/usr/bin/java -ea -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/nla-digbench-scaling/mannadiv_unwindbound5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-27 19:46:21,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-27 19:46:21,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-27 19:46:21,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-27 19:46:21,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-27 19:46:21,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-27 19:46:21,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-27 19:46:21,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-27 19:46:21,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-27 19:46:21,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-27 19:46:21,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-27 19:46:21,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-27 19:46:21,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-27 19:46:21,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-27 19:46:21,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-27 19:46:21,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-27 19:46:21,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-27 19:46:21,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-27 19:46:21,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-27 19:46:21,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-27 19:46:21,705 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-27 19:46:21,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-27 19:46:21,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-27 19:46:21,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-27 19:46:21,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-27 19:46:21,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-27 19:46:21,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-27 19:46:21,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-27 19:46:21,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-27 19:46:21,732 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-27 19:46:21,744 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-27 19:46:21,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-27 19:46:21,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-27 19:46:21,746 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-27 19:46:21,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-27 19:46:21,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-27 19:46:21,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-27 19:46:21,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-27 19:46:21,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-27 19:46:21,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-27 19:46:21,747 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-27 19:46:21,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-27 19:46:21,747 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-27 19:46:21,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-27 19:46:21,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-27 19:46:21,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-27 19:46:21,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-27 19:46:21,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-27 19:46:21,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 19:46:21,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-27 19:46:21,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-27 19:46:21,748 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-27 19:46:21,748 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-27 19:46:21,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-27 19:46:21,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-27 19:46:21,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-27 19:46:21,920 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-27 19:46:21,920 INFO L275 PluginConnector]: CDTParser initialized [2022-04-27 19:46:21,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound5.c [2022-04-27 19:46:21,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10b963167/e26f71e0b40849a9a94db9c41245f155/FLAGba1dd1fc6 [2022-04-27 19:46:22,240 INFO L306 CDTParser]: Found 1 translation units. [2022-04-27 19:46:22,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound5.c [2022-04-27 19:46:22,245 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10b963167/e26f71e0b40849a9a94db9c41245f155/FLAGba1dd1fc6 [2022-04-27 19:46:22,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10b963167/e26f71e0b40849a9a94db9c41245f155 [2022-04-27 19:46:22,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-27 19:46:22,699 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-27 19:46:22,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-27 19:46:22,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-27 19:46:22,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-27 19:46:22,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 07:46:22" (1/1) ... [2022-04-27 19:46:22,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3042584d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:46:22, skipping insertion in model container [2022-04-27 19:46:22,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 07:46:22" (1/1) ... [2022-04-27 19:46:22,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-27 19:46:22,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-27 19:46:22,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound5.c[573,586] [2022-04-27 19:46:22,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 19:46:22,902 INFO L203 MainTranslator]: Completed pre-run [2022-04-27 19:46:22,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound5.c[573,586] [2022-04-27 19:46:22,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 19:46:22,954 INFO L208 MainTranslator]: Completed translation [2022-04-27 19:46:22,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:46:22 WrapperNode [2022-04-27 19:46:22,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-27 19:46:22,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-27 19:46:22,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-27 19:46:22,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-27 19:46:22,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:46:22" (1/1) ... [2022-04-27 19:46:22,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:46:22" (1/1) ... [2022-04-27 19:46:22,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:46:22" (1/1) ... [2022-04-27 19:46:22,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:46:22" (1/1) ... [2022-04-27 19:46:22,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:46:22" (1/1) ... [2022-04-27 19:46:22,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:46:22" (1/1) ... [2022-04-27 19:46:22,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:46:22" (1/1) ... [2022-04-27 19:46:22,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-27 19:46:22,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-27 19:46:22,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-27 19:46:22,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-27 19:46:22,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:46:22" (1/1) ... [2022-04-27 19:46:22,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 19:46:23,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:46:23,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-27 19:46:23,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-27 19:46:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-27 19:46:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-27 19:46:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-27 19:46:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-27 19:46:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-27 19:46:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-27 19:46:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-27 19:46:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-27 19:46:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-27 19:46:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-27 19:46:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-27 19:46:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-27 19:46:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-27 19:46:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-27 19:46:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-27 19:46:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-27 19:46:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-27 19:46:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-27 19:46:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-27 19:46:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-27 19:46:23,095 INFO L234 CfgBuilder]: Building ICFG [2022-04-27 19:46:23,096 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-27 19:46:23,190 INFO L275 CfgBuilder]: Performing block encoding [2022-04-27 19:46:23,195 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-27 19:46:23,195 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-27 19:46:23,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 07:46:23 BoogieIcfgContainer [2022-04-27 19:46:23,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-27 19:46:23,197 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-27 19:46:23,197 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-27 19:46:23,197 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-27 19:46:23,211 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 07:46:23" (1/1) ... [2022-04-27 19:46:23,213 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-27 19:46:23,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 07:46:23 BasicIcfg [2022-04-27 19:46:23,229 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-27 19:46:23,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-27 19:46:23,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-27 19:46:23,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-27 19:46:23,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.04 07:46:22" (1/4) ... [2022-04-27 19:46:23,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2143c986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 07:46:23, skipping insertion in model container [2022-04-27 19:46:23,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:46:22" (2/4) ... [2022-04-27 19:46:23,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2143c986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 07:46:23, skipping insertion in model container [2022-04-27 19:46:23,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 07:46:23" (3/4) ... [2022-04-27 19:46:23,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2143c986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 07:46:23, skipping insertion in model container [2022-04-27 19:46:23,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 07:46:23" (4/4) ... [2022-04-27 19:46:23,234 INFO L111 eAbstractionObserver]: Analyzing ICFG mannadiv_unwindbound5.cJordan [2022-04-27 19:46:23,242 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-27 19:46:23,243 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-27 19:46:23,268 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-27 19:46:23,287 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@ef95706, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6dadfd50 [2022-04-27 19:46:23,287 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-27 19:46:23,293 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-27 19:46:23,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-04-27 19:46:23,299 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:46:23,299 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:46:23,299 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:46:23,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:46:23,303 INFO L85 PathProgramCache]: Analyzing trace with hash 734203501, now seen corresponding path program 1 times [2022-04-27 19:46:23,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:46:23,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732785325] [2022-04-27 19:46:23,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:46:23,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:46:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:46:23,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 19:46:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:46:23,438 INFO L290 TraceCheckUtils]: 0: Hoare triple {46#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {33#true} is VALID [2022-04-27 19:46:23,438 INFO L290 TraceCheckUtils]: 1: Hoare triple {33#true} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-27 19:46:23,438 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {33#true} {33#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-27 19:46:23,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-27 19:46:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:46:23,445 INFO L290 TraceCheckUtils]: 0: Hoare triple {33#true} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {33#true} is VALID [2022-04-27 19:46:23,445 INFO L290 TraceCheckUtils]: 1: Hoare triple {33#true} [80] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-27 19:46:23,445 INFO L290 TraceCheckUtils]: 2: Hoare triple {34#false} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-27 19:46:23,446 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {34#false} {33#true} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {34#false} is