226 Difference]: Without dead ends: 27 [2022-02-23 16:43:25,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 16:43:25,600 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 26 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-02-23 16:43:25,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 27 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 16:43:25,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-02-23 16:43:25,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2022-02-23 16:43:25,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-23 16:43:25,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2022-02-23 16:43:25,605 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 11 [2022-02-23 16:43:25,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 16:43:25,606 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-02-23 16:43:25,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 16:43:25,606 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-02-23 16:43:25,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-23 16:43:25,607 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 16:43:25,607 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 16:43:25,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-23 16:43:25,611 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 16:43:25,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 16:43:25,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1748313539, now seen corresponding path program 1 times [2022-02-23 16:43:25,612 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 16:43:25,612 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972125043] [2022-02-23 16:43:25,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 16:43:25,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 16:43:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:25,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 16:43:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:25,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-23 16:43:25,668 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 16:43:25,669 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972125043] [2022-02-23 16:43:25,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972125043] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 16:43:25,669 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 16:43:25,669 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 16:43:25,669 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869743120] [2022-02-23 16:43:25,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 16:43:25,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 16:43:25,670 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 16:43:25,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 16:43:25,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 16:43:25,671 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 16:43:25,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 16:43:25,755 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2022-02-23 16:43:25,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 16:43:25,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-02-23 16:43:25,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 16:43:25,758 INFO L225 Difference]: With dead ends: 25 [2022-02-23 16:43:25,758 INFO L226 Difference]: Without dead ends: 25 [2022-02-23 16:43:25,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 16:43:25,766 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 21 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-02-23 16:43:25,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 27 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 16:43:25,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-02-23 16:43:25,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2022-02-23 16:43:25,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-23 16:43:25,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-02-23 16:43:25,778 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 12 [2022-02-23 16:43:25,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 16:43:25,778 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-02-23 16:43:25,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 16:43:25,778 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-02-23 16:43:25,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-02-23 16:43:25,779 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 16:43:25,779 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 16:43:25,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-23 16:43:25,780 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 16:43:25,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 16:43:25,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1606116621, now seen corresponding path program 1 times [2022-02-23 16:43:25,780 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 16:43:25,781 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362306825] [2022-02-23 16:43:25,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 16:43:25,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 16:43:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:25,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 16:43:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:25,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-23 16:43:25,854 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 16:43:25,854 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362306825] [2022-02-23 16:43:25,854 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362306825] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 16:43:25,855 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 16:43:25,855 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 16:43:25,855 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043383812] [2022-02-23 16:43:25,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 16:43:25,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 16:43:25,855 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 16:43:25,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 16:43:25,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 16:43:25,856 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 16:43:25,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 16:43:25,911 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2022-02-23 16:43:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 16:43:25,912 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-02-23 16:43:25,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 16:43:25,913 INFO L225 Difference]: With dead ends: 24 [2022-02-23 16:43:25,914 INFO L226 Difference]: Without dead ends: 24 [2022-02-23 16:43:25,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 16:43:25,916 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-23 16:43:25,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 28 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-23 16:43:25,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-02-23 16:43:25,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-02-23 16:43:25,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-23 16:43:25,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-02-23 16:43:25,919 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 13 [2022-02-23 16:43:25,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 16:43:25,920 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-02-23 16:43:25,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 16:43:25,920 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-02-23 16:43:25,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-02-23 16:43:25,920 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 16:43:25,921 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 16:43:25,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-23 16:43:25,921 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 16:43:25,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 16:43:25,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1773342651, now seen corresponding path program 1 times [2022-02-23 16:43:25,922 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 16:43:25,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112472921] [2022-02-23 16:43:25,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 16:43:25,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 16:43:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:26,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 16:43:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-23 16:43:26,234 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 16:43:26,234 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112472921] [2022-02-23 16:43:26,234 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112472921] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 16:43:26,235 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759973469] [2022-02-23 16:43:26,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 16:43:26,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 16:43:26,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 16:43:26,237 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 16:43:26,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-23 16:43:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:26,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-23 16:43:26,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 16:43:26,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-23 16:43:26,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 16:43:26,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-23 16:43:26,692 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759973469] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-23 16:43:26,692 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-23 16:43:26,692 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8] total 16 [2022-02-23 16:43:26,693 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813378034] [2022-02-23 16:43:26,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 16:43:26,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-23 16:43:26,693 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 16:43:26,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-23 16:43:26,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-02-23 16:43:26,694 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 16:43:26,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 16:43:26,741 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2022-02-23 16:43:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-23 16:43:26,741 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-02-23 16:43:26,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 16:43:26,743 INFO L225 Difference]: With dead ends: 28 [2022-02-23 16:43:26,743 INFO L226 Difference]: Without dead ends: 28 [2022-02-23 16:43:26,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-02-23 16:43:26,744 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-23 16:43:26,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 71 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-23 16:43:26,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-02-23 16:43:26,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-02-23 16:43:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-23 16:43:26,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-02-23 16:43:26,753 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 14 [2022-02-23 16:43:26,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 16:43:26,753 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-02-23 16:43:26,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 16:43:26,753 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-02-23 16:43:26,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-23 16:43:26,754 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 16:43:26,754 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 16:43:26,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-23 16:43:26,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 16:43:26,960 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 16:43:26,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 16:43:26,961 INFO L85 PathProgramCache]: Analyzing trace with hash 259423101, now seen corresponding path program 1 times [2022-02-23 16:43:26,961 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 16:43:26,961 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750516067] [2022-02-23 16:43:26,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 16:43:26,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 16:43:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:27,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 16:43:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:27,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-23 16:43:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:27,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-23 16:43:27,060 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 