VALID [2022-04-27 19:46:23,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-27 19:46:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:46:23,451 INFO L290 TraceCheckUtils]: 0: Hoare triple {33#true} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {33#true} is VALID [2022-04-27 19:46:23,452 INFO L290 TraceCheckUtils]: 1: Hoare triple {33#true} [80] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-27 19:46:23,452 INFO L290 TraceCheckUtils]: 2: Hoare triple {34#false} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-27 19:46:23,452 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {34#false} {34#false} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {34#false} is VALID [2022-04-27 19:46:23,453 INFO L272 TraceCheckUtils]: 0: Hoare triple {33#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {46#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 19:46:23,454 INFO L290 TraceCheckUtils]: 1: Hoare triple {46#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {33#true} is VALID [2022-04-27 19:46:23,454 INFO L290 TraceCheckUtils]: 2: Hoare triple {33#true} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-27 19:46:23,454 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {33#true} {33#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-27 19:46:23,454 INFO L272 TraceCheckUtils]: 4: Hoare triple {33#true} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-27 19:46:23,454 INFO L290 TraceCheckUtils]: 5: Hoare triple {33#true} [74] mainENTRY-->L29: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~x2~0_4 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_4, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_5, main_~y2~0=v_main_~y2~0_6, main_~y1~0=v_main_~y1~0_4} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {33#true} is VALID [2022-04-27 19:46:23,455 INFO L272 TraceCheckUtils]: 6: Hoare triple {33#true} [76] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {33#true} is VALID [2022-04-27 19:46:23,455 INFO L290 TraceCheckUtils]: 7: Hoare triple {33#true} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {33#true} is VALID [2022-04-27 19:46:23,455 INFO L290 TraceCheckUtils]: 8: Hoare triple {33#true} [80] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-27 19:46:23,455 INFO L290 TraceCheckUtils]: 9: Hoare triple {34#false} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-27 19:46:23,456 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {34#false} {33#true} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {34#false} is VALID [2022-04-27 19:46:23,456 INFO L272 TraceCheckUtils]: 11: Hoare triple {34#false} [77] L29-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {33#true} is VALID [2022-04-27 19:46:23,456 INFO L290 TraceCheckUtils]: 12: Hoare triple {33#true} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {33#true} is VALID [2022-04-27 19:46:23,456 INFO L290 TraceCheckUtils]: 13: Hoare triple {33#true} [80] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-27 19:46:23,457 INFO L290 TraceCheckUtils]: 14: Hoare triple {34#false} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-27 19:46:23,457 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {34#false} {34#false} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {34#false} is VALID [2022-04-27 19:46:23,457 INFO L290 TraceCheckUtils]: 16: Hoare triple {34#false} [79] L30-->L41-2: Formula: (and (= v_main_~y1~0_5 0) (= v_main_~y2~0_7 0) (= v_main_~x1~0_6 v_main_~y3~0_6)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_6, main_~y2~0=v_main_~y2~0_7, main_~y1~0=v_main_~y1~0_5} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {34#false} is VALID [2022-04-27 19:46:23,457 INFO L290 TraceCheckUtils]: 17: Hoare triple {34#false} [82] L41-2-->L36-3: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-27 19:46:23,457 INFO L272 TraceCheckUtils]: 18: Hoare triple {34#false} [85] L36-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {34#false} is VALID [2022-04-27 19:46:23,458 INFO L290 TraceCheckUtils]: 19: Hoare triple {34#false} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {34#false} is VALID [2022-04-27 19:46:23,458 INFO L290 TraceCheckUtils]: 20: Hoare triple {34#false} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-27 19:46:23,458 INFO L290 TraceCheckUtils]: 21: Hoare triple {34#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-27 19:46:23,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-27 19:46:23,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 19:46:23,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732785325] [2022-04-27 19:46:23,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732785325] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 19:46:23,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 19:46:23,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-27 19:46:23,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152511480] [2022-04-27 19:46:23,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 19:46:23,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-04-27 19:46:23,465 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 19:46:23,467 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 19:46:23,485 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:46:23,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-27 19:46:23,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 19:46:23,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-27 19:46:23,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 19:46:23,504 INFO L87 Difference]: Start difference. First operand has 30 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 19:46:23,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:46:23,643 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2022-04-27 19:46:23,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-27 19:46:23,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-04-27 19:46:23,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 19:46:23,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 19:46:23,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2022-04-27 19:46:23,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 19:46:23,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2022-04-27 19:46:23,660 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 39 transitions. [2022-04-27 19:46:23,710 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:46:23,718 INFO L225 Difference]: With dead ends: 31 [2022-04-27 19:46:23,718 INFO L226 Difference]: Without dead ends: 26 [2022-04-27 19:46:23,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 19:46:23,724 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 19:46:23,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 35 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 19:46:23,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-04-27 19:46:23,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2022-04-27 19:46:23,748 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 19:46:23,749 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-27 19:46:23,750 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-27 19:46:23,751 INFO L87 Difference]: Start difference. First operand 26 states. Second operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-27 19:46:23,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:46:23,762 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2022-04-27 19:46:23,762 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-04-27 19:46:23,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:46:23,762 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:46:23,763 INFO L74 IsIncluded]: Start isIncluded. First operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 26 states. [2022-04-27 19:46:23,763 INFO L87 Difference]: Start difference. First operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 26 states. [2022-04-27 19:46:23,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:46:23,765 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2022-04-27 19:46:23,766 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-04-27 19:46:23,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:46:23,766 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:46:23,766 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 19:46:23,766 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 19:46:23,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-27 19:46:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-04-27 19:46:23,769 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 22 [2022-04-27 19:46:23,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 19:46:23,769 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-04-27 19:46:23,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 19:46:23,769 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-04-27 19:46:23,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-27 19:46:23,770 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:46:23,770 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:46:23,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-27 19:46:23,771 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:46:23,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:46:23,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1669026344, now seen corresponding path program 1 times [2022-04-27 19:46:23,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:46:23,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413004765] [2022-04-27 19:46:23,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:46:23,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:46:23,811 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 19:46:23,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1975244534] [2022-04-27 19:46:23,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:46:23,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:46:23,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:46:23,818 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 19:46:23,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-27 19:46:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:46:23,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-27 19:46:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:46:23,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 19:46:24,033 INFO L272 TraceCheckUtils]: 0: Hoare triple {157#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {157#true} is VALID [2022-04-27 19:46:24,034 INFO L290 TraceCheckUtils]: 1: Hoare triple {157#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {165#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:24,035 INFO L290 TraceCheckUtils]: 2: Hoare triple {165#(<= ~counter~0 0)} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {165#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:24,035 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {165#(<= ~counter~0 0)} {157#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {165#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:24,036 INFO L272 TraceCheckUtils]: 4: Hoare triple {165#(<= ~counter~0 0)} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {165#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:24,037 INFO L290 TraceCheckUtils]: 5: Hoare triple {165#(<= ~counter~0 0)} [74] mainENTRY-->L29: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~x2~0_4 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_4, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_5, main_~y2~0=v_main_~y2~0_6, main_~y1~0=v_main_~y1~0_4} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {165#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:24,037 INFO L272 TraceCheckUtils]: 6: Hoare triple {165#(<= ~counter~0 0)} [76] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {165#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:24,038 INFO L290 TraceCheckUtils]: 7: Hoare triple {165#(<= ~counter~0 0)} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {165#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:24,038 INFO L290 TraceCheckUtils]: 8: Hoare triple {165#(<= ~counter~0 0)} [81] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {165#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:24,039 INFO L290 TraceCheckUtils]: 9: Hoare triple {165#(<= ~counter~0 0)} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {165#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:24,039 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {165#(<= ~counter~0 0)} {165#(<= ~counter~0 0)} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {165#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:24,041 INFO L272 TraceCheckUtils]: 11: Hoare triple {165#(<= ~counter~0 0)} [77] L29-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {165#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:24,041 INFO L290 TraceCheckUtils]: 12: Hoare triple {165#(<= ~counter~0 0)} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {165#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:24,041 INFO L290 TraceCheckUtils]: 13: Hoare triple {165#(<= ~counter~0 0)} [81] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {165#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:24,042 INFO L290 TraceCheckUtils]: 14: Hoare triple {165#(<= ~counter~0 0)} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {165#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:24,046 