16:43:27,060 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750516067] [2022-02-23 16:43:27,060 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750516067] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 16:43:27,060 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217078805] [2022-02-23 16:43:27,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 16:43:27,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 16:43:27,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 16:43:27,062 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 16:43:27,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-23 16:43:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:27,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-23 16:43:27,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 16:43:27,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-23 16:43:27,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 16:43:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-23 16:43:27,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217078805] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-23 16:43:27,267 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-23 16:43:27,267 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 12 [2022-02-23 16:43:27,267 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032672810] [2022-02-23 16:43:27,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-23 16:43:27,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-23 16:43:27,267 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 16:43:27,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-23 16:43:27,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-02-23 16:43:27,268 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 9 states have internal predecessors, (28), 6 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-23 16:43:27,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 16:43:27,505 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2022-02-23 16:43:27,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-23 16:43:27,506 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 9 states have internal predecessors, (28), 6 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 21 [2022-02-23 16:43:27,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 16:43:27,507 INFO L225 Difference]: With dead ends: 49 [2022-02-23 16:43:27,507 INFO L226 Difference]: Without dead ends: 49 [2022-02-23 16:43:27,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2022-02-23 16:43:27,508 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 50 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-23 16:43:27,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 60 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-23 16:43:27,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-02-23 16:43:27,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 42. [2022-02-23 16:43:27,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 31 states have internal predecessors, (36), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-23 16:43:27,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2022-02-23 16:43:27,513 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 21 [2022-02-23 16:43:27,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 16:43:27,513 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2022-02-23 16:43:27,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 9 states have internal predecessors, (28), 6 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-23 16:43:27,514 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-02-23 16:43:27,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-23 16:43:27,515 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 16:43:27,515 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 16:43:27,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-23 16:43:27,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-02-23 16:43:27,736 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 16:43:27,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 16:43:27,736 INFO L85 PathProgramCache]: Analyzing trace with hash -515836157, now seen corresponding path program 2 times [2022-02-23 16:43:27,736 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 16:43:27,736 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793213905] [2022-02-23 16:43:27,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 16:43:27,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 16:43:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:27,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 16:43:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:27,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-23 16:43:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:27,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-23 16:43:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:27,845 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-23 16:43:27,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 16:43:27,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793213905] [2022-02-23 16:43:27,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793213905] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 16:43:27,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706165279] [2022-02-23 16:43:27,846 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-23 16:43:27,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 16:43:27,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 16:43:27,848 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 16:43:27,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-23 16:43:27,891 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-23 16:43:27,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-23 16:43:27,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-23 16:43:27,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 16:43:27,988 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-23 16:43:27,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 16:43:28,093 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-23 16:43:28,093 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706165279] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-23 16:43:28,093 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-23 16:43:28,093 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2022-02-23 16:43:28,094 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011942623] [2022-02-23 16:43:28,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-23 16:43:28,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-23 16:43:28,094 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 16:43:28,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-23 16:43:28,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-02-23 16:43:28,095 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-23 16:43:28,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 16:43:28,312 INFO L93 Difference]: Finished difference Result 62 states and 78 transitions. [2022-02-23 16:43:28,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-23 16:43:28,317 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 30 [2022-02-23 16:43:28,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 16:43:28,319 INFO L225 Difference]: With dead ends: 62 [2022-02-23 16:43:28,319 INFO L226 Difference]: Without dead ends: 62 [2022-02-23 16:43:28,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-02-23 16:43:28,320 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 60 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 16:43:28,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 43 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 16:43:28,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-02-23 16:43:28,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-02-23 16:43:28,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 47 states have internal predecessors, (56), 12 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-02-23 16:43:28,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2022-02-23 16:43:28,326 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 30 [2022-02-23 16:43:28,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 16:43:28,326 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-02-23 16:43:28,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-23 16:43:28,326 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2022-02-23 16:43:28,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-23 16:43:28,328 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 16:43:28,328 INFO L514 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 16:43:28,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-23 16:43:28,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 16:43:28,529 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 16:43:28,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 16:43:28,529 INFO L85 PathProgramCache]: Analyzing trace with hash -820041341, now seen corresponding path program 3 times [2022-02-23 16:43:28,529 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 16:43:28,529 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398118346] [2022-02-23 16:43:28,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 16:43:28,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 16:43:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:28,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 16:43:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:28,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-23 16:43:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:28,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-23 16:43:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:28,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-23 16:43:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:28,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-23 16:43:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:28,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-23 16:43:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:28,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-23 16:43:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:28,722 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 12 proven. 111 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-23 16:43:28,722 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 16:43:28,722 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398118346] [2022-02-23 16:43:28,723 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398118346] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 16:43:28,723 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974657308] [2022-02-23 16:43:28,723 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-23 16:43:28,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 16:43:28,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 16:43:28,724 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 16:43:28,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-23 16:43:28,837 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-02-23 16:43:28,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-23 16:43:28,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-23 16:43:28,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 16:43:29,121 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-02-23 16:43:29,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-23 16:43:29,121 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974657308] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 16:43:29,121 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-23 16:43:29,122 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2022-02-23 16:43:29,122 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752645662] [2022-02-23 16:43:29,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 16:43:29,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-23 16:43:29,122 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 16:43:29,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-23 16:43:29,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2022-02-23 16:43:29,123 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-23 16:43:29,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 16:43:29,279 INFO L93 Difference]: Finished difference Result 66 states and 81 transitions. [2022-02-23 16:43:29,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-23 16:43:29,279 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 66 [2022-02-23 16:43:29,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 16:43:29,280 INFO L225 Difference]: With dead ends: 66 [2022-02-23 16:43:29,280 INFO L226 Difference]: Without dead ends: 64 [2022-02-23 16:43:29,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2022-02-23 16:43:29,281 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 13 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 16:43:29,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 104 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 16:43:29,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-02-23 16:43:29,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 54. [2022-02-23 16:43:29,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 10 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-23 16:43:29,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2022-02-23 16:43:29,287 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 66 [2022-02-23 16:43:29,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 16:43:29,287 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2022-02-23 16:43:29,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-23 16:43:29,288 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-02-23 16:43:29,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-02-23 16:43:29,289 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 16:43:29,289 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 16:43:29,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-23 16:43:29,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 16:43:29,494 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 16:43:29,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 16:43:29,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1241135261, now seen corresponding path program 1 times [2022-02-23 16:43:29,495 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 16:43:29,495 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419780717] [2022-02-23 16:43:29,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 16:43:29,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 16:43:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:29,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 16:43:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:29,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-23 16:43:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:29,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-23 16:43:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:29,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-23 16:43:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:29,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-23 16:43:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:29,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-23 16:43:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:29,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-23 16:43:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:29,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-02-23 16:43:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:29,692 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 15 proven. 111 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-02-23 16:43:29,693 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 16:43:29,693 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419780717] [2022-02-23 16:43:29,693 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419780717] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 16:43:29,693 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358766981] [2022-02-23 16:43:29,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 16:43:29,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 16:43:29,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 16:43:29,694 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 16:43:29,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-23 16:43:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:29,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-23 16:43:29,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 16:43:29,956 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 14 proven. 42 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-02-23 16:43:29,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 16:43:30,177 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-02-23 16:43:30,177 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358766981] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-23 16:43:30,177 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-23 16:43:30,177 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 18 [2022-02-23 16:43:30,178 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913550209] [2022-02-23 16:43:30,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-23 16:43:30,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-23 16:43:30,178 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 16:43:30,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-23 16:43:30,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-02-23 16:43:30,179 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand has 18 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 12 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-23 16:43:31,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 16:43:31,418 INFO L93 Difference]: Finished difference Result 192 states and 262 transitions. [2022-02-23 16:43:31,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-23 16:43:31,419 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 12 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) Word has length 73 [2022-02-23 16:43:31,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 16:43:31,421 INFO L225 Difference]: With dead ends: 192 [2022-02-23 16:43:31,421 INFO L226 Difference]: Without dead ends: 192 [2022-02-23 16:43:31,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=520, Invalid=2030, Unknown=0, NotChecked=0, Total=2550 [2022-02-23 16:43:31,423 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 411 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-02-23 16:43:31,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [411 Valid, 80 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-23 16:43:31,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-02-23 16:43:31,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 176. [2022-02-23 16:43:31,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 137 states have (on average 1.2408759124087592) internal successors, (170), 137 states have internal predecessors, (170), 35 states have call successors, (35), 5 states have call predecessors, (35), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-02-23 16:43:31,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 238 transitions. [2022-02-23 16:43:31,437 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 238 transitions. Word has length 73 [2022-02-23 16:43:31,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 16:43:31,438 INFO L470 AbstractCegarLoop]: Abstraction has 176 states and 238 transitions. [2022-02-23 16:43:31,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 12 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-23 16:43:31,438 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 238 transitions. [2022-02-23 16:43:31,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-02-23 16:43:31,441 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 16:43:31,441 INFO L514 BasicCegarLoop]: trace histogram [33, 32, 32, 28, 28, 28, 28, 28, 28, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 16:43:31,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-23 16:43:31,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 16:43:31,676 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 16:43:31,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 16:43:31,676 INFO L85 PathProgramCache]: Analyzing trace with hash 827581691, now seen corresponding path program 2 times [2022-02-23 16:43:31,676 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 16:43:31,677 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704658029] [2022-02-23 16:43:31,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 16:43:31,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 16:43:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:31,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 16:43:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:31,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-23 16:43:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:31,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-23 16:43:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:31,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-23 16:43:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-23 16:43:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-23 16:43:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-23 16:43:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-02-23 16:43:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-02-23 16:43:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-02-23 16:43:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-02-23 16:43:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-02-23 16:43:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-02-23 16:43:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-02-23 16:43:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-02-23 16:43:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-02-23 16:43:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-02-23 16:43:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-02-23 16:43:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-02-23 16:43:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-02-23 16:43:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-02-23 16:43:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-02-23 16:43:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-02-23 16:43:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-02-23 16:43:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-02-23 16:43:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-02-23 16:43:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-02-23 16:43:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-02-23 16:43:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-02-23 16:43:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-02-23 16:43:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-02-23 16:43:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-02-23 16:43:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-02-23 16:43:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:32,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 1142 proven. 154 refuted. 0 times theorem prover too weak. 3566 trivial. 0 not checked. [2022-02-23 16:43:32,121 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 16:43:32,122 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704658029] [2022-02-23 16:43:32,122 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704658029] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 16:43:32,122 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203937285] [2022-02-23 16:43:32,122 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-23 16:43:32,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 16:43:32,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 16:43:32,124 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 16:43:32,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-23 16:43:32,250 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-23 16:43:32,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-23 16:43:32,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-23 16:43:32,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 16:43:32,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 64 proven. 2303 refuted. 0 times theorem prover too weak. 2495 trivial. 0 not checked. [2022-02-23 16:43:32,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 16:43:33,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 151 proven. 2216 refuted. 0 times theorem prover too weak. 2495 trivial. 