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {165#(<= ~counter~0 0)} {165#(<= ~counter~0 0)} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {165#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:24,046 INFO L290 TraceCheckUtils]: 16: Hoare triple {165#(<= ~counter~0 0)} [79] L30-->L41-2: Formula: (and (= v_main_~y1~0_5 0) (= v_main_~y2~0_7 0) (= v_main_~x1~0_6 v_main_~y3~0_6)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_6, main_~y2~0=v_main_~y2~0_7, main_~y1~0=v_main_~y1~0_5} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {165#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:24,047 INFO L290 TraceCheckUtils]: 17: Hoare triple {165#(<= ~counter~0 0)} [83] L41-2-->L36-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {214#(<= |main_#t~post6| 0)} is VALID [2022-04-27 19:46:24,047 INFO L290 TraceCheckUtils]: 18: Hoare triple {214#(<= |main_#t~post6| 0)} [86] L36-1-->L36-3: Formula: (not (< |v_main_#t~post6_3| 5)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {158#false} is VALID [2022-04-27 19:46:24,047 INFO L272 TraceCheckUtils]: 19: Hoare triple {158#false} [85] L36-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {158#false} is VALID [2022-04-27 19:46:24,049 INFO L290 TraceCheckUtils]: 20: Hoare triple {158#false} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {158#false} is VALID [2022-04-27 19:46:24,049 INFO L290 TraceCheckUtils]: 21: Hoare triple {158#false} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {158#false} is VALID [2022-04-27 19:46:24,049 INFO L290 TraceCheckUtils]: 22: Hoare triple {158#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {158#false} is VALID [2022-04-27 19:46:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-27 19:46:24,050 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 19:46:24,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 19:46:24,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413004765] [2022-04-27 19:46:24,050 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 19:46:24,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975244534] [2022-04-27 19:46:24,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975244534] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 19:46:24,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 19:46:24,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-27 19:46:24,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818239921] [2022-04-27 19:46:24,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 19:46:24,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-27 19:46:24,057 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 19:46:24,058 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 19:46:24,073 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:46:24,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-27 19:46:24,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 19:46:24,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-27 19:46:24,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-27 19:46:24,076 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 19:46:24,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:46:24,117 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-04-27 19:46:24,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-27 19:46:24,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-27 19:46:24,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 19:46:24,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 19:46:24,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2022-04-27 19:46:24,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 19:46:24,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2022-04-27 19:46:24,121 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 32 transitions. [2022-04-27 19:46:24,143 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:46:24,144 INFO L225 Difference]: With dead ends: 27 [2022-04-27 19:46:24,144 INFO L226 Difference]: Without dead ends: 27 [2022-04-27 19:46:24,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-27 19:46:24,145 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 19:46:24,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 19:46:24,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-04-27 19:46:24,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-04-27 19:46:24,147 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 19:46:24,148 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-27 19:46:24,148 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-27 19:46:24,148 INFO L87 Difference]: Start difference. First operand 27 states. Second operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-27 19:46:24,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:46:24,150 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-04-27 19:46:24,150 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-04-27 19:46:24,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:46:24,150 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:46:24,150 INFO L74 IsIncluded]: Start isIncluded. First operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 27 states. [2022-04-27 19:46:24,151 INFO L87 Difference]: Start difference. First operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 27 states. [2022-04-27 19:46:24,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:46:24,152 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-04-27 19:46:24,152 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-04-27 19:46:24,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:46:24,153 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:46:24,153 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 19:46:24,153 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 19:46:24,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-27 19:46:24,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-04-27 19:46:24,155 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 23 [2022-04-27 19:46:24,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 19:46:24,155 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-04-27 19:46:24,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 19:46:24,155 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-04-27 19:46:24,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-27 19:46:24,156 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:46:24,156 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:46:24,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-27 19:46:24,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:46:24,373 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:46:24,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:46:24,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1667953868, now seen corresponding path program 1 times [2022-04-27 19:46:24,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:46:24,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133301621] [2022-04-27 19:46:24,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:46:24,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:46:24,387 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 19:46:24,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [962868213] [2022-04-27 19:46:24,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:46:24,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:46:24,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:46:24,392 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 19:46:24,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-27 19:46:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:46:24,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 14 conjunts are in the unsatisfiable core [2022-04-27 19:46:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:46:24,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 19:46:24,600 INFO L272 TraceCheckUtils]: 0: Hoare triple {337#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {337#true} is VALID [2022-04-27 19:46:24,600 INFO L290 TraceCheckUtils]: 1: Hoare triple {337#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {337#true} is VALID [2022-04-27 19:46:24,600 INFO L290 TraceCheckUtils]: 2: Hoare triple {337#true} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {337#true} is VALID [2022-04-27 19:46:24,601 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {337#true} {337#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {337#true} is VALID [2022-04-27 19:46:24,601 INFO L272 TraceCheckUtils]: 4: Hoare triple {337#true} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {337#true} is VALID [2022-04-27 19:46:24,601 INFO L290 TraceCheckUtils]: 5: Hoare triple {337#true} [74] mainENTRY-->L29: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~x2~0_4 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_4, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_5, main_~y2~0=v_main_~y2~0_6, main_~y1~0=v_main_~y1~0_4} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {337#true} is VALID [2022-04-27 19:46:24,601 INFO L272 TraceCheckUtils]: 6: Hoare triple {337#true} [76] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {337#true} is VALID [2022-04-27 19:46:24,601 INFO L290 TraceCheckUtils]: 7: Hoare triple {337#true} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {337#true} is VALID [2022-04-27 19:46:24,601 INFO L290 TraceCheckUtils]: 8: Hoare triple {337#true} [81] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {337#true} is VALID [2022-04-27 19:46:24,601 INFO L290 TraceCheckUtils]: 9: Hoare triple {337#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {337#true} is VALID [2022-04-27 19:46:24,602 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {337#true} {337#true} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {337#true} is VALID [2022-04-27 19:46:24,602 INFO L272 TraceCheckUtils]: 11: Hoare triple {337#true} [77] L29-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {337#true} is VALID [2022-04-27 19:46:24,602 INFO L290 TraceCheckUtils]: 12: Hoare triple {337#true} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {378#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-27 19:46:24,603 INFO L290 TraceCheckUtils]: 13: Hoare triple {378#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [81] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {382#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 19:46:24,603 INFO L290 TraceCheckUtils]: 14: Hoare triple {382#(not (= |assume_abort_if_not_#in~cond| 0))} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {382#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 19:46:24,604 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {382#(not (= |assume_abort_if_not_#in~cond| 0))} {337#true} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {389#(not (= main_~x2~0 0))} is VALID [2022-04-27 19:46:24,604 INFO L290 TraceCheckUtils]: 16: Hoare triple {389#(not (= main_~x2~0 0))} [79] L30-->L41-2: Formula: (and (= v_main_~y1~0_5 0) (= v_main_~y2~0_7 0) (= v_main_~x1~0_6 v_main_~y3~0_6)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_6, main_~y2~0=v_main_~y2~0_7, main_~y1~0=v_main_~y1~0_5} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {393#(and (= main_~y2~0 0) (= main_~y1~0 0) (not (= main_~x2~0 0)) (= main_~x1~0 main_~y3~0))} is VALID [2022-04-27 19:46:24,605 INFO L290 TraceCheckUtils]: 17: Hoare triple {393#(and (= main_~y2~0 0) (= main_~y1~0 0) (not (= main_~x2~0 0)) (= main_~x1~0 main_~y3~0))} [83] L41-2-->L36-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {393#(and (= main_~y2~0 0) (= main_~y1~0 0) (not (= main_~x2~0 0)) (= main_~x1~0 main_~y3~0))} is VALID [2022-04-27 19:46:24,605 INFO L290 TraceCheckUtils]: 18: Hoare triple {393#(and (= main_~y2~0 0) (= main_~y1~0 0) (not (= main_~x2~0 0)) (= main_~x1~0 main_~y3~0))} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {393#(and (= main_~y2~0 0) (= main_~y1~0 0) (not (= main_~x2~0 0)) (= main_~x1~0 main_~y3~0))} is VALID [2022-04-27 19:46:24,607 INFO L272 TraceCheckUtils]: 19: Hoare triple {393#(and (= main_~y2~0 0) (= main_~y1~0 0) (not (= main_~x2~0 0)) (= main_~x1~0 main_~y3~0))} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {403#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 19:46:24,607 INFO L290 TraceCheckUtils]: 20: Hoare triple {403#(<= 1 |__VERIFIER_assert_#in~cond|)} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {407#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 19:46:24,607 INFO L290 TraceCheckUtils]: 21: Hoare triple {407#(<= 1 __VERIFIER_assert_~cond)} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {338#false} is VALID [2022-04-27 19:46:24,608 INFO L290 TraceCheckUtils]: 22: Hoare triple {338#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {338#false} is VALID [2022-04-27 19:46:24,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-27 19:46:24,608 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 19:46:24,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 19:46:24,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133301621] [2022-04-27 19:46:24,608 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 19:46:24,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962868213] [2022-04-27 19:46:24,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962868213] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 19:46:24,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 19:46:24,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-27 19:46:24,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477145808] [2022-04-27 