0 not checked. [2022-02-23 16:43:33,931 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203937285] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-23 16:43:33,931 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-23 16:43:33,931 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 31 [2022-02-23 16:43:33,931 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389907976] [2022-02-23 16:43:33,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-23 16:43:33,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-23 16:43:33,932 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 16:43:33,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-23 16:43:33,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=744, Unknown=0, NotChecked=0, Total=930 [2022-02-23 16:43:33,934 INFO L87 Difference]: Start difference. First operand 176 states and 238 transitions. Second operand has 31 states, 31 states have (on average 4.580645161290323) internal successors, (142), 30 states have internal predecessors, (142), 25 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 25 states have call predecessors, (34), 25 states have call successors, (34) [2022-02-23 16:43:40,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 16:43:40,703 INFO L93 Difference]: Finished difference Result 500 states and 698 transitions. [2022-02-23 16:43:40,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-02-23 16:43:40,704 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 4.580645161290323) internal successors, (142), 30 states have internal predecessors, (142), 25 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 25 states have call predecessors, (34), 25 states have call successors, (34) Word has length 295 [2022-02-23 16:43:40,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 16:43:40,707 INFO L225 Difference]: With dead ends: 500 [2022-02-23 16:43:40,707 INFO L226 Difference]: Without dead ends: 500 [2022-02-23 16:43:40,713 INFO L932 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 [2022-02-23 16:43:40,713 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 1016 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 4112 mSolverCounterSat, 751 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.5s IncrementalHoareTripleChecker+Time [2022-02-23 16:43:40,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1016 Valid, 200 Invalid, 4863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [751 Valid, 4112 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-02-23 16:43:40,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2022-02-23 16:43:40,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 460. [2022-02-23 16:43:40,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 363 states have (on average 1.2506887052341598) internal successors, (454), 363 states have internal predecessors, (454), 93 states have call successors, (93), 5 states have call predecessors, (93), 3 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2022-02-23 16:43:40,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 638 transitions. [2022-02-23 16:43:40,737 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 638 transitions. Word has length 295 [2022-02-23 16:43:40,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 16:43:40,738 INFO L470 AbstractCegarLoop]: Abstraction has 460 states and 638 transitions. [2022-02-23 16:43:40,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.580645161290323) internal successors, (142), 30 states have internal predecessors, (142), 25 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 25 states have call predecessors, (34), 25 states have call successors, (34) [2022-02-23 16:43:40,738 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 638 transitions. [2022-02-23 16:43:40,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2022-02-23 16:43:40,752 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 16:43:40,753 INFO L514 BasicCegarLoop]: trace histogram [91, 90, 90, 80, 80, 80, 80, 80, 80, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 16:43:40,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-23 16:43:40,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 16:43:40,980 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 16:43:40,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 16:43:40,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1825980721, now seen corresponding path program 3 times [2022-02-23 16:43:40,980 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 16:43:40,980 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661042304] [2022-02-23 16:43:40,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 16:43:40,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 16:43:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 16:43:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-23 16:43:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-23 16:43:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-23 16:43:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-23 16:43:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-23 16:43:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-23 16:43:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-02-23 16:43:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-02-23 16:43:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-02-23 16:43:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-02-23 16:43:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-02-23 16:43:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-02-23 16:43:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-02-23 16:43:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-02-23 16:43:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-02-23 16:43:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-02-23 16:43:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-02-23 16:43:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-02-23 16:43:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-02-23 16:43:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-02-23 16:43:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-02-23 16:43:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-02-23 16:43:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-02-23 16:43:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-02-23 16:43:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-02-23 16:43:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-02-23 16:43:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-02-23 16:43:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-02-23 16:43:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-02-23 16:43:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-02-23 16:43:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-02-23 16:43:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-02-23 16:43:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-02-23 16:43:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-02-23 16:43:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-02-23 16:43:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-02-23 16:43:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-02-23 16:43:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-02-23 16:43:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-02-23 16:43:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-02-23 16:43:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-02-23 16:43:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-02-23 16:43:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-02-23 16:43:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-02-23 16:43:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-02-23 16:43:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-02-23 16:43:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-02-23 16:43:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-02-23 16:43:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-02-23 16:43:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-02-23 16:43:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-02-23 16:43:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-02-23 16:43:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-02-23 16:43:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-02-23 16:43:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-02-23 16:43:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-02-23 16:43:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-02-23 16:43:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-02-23 16:43:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-02-23 16:43:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-02-23 16:43:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-02-23 16:43:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-02-23 16:43:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-02-23 16:43:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-02-23 16:43:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-02-23 16:43:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2022-02-23 16:43:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-02-23 16:43:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-02-23 16:43:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2022-02-23 16:43:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2022-02-23 16:43:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2022-02-23 16:43:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2022-02-23 16:43:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2022-02-23 16:43:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-02-23 16:43:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-02-23 16:43:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2022-02-23 16:43:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-02-23 16:43:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2022-02-23 16:43:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2022-02-23 16:43:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2022-02-23 16:43:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2022-02-23 16:43:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 730 [2022-02-23 16:43:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 739 [2022-02-23 16:43:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 748 [2022-02-23 16:43:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:41,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 757 [2022-02-23 16:43:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:42,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 766 [2022-02-23 16:43:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:42,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 775 [2022-02-23 16:43:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:42,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 784 [2022-02-23 16:43:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:42,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 793 [2022-02-23 16:43:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:42,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-02-23 16:43:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4375 proven. 204 refuted. 0 times theorem prover too weak. 34811 trivial. 0 not checked. [2022-02-23 16:43:42,027 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 16:43:42,028 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661042304] [2022-02-23 16:43:42,028 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661042304] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 16:43:42,028 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427215293] [2022-02-23 16:43:42,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-23 16:43:42,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 16:43:42,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 16:43:42,029 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 16:43:42,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-23 16:43:42,798 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2022-02-23 16:43:42,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-23 16:43:42,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-23 16:43:42,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 16:43:44,020 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4747 proven. 204 refuted. 0 times theorem prover too weak. 34439 trivial. 0 not checked. [2022-02-23 16:43:44,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 16:43:45,209 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4393 proven. 204 refuted. 0 times theorem prover too weak. 34793 trivial. 0 not checked. [2022-02-23 16:43:45,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427215293] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-23 16:43:45,210 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-23 16:43:45,210 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 22 [2022-02-23 16:43:45,211 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687306703] [2022-02-23 16:43:45,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-23 16:43:45,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-23 16:43:45,213 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 16:43:45,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-23 16:43:45,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2022-02-23 16:43:45,214 INFO L87 Difference]: Start difference. First operand 460 states and 638 transitions. Second operand has 22 states, 22 states have (on average 4.409090909090909) internal successors, (97), 21 states have internal predecessors, (97), 18 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 18 states have call predecessors, (22), 18 states have call successors, (22) [2022-02-23 16:43:47,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 16:43:47,606 INFO L93 Difference]: Finished difference Result 960 states and 1338 transitions. [2022-02-23 16:43:47,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-23 16:43:47,606 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.409090909090909) internal successors, (97), 21 states have internal predecessors, (97), 18 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 18 states have call predecessors, (22), 18 states have call successors, (22) Word has length 811 [2022-02-23 16:43:47,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 16:43:47,611 INFO L225 Difference]: With dead ends: 960 [2022-02-23 16:43:47,611 INFO L226 Difference]: Without dead ends: 960 [2022-02-23 16:43:47,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1833 GetRequests, 1794 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=455, Invalid=1105, Unknown=0, NotChecked=0, Total=1560 [2022-02-23 16:43:47,612 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 150 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-02-23 16:43:47,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 91 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-23 16:43:47,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2022-02-23 16:43:47,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 960. [2022-02-23 16:43:47,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 763 states have (on average 1.2503276539973787) internal successors, (954), 763 states have internal predecessors, (954), 193 states have call successors, (193), 5 states have call predecessors, (193), 3 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) [2022-02-23 16:43:47,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1338 transitions. [2022-02-23 16:43:47,649 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1338 transitions. Word has length 811 [2022-02-23 16:43:47,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 16:43:47,649 INFO L470 AbstractCegarLoop]: Abstraction has 960 states and 1338 transitions. [2022-02-23 16:43:47,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.409090909090909) internal successors, (97), 21 states have internal predecessors, (97), 18 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 18 states have call predecessors, (22), 18 states have call successors, (22) [2022-02-23 16:43:47,650 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1338 transitions. [2022-02-23 16:43:47,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1712 [2022-02-23 16:43:47,715 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 16:43:47,715 INFO L514 BasicCegarLoop]: trace histogram [191, 190, 190, 180, 180, 180, 180, 180, 180, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 16:43:47,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-23 16:43:47,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 16:43:47,921 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 16:43:47,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 16:43:47,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1014981681, now seen corresponding path program 4 times [2022-02-23 16:43:47,922 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 16:43:47,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866686217] [2022-02-23 16:43:47,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 16:43:47,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 16:43:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 16:43:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-23 16:43:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-23 16:43:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-23 16:43:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-23 16:43:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-23 16:43:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-23 16:43:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-02-23 16:43:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-02-23 16:43:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-02-23 16:43:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-02-23 16:43:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-02-23 16:43:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-02-23 16:43:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-02-23 16:43:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-02-23 16:43:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-02-23 16:43:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-02-23 16:43:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-02-23 16:43:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-02-23 16:43:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-02-23 16:43:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-02-23 16:43:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-02-23 16:43:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-02-23 16:43:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-02-23 16:43:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-02-23 16:43:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-02-23 16:43:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-02-23 16:43:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-02-23 16:43:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-02-23 16:43:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-02-23 16:43:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-02-23 16:43:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-02-23 16:43:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-02-23 16:43:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-02-23 16:43:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-02-23 16:43:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-02-23 16:43:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-02-23 16:43:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-02-23 16:43:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-02-23 16:43:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-02-23 16:43:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-02-23 16:43:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-02-23 16:43:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-02-23 16:43:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-02-23 16:43:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-02-23 16:43:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-02-23 16:43:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-02-23 16:43:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-02-23 16:43:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-02-23 16:43:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-02-23 16:43:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-02-23 16:43:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-02-23 16:43:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-02-23 16:43:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-02-23 16:43:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-02-23 16:43:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-02-23 16:43:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-02-23 16:43:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-02-23 16:43:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-02-23 16:43:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-02-23 16:43:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-02-23 16:43:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-02-23 16:43:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-02-23 16:43:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-02-23 16:43:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-02-23 16:43:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-02-23 16:43:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-02-23 16:43:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-02-23 16:43:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-02-23 16:43:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-02-23 16:43:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-02-23 16:43:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-02-23 16:43:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-02-23 16:43:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-02-23 16:43:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-02-23 16:43:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-02-23 16:43:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2022-02-23 16:43:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 690 [2022-02-23 16:43:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2022-02-23 16:43:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2022-02-23 16:43:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 717 [2022-02-23 16:43:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 726 [2022-02-23 16:43:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 735 [2022-02-23 16:43:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2022-02-23 16:43:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 753 [2022-02-23 16:43:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 762 [2022-02-23 16:43:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 771 [2022-02-23 16:43:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 780 [2022-02-23 16:43:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 789 [2022-02-23 16:43:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 798 [2022-02-23 16:43:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 807 [2022-02-23 16:43:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 816 [2022-02-23 16:43:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 825 [2022-02-23 16:43:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 834 [2022-02-23 16:43:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2022-02-23 16:43:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 850 [2022-02-23 16:43:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2022-02-23 16:43:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2022-02-23 16:43:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 878 [2022-02-23 16:43:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2022-02-23 16:43:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 896 [2022-02-23 16:43:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2022-02-23 16:43:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2022-02-23 16:43:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2022-02-23 16:43:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2022-02-23 16:43:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2022-02-23 16:43:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2022-02-23 16:43:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2022-02-23 16:43:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2022-02-23 16:43:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 977 [2022-02-23 16:43:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 986 [2022-02-23 16:43:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 995 [2022-02-23 16:43:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2022-02-23 16:43:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1013 [2022-02-23 16:43:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1020 [2022-02-23 16:43:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1030 [2022-02-23 16:43:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1039 [2022-02-23 16:43:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1048 [2022-02-23 16:43:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1057 [2022-02-23 16:43:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1066 [2022-02-23 16:43:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1075 [2022-02-23 16:43:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1084 [2022-02-23 16:43:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1093 [2022-02-23 16:43:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1102 [2022-02-23 16:43:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1111 [2022-02-23 16:43:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1120 [2022-02-23 16:43:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1129 [2022-02-23 16:43:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1138 [2022-02-23 16:43:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1147 [2022-02-23 16:43:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1156 [2022-02-23 16:43:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1165 [2022-02-23 16:43:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1174 [2022-02-23 16:43:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1183 [2022-02-23 16:43:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1190 [2022-02-23 16:43:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2022-02-23 16:43:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2022-02-23 16:43:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1218 [2022-02-23 16:43:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1227 [2022-02-23 16:43:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1236 [2022-02-23 16:43:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2022-02-23 16:43:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1254 [2022-02-23 16:43:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1263 [2022-02-23 16:43:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1272 [2022-02-23 16:43:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1281 [2022-02-23 16:43:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2022-02-23 16:43:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1299 [2022-02-23 16:43:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1308 [2022-02-23 16:43:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1317 [2022-02-23 16:43:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1326 [2022-02-23 16:43:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2022-02-23 