19:46:24,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 19:46:24,609 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-04-27 19:46:24,610 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 19:46:24,610 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-27 19:46:24,625 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:46:24,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-27 19:46:24,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 19:46:24,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-27 19:46:24,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-04-27 19:46:24,626 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-27 19:46:24,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:46:24,822 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2022-04-27 19:46:24,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-27 19:46:24,822 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-04-27 19:46:24,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 19:46:24,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-27 19:46:24,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 42 transitions. [2022-04-27 19:46:24,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-27 19:46:24,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 42 transitions. [2022-04-27 19:46:24,826 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 42 transitions. [2022-04-27 19:46:24,862 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:46:24,863 INFO L225 Difference]: With dead ends: 35 [2022-04-27 19:46:24,863 INFO L226 Difference]: Without dead ends: 35 [2022-04-27 19:46:24,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-04-27 19:46:24,864 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 21 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 19:46:24,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 98 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 19:46:24,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-27 19:46:24,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2022-04-27 19:46:24,867 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 19:46:24,867 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-27 19:46:24,867 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-27 19:46:24,868 INFO L87 Difference]: Start difference. First operand 35 states. Second operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-27 19:46:24,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:46:24,869 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2022-04-27 19:46:24,869 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-04-27 19:46:24,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:46:24,870 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:46:24,870 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand 35 states. [2022-04-27 19:46:24,870 INFO L87 Difference]: Start difference. First operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand 35 states. [2022-04-27 19:46:24,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:46:24,872 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2022-04-27 19:46:24,872 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-04-27 19:46:24,872 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:46:24,872 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:46:24,872 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 19:46:24,872 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 19:46:24,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-27 19:46:24,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2022-04-27 19:46:24,874 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 23 [2022-04-27 19:46:24,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 19:46:24,874 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2022-04-27 19:46:24,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-27 19:46:24,874 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-04-27 19:46:24,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-04-27 19:46:24,875 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:46:24,875 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:46:24,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-04-27 19:46:25,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-27 19:46:25,098 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:46:25,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:46:25,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1179905874, now seen corresponding path program 1 times [2022-04-27 19:46:25,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:46:25,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693450959] [2022-04-27 19:46:25,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:46:25,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:46:25,123 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 19:46:25,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1122156299] [2022-04-27 19:46:25,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:46:25,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:46:25,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:46:25,125 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 19:46:25,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-27 19:46:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:46:25,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-27 19:46:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:46:25,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 19:46:25,314 INFO L272 TraceCheckUtils]: 0: Hoare triple {554#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-27 19:46:25,314 INFO L290 TraceCheckUtils]: 1: Hoare triple {554#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {554#true} is VALID [2022-04-27 19:46:25,314 INFO L290 TraceCheckUtils]: 2: Hoare triple {554#true} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-27 19:46:25,315 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {554#true} {554#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-27 19:46:25,315 INFO L272 TraceCheckUtils]: 4: Hoare triple {554#true} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-27 19:46:25,315 INFO L290 TraceCheckUtils]: 5: Hoare triple {554#true} [74] mainENTRY-->L29: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~x2~0_4 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_4, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_5, main_~y2~0=v_main_~y2~0_6, main_~y1~0=v_main_~y1~0_4} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {554#true} is VALID [2022-04-27 19:46:25,315 INFO L272 TraceCheckUtils]: 6: Hoare triple {554#true} [76] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {554#true} is VALID [2022-04-27 19:46:25,315 INFO L290 TraceCheckUtils]: 7: Hoare triple {554#true} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {554#true} is VALID [2022-04-27 19:46:25,315 INFO L290 TraceCheckUtils]: 8: Hoare triple {554#true} [81] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-27 19:46:25,315 INFO L290 TraceCheckUtils]: 9: Hoare triple {554#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-27 19:46:25,316 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {554#true} {554#true} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {554#true} is VALID [2022-04-27 19:46:25,316 INFO L272 TraceCheckUtils]: 11: Hoare triple {554#true} [77] L29-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {554#true} is VALID [2022-04-27 19:46:25,316 INFO L290 TraceCheckUtils]: 12: Hoare triple {554#true} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {554#true} is VALID [2022-04-27 19:46:25,316 INFO L290 TraceCheckUtils]: 13: Hoare triple {554#true} [81] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-27 19:46:25,316 INFO L290 TraceCheckUtils]: 14: Hoare triple {554#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-27 19:46:25,316 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {554#true} {554#true} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {554#true} is VALID [2022-04-27 19:46:25,316 INFO L290 TraceCheckUtils]: 16: Hoare triple {554#true} [79] L30-->L41-2: Formula: (and (= v_main_~y1~0_5 0) (= v_main_~y2~0_7 0) (= v_main_~x1~0_6 v_main_~y3~0_6)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_6, main_~y2~0=v_main_~y2~0_7, main_~y1~0=v_main_~y1~0_5} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {554#true} is VALID [2022-04-27 19:46:25,316 INFO L290 TraceCheckUtils]: 17: Hoare triple {554#true} [83] L41-2-->L36-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {554#true} is VALID [2022-04-27 19:46:25,317 INFO L290 TraceCheckUtils]: 18: Hoare triple {554#true} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {554#true} is VALID [2022-04-27 19:46:25,317 INFO L272 TraceCheckUtils]: 19: Hoare triple {554#true} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {554#true} is VALID [2022-04-27 19:46:25,317 INFO L290 TraceCheckUtils]: 20: Hoare triple {554#true} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {619#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-27 19:46:25,317 INFO L290 TraceCheckUtils]: 21: Hoare triple {619#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [93] L16-->L16-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {623#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 19:46:25,318 INFO L290 TraceCheckUtils]: 22: Hoare triple {623#(not (= |__VERIFIER_assert_#in~cond| 0))} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {623#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 19:46:25,319 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {623#(not (= |__VERIFIER_assert_#in~cond| 0))} {554#true} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {630#(= (+ (* main_~x2~0 main_~y1~0) main_~y3~0 main_~y2~0) main_~x1~0)} is VALID [2022-04-27 19:46:25,319 INFO L290 TraceCheckUtils]: 24: Hoare triple {630#(= (+ (* main_~x2~0 main_~y1~0) main_~y3~0 main_~y2~0) main_~x1~0)} [94] L37-1-->L36-3: Formula: (= v_main_~y3~0_8 0) InVars {main_~y3~0=v_main_~y3~0_8} OutVars{main_~y3~0=v_main_~y3~0_8} AuxVars[] AssignedVars[] {634#(= (+ (* main_~x2~0 main_~y1~0) main_~y2~0) main_~x1~0)} is VALID [2022-04-27 19:46:25,320 INFO L272 TraceCheckUtils]: 25: Hoare triple {634#(= (+ (* main_~x2~0 main_~y1~0) main_~y2~0) main_~x1~0)} [85] L36-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {638#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 19:46:25,320 INFO L290 TraceCheckUtils]: 26: Hoare triple {638#(<= 1 |__VERIFIER_assert_#in~cond|)} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {642#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 19:46:25,321 INFO L290 TraceCheckUtils]: 27: Hoare triple {642#(<= 1 __VERIFIER_assert_~cond)} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {555#false} is VALID [2022-04-27 19:46:25,322 INFO L290 TraceCheckUtils]: 28: Hoare triple {555#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {555#false} is VALID [2022-04-27 19:46:25,322 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-27 19:46:25,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 19:46:31,793 INFO L290 TraceCheckUtils]: 28: Hoare triple {555#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {555#false} is VALID [2022-04-27 19:46:31,798 INFO L290 TraceCheckUtils]: 27: Hoare triple {642#(<= 1 __VERIFIER_assert_~cond)} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {555#false} is VALID [2022-04-27 19:46:31,799 INFO L290 TraceCheckUtils]: 26: Hoare triple {638#(<= 1 |__VERIFIER_assert_#in~cond|)} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {642#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 19:46:31,800 INFO L272 TraceCheckUtils]: 25: Hoare triple {634#(= (+ (* main_~x2~0 main_~y1~0) main_~y2~0) main_~x1~0)} [85] L36-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {638#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 19:46:31,800 INFO L290 TraceCheckUtils]: 24: Hoare triple {661#(or (not (= main_~y3~0 0)) (= (+ (* main_~x2~0 main_~y1~0) main_~y2~0) main_~x1~0))} [94] L37-1-->L36-3: Formula: (= v_main_~y3~0_8 0) InVars {main_~y3~0=v_main_~y3~0_8} OutVars{main_~y3~0=v_main_~y3~0_8} AuxVars[] AssignedVars[] {634#(= (+ (* main_~x2~0 main_~y1~0) main_~y2~0) main_~x1~0)} is VALID [2022-04-27 19:46:31,801 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {623#(not (= |__VERIFIER_assert_#in~cond| 0))} {554#true} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {661#(or (not (= main_~y3~0 0)) (= (+ (* main_~x2~0 main_~y1~0) main_~y2~0) main_~x1~0))} is VALID [2022-04-27 19:46:31,801 INFO L290 TraceCheckUtils]: 22: Hoare triple {623#(not (= |__VERIFIER_assert_#in~cond| 0))} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {623#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 19:46:31,802 INFO L290 TraceCheckUtils]: 21: Hoare triple {674#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} [93] L16-->L16-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {623#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 19:46:31,802 INFO L290 TraceCheckUtils]: 20: Hoare triple {554#true} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {674#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-27 19:46:31,803 INFO L272 TraceCheckUtils]: 19: Hoare triple {554#true} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {554#true} is VALID [2022-04-27 19:46:31,803 INFO L290 TraceCheckUtils]: 18: Hoare triple {554#true} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {554#true} is