16:43:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1344 [2022-02-23 16:43:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1353 [2022-02-23 16:43:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1360 [2022-02-23 16:43:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1370 [2022-02-23 16:43:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1379 [2022-02-23 16:43:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1388 [2022-02-23 16:43:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1397 [2022-02-23 16:43:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1406 [2022-02-23 16:43:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1415 [2022-02-23 16:43:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1424 [2022-02-23 16:43:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1433 [2022-02-23 16:43:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1442 [2022-02-23 16:43:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1451 [2022-02-23 16:43:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1460 [2022-02-23 16:43:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1469 [2022-02-23 16:43:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1478 [2022-02-23 16:43:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1487 [2022-02-23 16:43:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1496 [2022-02-23 16:43:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1505 [2022-02-23 16:43:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1514 [2022-02-23 16:43:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1523 [2022-02-23 16:43:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2022-02-23 16:43:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1540 [2022-02-23 16:43:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1549 [2022-02-23 16:43:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1558 [2022-02-23 16:43:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1567 [2022-02-23 16:43:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1576 [2022-02-23 16:43:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1585 [2022-02-23 16:43:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1594 [2022-02-23 16:43:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1603 [2022-02-23 16:43:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1612 [2022-02-23 16:43:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1621 [2022-02-23 16:43:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1630 [2022-02-23 16:43:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1639 [2022-02-23 16:43:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1648 [2022-02-23 16:43:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1657 [2022-02-23 16:43:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1666 [2022-02-23 16:43:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1675 [2022-02-23 16:43:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1684 [2022-02-23 16:43:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1693 [2022-02-23 16:43:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1700 [2022-02-23 16:43:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:43:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 187140 backedges. 21135 proven. 1089 refuted. 0 times theorem prover too weak. 164916 trivial. 0 not checked. [2022-02-23 16:43:50,609 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 16:43:50,609 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866686217] [2022-02-23 16:43:50,609 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866686217] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 16:43:50,609 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110982242] [2022-02-23 16:43:50,609 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-23 16:43:50,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 16:43:50,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 16:43:50,610 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 16:43:50,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-23 16:43:54,352 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-23 16:43:54,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-23 16:43:54,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 3087 conjuncts, 39 conjunts are in the unsatisfiable core [2022-02-23 16:43:54,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 16:43:56,711 INFO L134 CoverageAnalysis]: Checked inductivity of 187140 backedges. 101955 proven. 1089 refuted. 0 times theorem prover too weak. 84096 trivial. 0 not checked. [2022-02-23 16:43:56,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 16:43:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 187140 backedges. 67305 proven. 1089 refuted. 0 times theorem prover too weak. 118746 trivial. 0 not checked. [2022-02-23 16:43:59,554 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110982242] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-23 16:43:59,554 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-23 16:43:59,555 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 42 [2022-02-23 16:43:59,555 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987330272] [2022-02-23 16:43:59,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-23 16:43:59,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-02-23 16:43:59,558 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 16:43:59,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-02-23 16:43:59,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=1242, Unknown=0, NotChecked=0, Total=1722 [2022-02-23 16:43:59,559 INFO L87 Difference]: Start difference. First operand 960 states and 1338 transitions. Second operand has 42 states, 42 states have (on average 4.214285714285714) internal successors, (177), 41 states have internal predecessors, (177), 38 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (43), 38 states have call predecessors, (43), 38 states have call successors, (43) [2022-02-23 16:44:50,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 16:44:50,426 INFO L93 Difference]: Finished difference Result 1960 states and 2738 transitions. [2022-02-23 16:44:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-23 16:44:50,427 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 4.214285714285714) internal successors, (177), 41 states have internal predecessors, (177), 38 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (43), 38 states have call predecessors, (43), 38 states have call successors, (43) Word has length 1711 [2022-02-23 16:44:50,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 16:44:50,434 INFO L225 Difference]: With dead ends: 1960 [2022-02-23 16:44:50,435 INFO L226 Difference]: Without dead ends: 1960 [2022-02-23 16:44:50,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3863 GetRequests, 3784 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 50.1s TimeCoverageRelationStatistics Valid=1713, Invalid=4605, Unknown=2, NotChecked=0, Total=6320 [2022-02-23 16:44:50,438 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 300 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 2728 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 2972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 2728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-02-23 16:44:50,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [301 Valid, 171 Invalid, 2972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 2728 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-02-23 16:44:50,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1960 states. [2022-02-23 16:44:50,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1960 to 1960. [2022-02-23 16:44:50,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1960 states, 1563 states have (on average 1.2501599488163788) internal successors, (1954), 1563 states have internal predecessors, (1954), 393 states have call successors, (393), 5 states have call predecessors, (393), 3 states have return successors, (391), 391 states have call predecessors, (391), 391 states have call successors, (391) [2022-02-23 16:44:50,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1960 states and 2738 transitions. [2022-02-23 16:44:50,482 INFO L78 Accepts]: Start accepts. Automaton has 1960 states and 2738 transitions. Word has length 1711 [2022-02-23 16:44:50,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 16:44:50,483 INFO L470 AbstractCegarLoop]: Abstraction has 1960 states and 2738 transitions. [2022-02-23 16:44:50,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.214285714285714) internal successors, (177), 41 states have internal predecessors, (177), 38 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (43), 38 states have call predecessors, (43), 38 states have call successors, (43) [2022-02-23 16:44:50,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2738 transitions. [2022-02-23 16:44:50,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3512 [2022-02-23 16:44:50,831 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 16:44:50,832 INFO L514 BasicCegarLoop]: trace histogram [391, 390, 390, 380, 380, 380, 380, 380, 380, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 16:44:50,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-23 16:44:51,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-23 16:44:51,045 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 16:44:51,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 16:44:51,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1567356367, now seen corresponding path program 5 times [2022-02-23 16:44:51,046 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 16:44:51,046 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682704043] [2022-02-23 16:44:51,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 16:44:51,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 16:44:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 16:44:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-23 16:44:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-23 16:44:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-23 16:44:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-23 16:44:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-23 16:44:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-02-23 16:44:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-02-23 16:44:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-02-23 16:44:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-02-23 16:44:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-02-23 16:44:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-02-23 16:44:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-02-23 16:44:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-02-23 16:44:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-02-23 16:44:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-02-23 16:44:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-02-23 16:44:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-02-23 16:44:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-02-23 16:44:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-02-23 16:44:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-02-23 16:44:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-02-23 16:44:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-02-23 16:44:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-02-23 16:44:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-02-23 16:44:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-02-23 16:44:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-02-23 16:44:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-02-23 16:44:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-02-23 16:44:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-02-23 16:44:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-02-23 16:44:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-02-23 16:44:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-02-23 16:44:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-02-23 16:44:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-02-23 16:44:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-02-23 16:44:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-02-23 16:44:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-02-23 16:44:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-02-23 16:44:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-02-23 16:44:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-02-23 16:44:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-02-23 16:44:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-02-23 16:44:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-02-23 16:44:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-02-23 16:44:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-02-23 16:44:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-02-23 16:44:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-02-23 16:44:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-02-23 16:44:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-02-23 16:44:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-02-23 16:44:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-02-23 16:44:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-02-23 16:44:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-02-23 16:44:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-02-23 16:44:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-02-23 16:44:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-02-23 16:44:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-02-23 16:44:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-02-23 16:44:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-02-23 16:44:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-02-23 16:44:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2022-02-23 16:44:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2022-02-23 16:44:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2022-02-23 16:44:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-02-23 16:44:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-02-23 16:44:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2022-02-23 16:44:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2022-02-23 16:44:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-02-23 16:44:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2022-02-23 16:44:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2022-02-23 16:44:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2022-02-23 16:44:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2022-02-23 16:44:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2022-02-23 16:44:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2022-02-23 16:44:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2022-02-23 16:44:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 684 [2022-02-23 16:44:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2022-02-23 16:44:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-02-23 16:44:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-02-23 16:44:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2022-02-23 16:44:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 728 [2022-02-23 16:44:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2022-02-23 16:44:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2022-02-23 16:44:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2022-02-23 16:44:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 764 [2022-02-23 16:44:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2022-02-23 16:44:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 782 [2022-02-23 16:44:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2022-02-23 16:44:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-02-23 16:44:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2022-02-23 16:44:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 818 [2022-02-23 16:44:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2022-02-23 16:44:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2022-02-23 16:44:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2022-02-23 16:44:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2022-02-23 16:44:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2022-02-23 16:44:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 872 [2022-02-23 16:44:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2022-02-23 16:44:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 890 [2022-02-23 16:44:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2022-02-23 16:44:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 908 [2022-02-23 16:44:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2022-02-23 16:44:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2022-02-23 16:44:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 935 [2022-02-23 16:44:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2022-02-23 16:44:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 953 [2022-02-23 16:44:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2022-02-23 16:44:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 971 [2022-02-23 16:44:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2022-02-23 16:44:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2022-02-23 16:44:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2022-02-23 16:44:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1007 [2022-02-23 16:44:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2022-02-23 16:44:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1025 [2022-02-23 16:44:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2022-02-23 16:44:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1043 [2022-02-23 16:44:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1050 [2022-02-23 16:44:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-02-23 16:44:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-02-23 16:44:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-02-23 16:44:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-02-23 16:44:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-02-23 16:44:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-02-23 16:44:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-02-23 16:44:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-02-23 16:44:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2022-02-23 16:44:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2022-02-23 16:44:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2022-02-23 16:44:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2022-02-23 16:44:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2022-02-23 16:44:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2022-02-23 16:44:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2022-02-23 16:44:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2022-02-23 16:44:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2022-02-23 16:44:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1213 [2022-02-23 16:44:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2022-02-23 16:44:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2022-02-23 16:44:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1240 [2022-02-23 16:44:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1249 [2022-02-23 16:44:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1258 [2022-02-23 16:44:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2022-02-23 16:44:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2022-02-23 16:44:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1285 [2022-02-23 16:44:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1294 [2022-02-23 16:44:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1303 [2022-02-23 16:44:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1312 [2022-02-23 16:44:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1321 [2022-02-23 16:44:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2022-02-23 16:44:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1339 [2022-02-23 16:44:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1348 [2022-02-23 16:44:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1357 [2022-02-23 16:44:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1366 [2022-02-23 16:44:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2022-02-23 16:44:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1384 [2022-02-23 16:44:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1393 [2022-02-23 16:44:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1400 [2022-02-23 16:44:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2022-02-23 16:44:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1419 [2022-02-23 16:44:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1428 [2022-02-23 16:44:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1437 [2022-02-23 16:44:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1446 [2022-02-23 16:44:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2022-02-23 16:44:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1464 [2022-02-23 16:44:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1473 [2022-02-23 16:44:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1482 [2022-02-23 16:44:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1491 [2022-02-23 16:44:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2022-02-23 16:44:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1509 [2022-02-23 16:44:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1518 [2022-02-23 16:44:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1527 [2022-02-23 16:44:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1536 [2022-02-23 16:44:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2022-02-23 16:44:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1554 [2022-02-23 16:44:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1563 [2022-02-23 16:44:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1572 [2022-02-23 16:44:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1581 [2022-02-23 16:44:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1590 [2022-02-23 16:44:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1599 [2022-02-23 16:44:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1608 [2022-02-23 16:44:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1617 [2022-02-23 16:44:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1626 [2022-02-23 16:44:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1635 [2022-02-23 16:44:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1644 [2022-02-23 16:44:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1653 [2022-02-23 16:44:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2022-02-23 16:44:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1671 [2022-02-23 16:44:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1680 [2022-02-23 16:44:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1689 [2022-02-23 16:44:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1698 [2022-02-23 16:44:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1707 [2022-02-23 16:44:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1716 [2022-02-23 16:44:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:57,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1725 [2022-02-23 16:44:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1734 [2022-02-23 16:44:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1743 [2022-02-23 16:44:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1750 [2022-02-23 16:44:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1760 [2022-02-23 16:44:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1769 [2022-02-23 16:44:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1778 [2022-02-23 16:44:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1787 [2022-02-23 16:44:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1796 [2022-02-23 16:44:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1805 [2022-02-23 16:44:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1814 [2022-02-23 16:44:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1823 [2022-02-23 16:44:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1832 [2022-02-23 16:44:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1841 [2022-02-23 16:44:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1850 [2022-02-23 16:44:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1859 [2022-02-23 16:44:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1868 [2022-02-23 16:44:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1877 [2022-02-23 16:44:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1886 [2022-02-23 16:44:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1895 [2022-02-23 16:44:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1904 [2022-02-23 16:44:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1913 [2022-02-23 16:44:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1922 [2022-02-23 16:44:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931 [2022-02-23 16:44:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1940 [2022-02-23 16:44:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949 [2022-02-23 16:44:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1958 [2022-02-23 16:44:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967 [2022-02-23 16:44:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1976 [2022-02-23 16:44:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1985 [2022-02-23 16:44:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1994 [2022-02-23 16:44:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003 [2022-02-23 16:44:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2012 [2022-02-23 16:44:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2021 [2022-02-23 16:44:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2030 [2022-02-23 16:44:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2039 [2022-02-23 16:44:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2048 [2022-02-23 16:44:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2057 [2022-02-23 