VALID [2022-04-27 19:46:31,804 INFO L290 TraceCheckUtils]: 17: Hoare triple {554#true} [83] L41-2-->L36-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {554#true} is VALID [2022-04-27 19:46:31,805 INFO L290 TraceCheckUtils]: 16: Hoare triple {554#true} [79] L30-->L41-2: Formula: (and (= v_main_~y1~0_5 0) (= v_main_~y2~0_7 0) (= v_main_~x1~0_6 v_main_~y3~0_6)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_6, main_~y2~0=v_main_~y2~0_7, main_~y1~0=v_main_~y1~0_5} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {554#true} is VALID [2022-04-27 19:46:31,806 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {554#true} {554#true} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {554#true} is VALID [2022-04-27 19:46:31,808 INFO L290 TraceCheckUtils]: 14: Hoare triple {554#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-27 19:46:31,808 INFO L290 TraceCheckUtils]: 13: Hoare triple {554#true} [81] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-27 19:46:31,808 INFO L290 TraceCheckUtils]: 12: Hoare triple {554#true} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {554#true} is VALID [2022-04-27 19:46:31,808 INFO L272 TraceCheckUtils]: 11: Hoare triple {554#true} [77] L29-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {554#true} is VALID [2022-04-27 19:46:31,808 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {554#true} {554#true} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {554#true} is VALID [2022-04-27 19:46:31,809 INFO L290 TraceCheckUtils]: 9: Hoare triple {554#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-27 19:46:31,809 INFO L290 TraceCheckUtils]: 8: Hoare triple {554#true} [81] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-27 19:46:31,809 INFO L290 TraceCheckUtils]: 7: Hoare triple {554#true} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {554#true} is VALID [2022-04-27 19:46:31,809 INFO L272 TraceCheckUtils]: 6: Hoare triple {554#true} [76] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {554#true} is VALID [2022-04-27 19:46:31,809 INFO L290 TraceCheckUtils]: 5: Hoare triple {554#true} [74] mainENTRY-->L29: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~x2~0_4 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_4, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_5, main_~y2~0=v_main_~y2~0_6, main_~y1~0=v_main_~y1~0_4} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {554#true} is VALID [2022-04-27 19:46:31,809 INFO L272 TraceCheckUtils]: 4: Hoare triple {554#true} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-27 19:46:31,809 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {554#true} {554#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-27 19:46:31,819 INFO L290 TraceCheckUtils]: 2: Hoare triple {554#true} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-27 19:46:31,820 INFO L290 TraceCheckUtils]: 1: Hoare triple {554#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {554#true} is VALID [2022-04-27 19:46:31,820 INFO L272 TraceCheckUtils]: 0: Hoare triple {554#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-27 19:46:31,820 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-27 19:46:31,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 19:46:31,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693450959] [2022-04-27 19:46:31,820 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 19:46:31,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122156299] [2022-04-27 19:46:31,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122156299] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-27 19:46:31,820 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-27 19:46:31,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2022-04-27 19:46:31,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632411635] [2022-04-27 19:46:31,821 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-27 19:46:31,821 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 29 [2022-04-27 19:46:31,821 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 19:46:31,822 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-27 19:46:31,845 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:46:31,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-27 19:46:31,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 19:46:31,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-27 19:46:31,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-04-27 19:46:31,847 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-27 19:46:32,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:46:32,046 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2022-04-27 19:46:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-27 19:46:32,047 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 29 [2022-04-27 19:46:32,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 19:46:32,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-27 19:46:32,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 34 transitions. [2022-04-27 19:46:32,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-27 19:46:32,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 34 transitions. [2022-04-27 19:46:32,049 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 34 transitions. [2022-04-27 19:46:32,080 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:46:32,081 INFO L225 Difference]: With dead ends: 37 [2022-04-27 19:46:32,081 INFO L226 Difference]: Without dead ends: 34 [2022-04-27 19:46:32,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-04-27 19:46:32,082 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 21 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 19:46:32,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 115 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 19:46:32,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-04-27 19:46:32,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 29. [2022-04-27 19:46:32,084 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 19:46:32,084 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-27 19:46:32,084 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-27 19:46:32,084 INFO L87 Difference]: Start difference. First operand 34 states. Second operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-27 19:46:32,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:46:32,086 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2022-04-27 19:46:32,086 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2022-04-27 19:46:32,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:46:32,086 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:46:32,086 INFO L74 IsIncluded]: Start isIncluded. First operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 34 states. [2022-04-27 19:46:32,086 INFO L87 Difference]: Start difference. First operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 34 states. [2022-04-27 19:46:32,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:46:32,087 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2022-04-27 19:46:32,088 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2022-04-27 19:46:32,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:46:32,088 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:46:32,088 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 19:46:32,088 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 19:46:32,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-27 19:46:32,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-04-27 19:46:32,089 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 29 [2022-04-27 19:46:32,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 19:46:32,089 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-04-27 19:46:32,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-27 19:46:32,089 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-04-27 19:46:32,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-04-27 19:46:32,090 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:46:32,090 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:46:32,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-27 19:46:32,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:46:32,304 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:46:32,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:46:32,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1668946595, now seen corresponding path program 1 times [2022-04-27 19:46:32,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:46:32,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023273716] [2022-04-27 19:46:32,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:46:32,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:46:32,326 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 19:46:32,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1850982583] [2022-04-27 19:46:32,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:46:32,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:46:32,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:46:32,329 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 19:46:32,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-27 19:46:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:46:32,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-27 19:46:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:46:32,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 19:46:32,512 INFO L272 TraceCheckUtils]: 0: Hoare triple {877#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {877#true} is VALID [2022-04-27 19:46:32,512 INFO L290 TraceCheckUtils]: 1: Hoare triple {877#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {885#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:32,513 INFO L290 TraceCheckUtils]: 2: Hoare triple {885#(<= ~counter~0 0)} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {885#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:32,513 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {885#(<= ~counter~0 0)} {877#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {885#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:32,514 INFO L272 TraceCheckUtils]: 4: Hoare triple {885#(<= ~counter~0 0)} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {885#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:32,514 INFO L290 TraceCheckUtils]: 5: Hoare triple {885#(<= ~counter~0 0)} [74] mainENTRY-->L29: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~x2~0_4 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_4, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_5, main_~y2~0=v_main_~y2~0_6, main_~y1~0=v_main_~y1~0_4} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {885#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:32,514 INFO L272 TraceCheckUtils]: 6: Hoare triple {885#(<= ~counter~0 0)} [76] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {885#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:32,515 INFO L290 TraceCheckUtils]: 7: Hoare triple {885#(<= ~counter~0 0)} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {885#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:32,515 INFO L290 TraceCheckUtils]: 8: Hoare triple {885#(<= ~counter~0 0)} [81] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {885#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:32,515 INFO L290 TraceCheckUtils]: 9: Hoare triple {885#(<= ~counter~0 0)} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {885#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:32,516 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {885#(<= ~counter~0 0)} {885#(<= ~counter~0 0)} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {885#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:32,517 INFO L272 TraceCheckUtils]: 11: Hoare triple {885#(<= ~counter~0 0)} [77] L29-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {885#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:32,517 INFO L290 TraceCheckUtils]: 12: Hoare triple {885#(<= ~counter~0 0)} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {885#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:32,517 INFO L290 TraceCheckUtils]: 13: Hoare triple {885#(<= ~counter~0 0)} [81] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {885#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:32,518 INFO L290 TraceCheckUtils]: 14: Hoare triple {885#(<= ~counter~0 0)} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {885#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:32,518 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {885#(<= ~counter~0 0)} {885#(<= ~counter~0 0)} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {885#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:32,518 INFO L290 TraceCheckUtils]: 16: Hoare triple {885#(<= ~counter~0 0)} [79] L30-->L41-2: Formula: (and (= v_main_~y1~0_5 0) (= v_main_~y2~0_7 0) (= v_main_~x1~0_6 v_main_~y3~0_6)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_6, main_~y2~0=v_main_~y2~0_7, main_~y1~0=v_main_~y1~0_5} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {885#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:32,519 INFO L290 TraceCheckUtils]: 17: Hoare triple {885#(<= ~counter~0 0)} [83] L41-2-->L36-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {934#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:32,519 INFO L290 TraceCheckUtils]: 18: Hoare triple {934#(<= ~counter~0 1)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {934#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:32,520 INFO L272 TraceCheckUtils]: 19: Hoare triple {934#(<= ~counter~0 1)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {934#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:32,520 INFO L290 TraceCheckUtils]: 20: Hoare triple {934#(<= ~counter~0 1)} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {934#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:32,520 INFO L290 TraceCheckUtils]: 21: Hoare triple {934#(<= ~counter~0 1)} [93] L16-->L16-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {934#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:32,521 INFO L290 TraceCheckUtils]: 22: Hoare triple {934#(<= ~counter~0 1)} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {934#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:32,521 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {934#(<= ~counter~0 1)} {934#(<= ~counter~0 1)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {934#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:32,522 INFO L290 TraceCheckUtils]: 24: Hoare triple {934#(<= ~counter~0 1)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {934#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:32,522 INFO L290 TraceCheckUtils]: 25: Hoare triple {934#(<= ~counter~0 1)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {934#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:32,522 INFO L290 TraceCheckUtils]: 26: Hoare triple {934#(<= ~counter~0 1)} [83] L41-2-->L36-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {962#(<= |main_#t~post6| 1)} is VALID [2022-04-27 19:46:32,523 INFO L290 TraceCheckUtils]: 27: Hoare triple {962#(<= |main_#t~post6| 1)} [86] L36-1-->L36-3: Formula: (not (< |v_main_#t~post6_3| 5)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {878#false} is VALID [2022-04-27 19:46:32,523 INFO L272 TraceCheckUtils]: 28: Hoare triple {878#false} [85] L36-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {878#false} is VALID [2022-04-27 19:46:32,523 INFO L290 TraceCheckUtils]: 29: Hoare triple {878#false} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {878#false} is VALID [2022-04-27 19:46:32,523 INFO L290 TraceCheckUtils]: 30: Hoare triple {878#false} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {878#false} is VALID [2022-04-27 19:46:32,523 INFO L290 TraceCheckUtils]: 31: Hoare triple {878#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {878#false} is VALID [2022-04-27 19:46:32,523 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-27 19:46:32,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 19:46:32,690 INFO L290 TraceCheckUtils]: 31: Hoare triple {878#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {878#false} is VALID [2022-04-27 19:46:32,690 INFO L290 TraceCheckUtils]: 30: Hoare triple {878#false} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {878#false} is VALID [2022-04-27 19:46:32,690 INFO L290 TraceCheckUtils]: 29: Hoare triple {878#false} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {878#false} is VALID [2022-04-27 19:46:32,691 INFO L272 TraceCheckUtils]: 28: Hoare triple {878#false} [85] L36-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {878#false} is VALID [2022-04-27 19:46:32,691 INFO L290 TraceCheckUtils]: 27: Hoare triple {990#(< |main_#t~post6| 5)} [86] L36-1-->L36-3: Formula: (not (< |v_main_#t~post6_3| 5)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {878#false} is VALID [2022-04-27 19:46:32,692 INFO L290 TraceCheckUtils]: 26: Hoare triple {994#(< ~counter~0 5)} [83] L41-2-->L36-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {990#(< |main_#t~post6| 5)} is VALID [2022-04-27 19:46:32,692 INFO L290 TraceCheckUtils]: 25: Hoare triple {994#(< ~counter~0 5)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {994#(< ~counter~0 5)} is VALID [2022-04-27 19:46:32,692 INFO L290 TraceCheckUtils]: 24: Hoare triple {994#(< ~counter~0 5)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {994#(< ~counter~0 5)} is VALID [2022-04-27 19:46:32,693 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {877#true} {994#(< ~counter~0 5)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {994#(< ~counter~0 5)} is VALID [2022-04-27 19:46:32,693 INFO L290 TraceCheckUtils]: 22: Hoare triple {877#true} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {877#true} is VALID [2022-04-27 19:46:32,693 INFO L290 TraceCheckUtils]: 21: Hoare triple {877#true} [93] L16-->L16-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {877#true} is VALID [2022-04-27 19:46:32,694 INFO L290 TraceCheckUtils]: 20: Hoare triple {877#true} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {877#true} is VALID [2022-04-27 19:46:32,694 INFO L272 TraceCheckUtils]: 19: Hoare triple {994#(< ~counter~0 5)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {877#true} is VALID [2022-04-27 19:46:32,694 INFO L290 TraceCheckUtils]: 18: Hoare triple {994#(< ~counter~0 5)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {994#(< ~counter~0 5)} is VALID [2022-04-27 19:46:32,694 INFO L290 TraceCheckUtils]: 17: Hoare triple {1022#(< ~counter~0 4)} [83] L41-2-->L36-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {994#(< ~counter~0 5)} is VALID [2022-04-27 19:46:32,695 INFO L290 TraceCheckUtils]: 16: Hoare triple {1022#(< ~counter~0 4)} [79] L30-->L41-2: Formula: (and (= v_main_~y1~0_5 0) (= v_main_~y2~0_7 0) (= v_main_~x1~0_6 v_main_~y3~0_6)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_6, main_~y2~0=v_main_~y2~0_7, main_~y1~0=v_main_~y1~0_5} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1022#(< ~counter~0 4)} is VALID [2022-04-27 19:46:32,695 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {877#true} {1022#(< ~counter~0 4)} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {1022#(< ~counter~0 4)} is VALID [2022-04-27 19:46:32,695 INFO L290 TraceCheckUtils]: 14: Hoare triple {877#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {877#true} is VALID [2022-04-27 19:46:32,698 INFO L290 TraceCheckUtils]: 13: Hoare triple {877#true} [81] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {877#true} is VALID [2022-04-27 19:46:32,698 INFO L290 TraceCheckUtils]: 12: Hoare triple {877#true} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {877#true} is VALID [2022-04-27 19:46:32,698 INFO L272 TraceCheckUtils]: 11: Hoare triple {1022#(< ~counter~0 4)} [77] L29-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {877#true} is VALID [2022-04-27 19:46:32,699 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {877#true} {1022#(< ~counter~0 4)} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {1022#(< ~counter~0 4)} is VALID [2022-04-27 19:46:32,699 INFO L290 TraceCheckUtils]: 9: Hoare triple {877#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {877#true} is VALID [2022-04-27 19:46:32,699 INFO L290 TraceCheckUtils]: 8: Hoare triple {877#true} [81] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {877#true} is VALID [2022-04-27 19:46:32,699 INFO L290 TraceCheckUtils]: 7: Hoare triple {877#true} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {877#true} is VALID [2022-04-27 19:46:32,699 INFO L272 TraceCheckUtils]: 6: Hoare triple {1022#(< ~counter~0 4)} [76] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {877#true} is VALID [2022-04-27 19:46:32,699 INFO L290 TraceCheckUtils]: 5: Hoare triple {1022#(< ~counter~0 4)} [74] mainENTRY-->L29: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~x2~0_4 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_4, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_5, main_~y2~0=v_main_~y2~0_6, main_~y1~0=v_main_~y1~0_4} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1022#(< ~counter~0 4)} is VALID [2022-04-27 19:46:32,700 INFO L272 TraceCheckUtils]: 4: Hoare triple {1022#(< ~counter~0 4)} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1022#(< ~counter~0 4)} is VALID [2022-04-27 19:46:32,700 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1022#(< ~counter~0 4)} {877#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1022#(< ~counter~0 4)} is VALID [2022-04-27 19:46:32,703 INFO L290 TraceCheckUtils]: 2: Hoare triple {1022#(< ~counter~0 4)} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1022#(< ~counter~0 4)} is VALID [2022-04-27 19:46:32,703 INFO L290 TraceCheckUtils]: 1: Hoare triple {877#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {1022#(< ~counter~0 4)} is VALID [2022-04-27 19:46:32,704 INFO L272 TraceCheckUtils]: 0: Hoare triple {877#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {877#true} is VALID [2022-04-27 19:46:32,704 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-27 19:46:32,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 19:46:32,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023273716] [2022-04-27 19:46:32,704 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 19:46:32,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850982583] [2022-04-27 19:46:32,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850982583] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-27 19:46:32,704 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-27 19:46:32,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-04-27 19:46:32,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790786250] [2022-04-27 19:46:32,705 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-27 19:46:32,705 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 32 [2022-04-27 19:46:32,705 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 19:46:32,705 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2022-04-27 19:46:32,742 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:46:32,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-27 19:46:32,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 19:46:32,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-27 19:46:32,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-04-27 19:46:32,743 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2022-04-27 19:46:32,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:46:32,878 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2022-04-27 19:46:32,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-27 19:46:32,879 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 32 [2022-04-27 19:46:32,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 19:46:32,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2022-04-27 19:46:32,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 63 transitions. [2022-04-27 19:46:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2022-04-27 19:46:32,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 63 transitions. [2022-04-27 19:46:32,882 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 63 transitions. [2022-04-27 19:46:32,923 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:46:32,924 INFO L225 Difference]: With dead ends: 56 [2022-04-27 19:46:32,924 INFO L226 Difference]: Without dead ends: 56 [2022-04-27 19:46:32,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-04-27 19:46:32,925 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 25 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 19:46:32,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 128 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 19:46:32,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-04-27 19:46:32,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-04-27 19:46:32,928 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 19:46:32,928 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-27 19:46:32,929 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-27 19:46:32,929 INFO L87 Difference]: Start difference. First operand 56 states. Second operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-27 19:46:32,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:46:32,931 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2022-04-27 19:46:32,931 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2022-04-27 19:46:32,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:46:32,931 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:46:32,931 INFO L74 IsIncluded]: Start isIncluded. First operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 56 states. [2022-04-27 19:46:32,932 INFO L87 Difference]: Start difference. First operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 56 states. [2022-04-27 19:46:32,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:46:32,933 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2022-04-27 19:46:32,933 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2022-04-27 19:46:32,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:46:32,933 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:46:32,934 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 19:46:32,934 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 19:46:32,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-27 19:46:32,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2022-04-27 19:46:32,935 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 32 [2022-04-27 19:46:32,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 19:46:32,935 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2022-04-27 19:46:32,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2022-04-27 19:46:32,936 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2022-04-27 19:46:32,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-04-27 19:46:32,936 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:46:32,936 