16:44:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2066 [2022-02-23 16:44:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2075 [2022-02-23 16:44:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2084 [2022-02-23 16:44:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2093 [2022-02-23 16:44:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2100 [2022-02-23 16:44:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2110 [2022-02-23 16:44:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2119 [2022-02-23 16:44:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2128 [2022-02-23 16:44:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2137 [2022-02-23 16:44:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2146 [2022-02-23 16:44:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2155 [2022-02-23 16:44:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2164 [2022-02-23 16:44:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2173 [2022-02-23 16:44:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2182 [2022-02-23 16:44:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2191 [2022-02-23 16:44:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2200 [2022-02-23 16:44:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2209 [2022-02-23 16:44:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2218 [2022-02-23 16:44:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2227 [2022-02-23 16:44:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2236 [2022-02-23 16:44:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2245 [2022-02-23 16:44:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2254 [2022-02-23 16:44:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2263 [2022-02-23 16:44:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2272 [2022-02-23 16:44:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2281 [2022-02-23 16:44:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2290 [2022-02-23 16:44:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2299 [2022-02-23 16:44:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2308 [2022-02-23 16:44:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2317 [2022-02-23 16:44:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2326 [2022-02-23 16:44:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2335 [2022-02-23 16:44:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2344 [2022-02-23 16:44:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2353 [2022-02-23 16:44:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2362 [2022-02-23 16:44:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2371 [2022-02-23 16:44:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2380 [2022-02-23 16:44:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2389 [2022-02-23 16:44:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2398 [2022-02-23 16:44:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2407 [2022-02-23 16:44:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2416 [2022-02-23 16:44:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2425 [2022-02-23 16:44:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2434 [2022-02-23 16:44:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2443 [2022-02-23 16:44:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2450 [2022-02-23 16:44:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2460 [2022-02-23 16:44:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2469 [2022-02-23 16:44:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2478 [2022-02-23 16:44:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2487 [2022-02-23 16:44:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2496 [2022-02-23 16:44:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2505 [2022-02-23 16:44:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2514 [2022-02-23 16:44:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2523 [2022-02-23 16:44:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2532 [2022-02-23 16:44:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2541 [2022-02-23 16:44:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2550 [2022-02-23 16:44:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2559 [2022-02-23 16:44:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2568 [2022-02-23 16:44:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2577 [2022-02-23 16:44:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2586 [2022-02-23 16:44:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2595 [2022-02-23 16:44:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2604 [2022-02-23 16:44:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2613 [2022-02-23 16:44:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2622 [2022-02-23 16:44:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2631 [2022-02-23 16:44:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2640 [2022-02-23 16:44:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2649 [2022-02-23 16:44:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2658 [2022-02-23 16:44:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2667 [2022-02-23 16:44:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2676 [2022-02-23 16:44:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2685 [2022-02-23 16:44:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2694 [2022-02-23 16:44:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2703 [2022-02-23 16:44:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2712 [2022-02-23 16:44:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2721 [2022-02-23 16:44:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2730 [2022-02-23 16:44:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2739 [2022-02-23 16:44:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2748 [2022-02-23 16:44:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2757 [2022-02-23 16:44:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2766 [2022-02-23 16:44:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2775 [2022-02-23 16:44:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2784 [2022-02-23 16:44:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2793 [2022-02-23 16:44:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2800 [2022-02-23 16:44:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2810 [2022-02-23 16:44:58,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2819 [2022-02-23 16:44:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2828 [2022-02-23 16:44:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2837 [2022-02-23 16:44:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2846 [2022-02-23 16:44:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2855 [2022-02-23 16:44:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2864 [2022-02-23 16:44:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2873 [2022-02-23 16:44:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2882 [2022-02-23 16:44:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2891 [2022-02-23 16:44:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2900 [2022-02-23 16:44:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2909 [2022-02-23 16:44:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2918 [2022-02-23 16:44:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2927 [2022-02-23 16:44:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2936 [2022-02-23 16:44:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2945 [2022-02-23 16:44:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2954 [2022-02-23 16:44:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2963 [2022-02-23 16:44:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2972 [2022-02-23 16:44:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2981 [2022-02-23 16:44:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2990 [2022-02-23 16:44:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2999 [2022-02-23 16:44:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3008 [2022-02-23 16:44:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3017 [2022-02-23 16:44:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3026 [2022-02-23 16:44:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3035 [2022-02-23 16:44:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3044 [2022-02-23 16:44:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3053 [2022-02-23 16:44:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3062 [2022-02-23 16:44:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3071 [2022-02-23 16:44:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3080 [2022-02-23 16:44:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3089 [2022-02-23 16:44:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3098 [2022-02-23 16:44:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3107 [2022-02-23 16:44:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3116 [2022-02-23 16:44:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3125 [2022-02-23 16:44:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3134 [2022-02-23 16:44:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3143 [2022-02-23 16:44:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3150 [2022-02-23 16:44:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3160 [2022-02-23 16:44:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3169 [2022-02-23 16:44:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3178 [2022-02-23 16:44:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3187 [2022-02-23 16:44:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3196 [2022-02-23 16:44:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3205 [2022-02-23 16:44:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3214 [2022-02-23 16:44:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3223 [2022-02-23 16:44:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3232 [2022-02-23 16:44:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3241 [2022-02-23 16:44:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3250 [2022-02-23 16:44:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3259 [2022-02-23 16:44:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3268 [2022-02-23 16:44:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3277 [2022-02-23 16:44:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3286 [2022-02-23 16:44:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3295 [2022-02-23 16:44:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3304 [2022-02-23 16:44:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3313 [2022-02-23 16:44:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3322 [2022-02-23 16:44:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3331 [2022-02-23 16:44:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3340 [2022-02-23 16:44:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2022-02-23 16:44:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3358 [2022-02-23 16:44:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3367 [2022-02-23 16:44:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3376 [2022-02-23 16:44:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3385 [2022-02-23 16:44:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3394 [2022-02-23 16:44:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3403 [2022-02-23 16:44:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3412 [2022-02-23 16:44:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3421 [2022-02-23 16:44:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3430 [2022-02-23 16:44:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3439 [2022-02-23 16:44:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3448 [2022-02-23 16:44:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3457 [2022-02-23 16:44:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3466 [2022-02-23 16:44:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3475 [2022-02-23 16:44:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3484 [2022-02-23 16:44:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3493 [2022-02-23 16:44:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3500 [2022-02-23 16:44:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 16:44:58,931 INFO L134 CoverageAnalysis]: Checked inductivity of 812640 backedges. 92455 proven. 4959 refuted. 0 times theorem prover too weak. 715226 trivial. 0 not checked. [2022-02-23 16:44:58,931 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 16:44:58,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682704043] [2022-02-23 16:44:58,931 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682704043] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 16:44:58,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678554603] [2022-02-23 16:44:58,932 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-23 16:44:58,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 16:44:58,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 16:44:58,933 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 16:44:58,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process