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:46:32,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-04-27 19:46:33,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:46:33,152 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:46:33,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:46:33,152 INFO L85 PathProgramCache]: Analyzing trace with hash -906969448, now seen corresponding path program 2 times [2022-04-27 19:46:33,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:46:33,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359953957] [2022-04-27 19:46:33,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:46:33,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:46:33,172 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 19:46:33,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [331641629] [2022-04-27 19:46:33,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-27 19:46:33,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:46:33,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:46:33,174 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 19:46:33,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-27 19:46:33,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-27 19:46:33,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-27 19:46:33,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-27 19:46:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:46:33,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 19:46:33,487 INFO L272 TraceCheckUtils]: 0: Hoare triple {1306#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-27 19:46:33,488 INFO L290 TraceCheckUtils]: 1: Hoare triple {1306#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,488 INFO L290 TraceCheckUtils]: 2: Hoare triple {1314#(<= ~counter~0 0)} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,488 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1314#(<= ~counter~0 0)} {1306#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,489 INFO L272 TraceCheckUtils]: 4: Hoare triple {1314#(<= ~counter~0 0)} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,489 INFO L290 TraceCheckUtils]: 5: Hoare triple {1314#(<= ~counter~0 0)} [74] mainENTRY-->L29: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~x2~0_4 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_4, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_5, main_~y2~0=v_main_~y2~0_6, main_~y1~0=v_main_~y1~0_4} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,490 INFO L272 TraceCheckUtils]: 6: Hoare triple {1314#(<= ~counter~0 0)} [76] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,490 INFO L290 TraceCheckUtils]: 7: Hoare triple {1314#(<= ~counter~0 0)} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,490 INFO L290 TraceCheckUtils]: 8: Hoare triple {1314#(<= ~counter~0 0)} [81] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,490 INFO L290 TraceCheckUtils]: 9: Hoare triple {1314#(<= ~counter~0 0)} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,491 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1314#(<= ~counter~0 0)} {1314#(<= ~counter~0 0)} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,491 INFO L272 TraceCheckUtils]: 11: Hoare triple {1314#(<= ~counter~0 0)} [77] L29-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,491 INFO L290 TraceCheckUtils]: 12: Hoare triple {1314#(<= ~counter~0 0)} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,492 INFO L290 TraceCheckUtils]: 13: Hoare triple {1314#(<= ~counter~0 0)} [81] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,492 INFO L290 TraceCheckUtils]: 14: Hoare triple {1314#(<= ~counter~0 0)} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,492 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1314#(<= ~counter~0 0)} {1314#(<= ~counter~0 0)} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,493 INFO L290 TraceCheckUtils]: 16: Hoare triple {1314#(<= ~counter~0 0)} [79] L30-->L41-2: Formula: (and (= v_main_~y1~0_5 0) (= v_main_~y2~0_7 0) (= v_main_~x1~0_6 v_main_~y3~0_6)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_6, main_~y2~0=v_main_~y2~0_7, main_~y1~0=v_main_~y1~0_5} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,493 INFO L290 TraceCheckUtils]: 17: Hoare triple {1314#(<= ~counter~0 0)} [83] L41-2-->L36-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1363#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:33,493 INFO L290 TraceCheckUtils]: 18: Hoare triple {1363#(<= ~counter~0 1)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1363#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:33,494 INFO L272 TraceCheckUtils]: 19: Hoare triple {1363#(<= ~counter~0 1)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1363#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:33,494 INFO L290 TraceCheckUtils]: 20: Hoare triple {1363#(<= ~counter~0 1)} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1363#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:33,495 INFO L290 TraceCheckUtils]: 21: Hoare triple {1363#(<= ~counter~0 1)} [93] L16-->L16-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1363#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:33,495 INFO L290 TraceCheckUtils]: 22: Hoare triple {1363#(<= ~counter~0 1)} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1363#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:33,495 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1363#(<= ~counter~0 1)} {1363#(<= ~counter~0 1)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1363#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:33,497 INFO L290 TraceCheckUtils]: 24: Hoare triple {1363#(<= ~counter~0 1)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {1363#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:33,497 INFO L290 TraceCheckUtils]: 25: Hoare triple {1363#(<= ~counter~0 1)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1363#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:33,498 INFO L290 TraceCheckUtils]: 26: Hoare triple {1363#(<= ~counter~0 1)} [83] L41-2-->L36-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1391#(<= ~counter~0 2)} is VALID [2022-04-27 19:46:33,498 INFO L290 TraceCheckUtils]: 27: Hoare triple {1391#(<= ~counter~0 2)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1391#(<= ~counter~0 2)} is VALID [2022-04-27 19:46:33,499 INFO L272 TraceCheckUtils]: 28: Hoare triple {1391#(<= ~counter~0 2)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1391#(<= ~counter~0 2)} is VALID [2022-04-27 19:46:33,499 INFO L290 TraceCheckUtils]: 29: Hoare triple {1391#(<= ~counter~0 2)} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1391#(<= ~counter~0 2)} is VALID [2022-04-27 19:46:33,499 INFO L290 TraceCheckUtils]: 30: Hoare triple {1391#(<= ~counter~0 2)} [93] L16-->L16-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1391#(<= ~counter~0 2)} is VALID [2022-04-27 19:46:33,500 INFO L290 TraceCheckUtils]: 31: Hoare triple {1391#(<= ~counter~0 2)} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1391#(<= ~counter~0 2)} is VALID [2022-04-27 19:46:33,500 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {1391#(<= ~counter~0 2)} {1391#(<= ~counter~0 2)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1391#(<= ~counter~0 2)} is VALID [2022-04-27 19:46:33,500 INFO L290 TraceCheckUtils]: 33: Hoare triple {1391#(<= ~counter~0 2)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {1391#(<= ~counter~0 2)} is VALID [2022-04-27 19:46:33,501 INFO L290 TraceCheckUtils]: 34: Hoare triple {1391#(<= ~counter~0 2)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1391#(<= ~counter~0 2)} is VALID [2022-04-27 19:46:33,501 INFO L290 TraceCheckUtils]: 35: Hoare triple {1391#(<= ~counter~0 2)} [83] L41-2-->L36-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1419#(<= ~counter~0 3)} is VALID [2022-04-27 19:46:33,501 INFO L290 TraceCheckUtils]: 36: Hoare triple {1419#(<= ~counter~0 3)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1419#(<= ~counter~0 3)} is VALID [2022-04-27 19:46:33,502 INFO L272 TraceCheckUtils]: 37: Hoare triple {1419#(<= ~counter~0 3)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1419#(<= ~counter~0 3)} is VALID [2022-04-27 19:46:33,502 INFO L290 TraceCheckUtils]: 38: Hoare triple {1419#(<= ~counter~0 3)} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1419#(<= ~counter~0 3)} is VALID [2022-04-27 19:46:33,502 INFO L290 TraceCheckUtils]: 39: Hoare triple {1419#(<= ~counter~0 3)} [93] L16-->L16-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1419#(<= ~counter~0 3)} is VALID [2022-04-27 19:46:33,503 INFO L290 TraceCheckUtils]: 40: Hoare triple {1419#(<= ~counter~0 3)} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1419#(<= ~counter~0 3)} is VALID [2022-04-27 19:46:33,503 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {1419#(<= ~counter~0 3)} {1419#(<= ~counter~0 3)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1419#(<= ~counter~0 3)} is VALID [2022-04-27 19:46:33,504 INFO L290 TraceCheckUtils]: 42: Hoare triple {1419#(<= ~counter~0 3)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {1419#(<= ~counter~0 3)} is VALID [2022-04-27 19:46:33,504 INFO L290 TraceCheckUtils]: 43: Hoare triple {1419#(<= ~counter~0 3)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1419#(<= ~counter~0 3)} is VALID [2022-04-27 19:46:33,504 INFO L290 TraceCheckUtils]: 44: Hoare triple {1419#(<= ~counter~0 3)} [83] L41-2-->L36-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1447#(<= ~counter~0 4)} is VALID [2022-04-27 19:46:33,505 INFO L290 TraceCheckUtils]: 45: Hoare triple {1447#(<= ~counter~0 4)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1447#(<= ~counter~0 4)} is VALID [2022-04-27 19:46:33,505 INFO L272 TraceCheckUtils]: 46: Hoare triple {1447#(<= ~counter~0 4)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1447#(<= ~counter~0 4)} is VALID [2022-04-27 19:46:33,505 INFO L290 TraceCheckUtils]: 47: Hoare triple {1447#(<= ~counter~0 4)} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1447#(<= ~counter~0 4)} is VALID [2022-04-27 19:46:33,506 INFO L290 TraceCheckUtils]: 48: Hoare triple {1447#(<= ~counter~0 4)} [93] L16-->L16-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1447#(<= ~counter~0 4)} is VALID [2022-04-27 19:46:33,507 INFO L290 TraceCheckUtils]: 49: Hoare triple {1447#(<= ~counter~0 4)} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1447#(<= ~counter~0 4)} is VALID [2022-04-27 19:46:33,509 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {1447#(<= ~counter~0 4)} {1447#(<= ~counter~0 4)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1447#(<= ~counter~0 4)} is VALID [2022-04-27 19:46:33,510 INFO L290 TraceCheckUtils]: 51: Hoare triple {1447#(<= ~counter~0 4)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {1447#(<= ~counter~0 4)} is VALID [2022-04-27 19:46:33,511 INFO L290 TraceCheckUtils]: 52: Hoare triple {1447#(<= ~counter~0 4)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1447#(<= ~counter~0 4)} is VALID [2022-04-27 19:46:33,511 INFO L290 TraceCheckUtils]: 53: Hoare triple {1447#(<= ~counter~0 4)} [83] L41-2-->L36-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1475#(<= |main_#t~post6| 4)} is VALID [2022-04-27 19:46:33,513 INFO L290 TraceCheckUtils]: 54: Hoare triple {1475#(<= |main_#t~post6| 4)} [86] L36-1-->L36-3: Formula: (not (< |v_main_#t~post6_3| 5)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1307#false} is VALID [2022-04-27 19:46:33,514 INFO L272 TraceCheckUtils]: 55: Hoare triple {1307#false} [85] L36-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1307#false} is VALID [2022-04-27 19:46:33,514 INFO L290 TraceCheckUtils]: 56: Hoare triple {1307#false} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1307#false} is VALID [2022-04-27 19:46:33,514 INFO L290 TraceCheckUtils]: 57: Hoare triple {1307#false} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1307#false} is VALID [2022-04-27 19:46:33,514 INFO L290 TraceCheckUtils]: 58: Hoare triple {1307#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1307#false} is VALID [2022-04-27 19:46:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-27 19:46:33,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 19:46:33,765 INFO L290 TraceCheckUtils]: 58: Hoare triple {1307#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1307#false} is VALID [2022-04-27 19:46:33,765 INFO L290 TraceCheckUtils]: 57: Hoare triple {1307#false} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1307#false} is VALID [2022-04-27 19:46:33,765 INFO L290 TraceCheckUtils]: 56: Hoare triple {1307#false} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1307#false} is VALID [2022-04-27 19:46:33,765 INFO L272 TraceCheckUtils]: 55: Hoare triple {1307#false} [85] L36-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1307#false} is VALID [2022-04-27 19:46:33,766 INFO L290 TraceCheckUtils]: 54: Hoare triple {1475#(<= |main_#t~post6| 4)} [86] L36-1-->L36-3: Formula: (not (< |v_main_#t~post6_3| 5)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1307#false} is VALID [2022-04-27 19:46:33,766 INFO L290 TraceCheckUtils]: 53: Hoare triple {1447#(<= ~counter~0 4)} [83] L41-2-->L36-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1475#(<= |main_#t~post6| 4)} is VALID [2022-04-27 19:46:33,767 INFO L290 TraceCheckUtils]: 52: Hoare triple {1447#(<= ~counter~0 4)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1447#(<= ~counter~0 4)} is VALID [2022-04-27 19:46:33,767 INFO L290 TraceCheckUtils]: 51: Hoare triple {1447#(<= ~counter~0 4)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {1447#(<= ~counter~0 4)} is VALID [2022-04-27 19:46:33,768 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {1306#true} {1447#(<= ~counter~0 4)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1447#(<= ~counter~0 4)} is VALID [2022-04-27 19:46:33,768 INFO L290 TraceCheckUtils]: 49: Hoare triple {1306#true} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-27 19:46:33,768 INFO L290 TraceCheckUtils]: 48: Hoare triple {1306#true} [93] L16-->L16-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-27 19:46:33,768 INFO L290 TraceCheckUtils]: 47: Hoare triple {1306#true} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1306#true} is VALID [2022-04-27 19:46:33,768 INFO L272 TraceCheckUtils]: 46: Hoare triple {1447#(<= ~counter~0 4)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1306#true} is VALID [2022-04-27 19:46:33,768 INFO L290 TraceCheckUtils]: 45: Hoare triple {1447#(<= ~counter~0 4)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1447#(<= ~counter~0 4)} is VALID [2022-04-27 19:46:33,769 INFO L290 TraceCheckUtils]: 44: Hoare triple {1419#(<= ~counter~0 3)} [83] L41-2-->L36-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1447#(<= ~counter~0 4)} is VALID [2022-04-27 19:46:33,769 INFO L290 TraceCheckUtils]: 43: Hoare triple {1419#(<= ~counter~0 3)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1419#(<= ~counter~0 3)} is VALID [2022-04-27 19:46:33,769 INFO L290 TraceCheckUtils]: 42: Hoare triple {1419#(<= ~counter~0 3)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {1419#(<= ~counter~0 3)} is VALID [2022-04-27 19:46:33,770 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {1306#true} {1419#(<= ~counter~0 3)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1419#(<= ~counter~0 3)} is VALID [2022-04-27 19:46:33,770 INFO L290 TraceCheckUtils]: 40: Hoare triple {1306#true} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-27 19:46:33,770 INFO L290 TraceCheckUtils]: 39: Hoare triple {1306#true} [93] L16-->L16-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-27 19:46:33,770 INFO L290 TraceCheckUtils]: 38: Hoare triple {1306#true} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1306#true} is VALID [2022-04-27 19:46:33,770 INFO L272 TraceCheckUtils]: 37: Hoare triple {1419#(<= ~counter~0 3)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1306#true} is VALID [2022-04-27 19:46:33,770 INFO L290 TraceCheckUtils]: 36: Hoare triple {1419#(<= ~counter~0 3)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1419#(<= ~counter~0 3)} is VALID [2022-04-27 19:46:33,771 INFO L290 TraceCheckUtils]: 35: Hoare triple {1391#(<= ~counter~0 2)} [83] L41-2-->L36-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1419#(<= ~counter~0 3)} is VALID [2022-04-27 19:46:33,771 INFO L290 TraceCheckUtils]: 34: Hoare triple {1391#(<= ~counter~0 2)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1391#(<= ~counter~0 2)} is VALID [2022-04-27 19:46:33,771 INFO L290 TraceCheckUtils]: 33: Hoare triple {1391#(<= ~counter~0 2)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {1391#(<= ~counter~0 2)} is VALID [2022-04-27 19:46:33,772 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {1306#true} {1391#(<= ~counter~0 2)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1391#(<= ~counter~0 2)} is VALID [2022-04-27 19:46:33,772 INFO L290 TraceCheckUtils]: 31: Hoare triple {1306#true} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-27 19:46:33,772 INFO L290 TraceCheckUtils]: 30: Hoare triple {1306#true} [93] L16-->L16-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-27 19:46:33,772 INFO L290 TraceCheckUtils]: 29: Hoare triple {1306#true} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1306#true} is VALID [2022-04-27 19:46:33,772 INFO L272 TraceCheckUtils]: 28: Hoare triple {1391#(<= ~counter~0 2)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1306#true} is VALID [2022-04-27 19:46:33,773 INFO L290 TraceCheckUtils]: 27: Hoare triple {1391#(<= ~counter~0 2)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1391#(<= ~counter~0 2)} is VALID [2022-04-27 19:46:33,773 INFO L290 TraceCheckUtils]: 26: Hoare triple {1363#(<= ~counter~0 1)} [83] L41-2-->L36-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1391#(<= ~counter~0 2)} is VALID [2022-04-27 19:46:33,774 INFO L290 TraceCheckUtils]: 25: Hoare triple {1363#(<= ~counter~0 1)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1363#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:33,774 INFO L290 TraceCheckUtils]: 24: Hoare triple {1363#(<= ~counter~0 1)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {1363#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:33,774 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1306#true} {1363#(<= ~counter~0 1)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1363#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:33,774 INFO L290 TraceCheckUtils]: 22: Hoare triple {1306#true} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-27 19:46:33,775 INFO L290 TraceCheckUtils]: 21: Hoare triple {1306#true} [93] L16-->L16-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-27 19:46:33,775 INFO L290 TraceCheckUtils]: 20: Hoare triple {1306#true} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1306#true} is VALID [2022-04-27 19:46:33,775 INFO L272 TraceCheckUtils]: 19: Hoare triple {1363#(<= ~counter~0 1)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1306#true} is VALID [2022-04-27 19:46:33,775 INFO L290 TraceCheckUtils]: 18: Hoare triple {1363#(<= ~counter~0 1)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1363#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:33,775 INFO L290 TraceCheckUtils]: 17: Hoare triple {1314#(<= ~counter~0 0)} [83] L41-2-->L36-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1363#(<= ~counter~0 1)} is VALID [2022-04-27 19:46:33,776 INFO L290 TraceCheckUtils]: 16: Hoare triple {1314#(<= ~counter~0 0)} [79] L30-->L41-2: Formula: (and (= v_main_~y1~0_5 0) (= v_main_~y2~0_7 0) (= v_main_~x1~0_6 v_main_~y3~0_6)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_6, main_~y2~0=v_main_~y2~0_7, main_~y1~0=v_main_~y1~0_5} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,776 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1306#true} {1314#(<= ~counter~0 0)} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,776 INFO L290 TraceCheckUtils]: 14: Hoare triple {1306#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-27 19:46:33,776 INFO L290 TraceCheckUtils]: 13: Hoare triple {1306#true} [81] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-27 19:46:33,776 INFO L290 TraceCheckUtils]: 12: Hoare triple {1306#true} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1306#true} is VALID [2022-04-27 19:46:33,776 INFO L272 TraceCheckUtils]: 11: Hoare triple {1314#(<= ~counter~0 0)} [77] L29-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {1306#true} is VALID [2022-04-27 19:46:33,777 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1306#true} {1314#(<= ~counter~0 0)} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,777 INFO L290 TraceCheckUtils]: 9: Hoare triple {1306#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-27 19:46:33,777 INFO L290 TraceCheckUtils]: 8: Hoare triple {1306#true} [81] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-27 19:46:33,777 INFO L290 TraceCheckUtils]: 7: Hoare triple {1306#true} [78] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1306#true} is VALID [2022-04-27 19:46:33,778 INFO L272 TraceCheckUtils]: 6: Hoare triple {1314#(<= ~counter~0 0)} [76] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {1306#true} is VALID [2022-04-27 19:46:33,778 INFO L290 TraceCheckUtils]: 5: Hoare triple {1314#(<= ~counter~0 0)} [74] mainENTRY-->L29: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~x2~0_4 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_4, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_5, main_~y2~0=v_main_~y2~0_6, main_~y1~0=v_main_~y1~0_4} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,778 INFO L272 TraceCheckUtils]: 4: Hoare triple {1314#(<= ~counter~0 0)} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,778 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1314#(<= ~counter~0 0)} {1306#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,779 INFO L290 TraceCheckUtils]: 2: Hoare triple {1314#(<= ~counter~0 0)} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,779 INFO L290 TraceCheckUtils]: 1: Hoare triple {1306#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {1314#(<= ~counter~0 0)} is VALID [2022-04-27 19:46:33,779 INFO L272 TraceCheckUtils]: 0: Hoare triple {1306#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-27 19:46:33,780 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 38 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-27 19:46:33,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 19:46:33,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359953957] [2022-04-27 19:46:33,780 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 19:46:33,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331641629] [2022-04-27 19:46:33,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331641629] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-27 19:46:33,780 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-27 19:46:33,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2022-04-27 19:46:33,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098682959] [2022-04-27 19:46:33,780 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-27 19:46:33,781 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (15), 7 states have call predecessors, (15), 6 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 59 [2022-04-27 19:46:33,783 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 19:46:33,783 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (15), 7 states have call predecessors, (15), 6 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2022-04-27 19:46:33,826 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:46:33,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-27 19:46:33,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 19:46:33,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-27 19:46:33,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-04-27 19:46:33,827 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (15), 7 states have call predecessors, (15), 6 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2022-04-27 19:46:33,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:46:33,963 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2022-04-27 19:46:33,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-27 19:46:33,963 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (15), 7 states have call predecessors, (15), 6 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 59 [2022-04-27 19:46:33,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 19:46:33,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (15), 7 states have call predecessors, (15), 6 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2022-04-27 19:46:33,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 71 transitions. [2022-04-27 19:46:33,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (15), 7 states have call predecessors, (15), 6 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2022-04-27 19:46:33,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 71 transitions. [2022-04-27 19:46:33,967 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 71 transitions. [2022-04-27 19:46:34,016 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:46:34,017 INFO L225 Difference]: With dead ends: 65 [2022-04-27 19:46:34,017 INFO L226 Difference]: Without dead ends: 65 [2022-04-27 19:46:34,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 110 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-04-27 19:46:34,018 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 25 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 19:46:34,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 102 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 19:46:34,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-04-27 19:46:34,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-04-27 19:46:34,021 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 19:46:34,022 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand has 65 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 19:46:34,022 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand has 65 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 19:46:34,022 INFO L87 Difference]: Start difference. First operand 65 states. Second operand has 65 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 19:46:34,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:46:34,023 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2022-04-27 19:46:34,024 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2022-04-27 19:46:34,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:46:34,024 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:46:34,024 INFO L74 IsIncluded]: Start isIncluded. First operand has 65 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 65 states. [2022-04-27 19:46:34,024 INFO L87 Difference]: Start difference. First operand has 65 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 65 states. [2022-04-27 19:46:34,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:46:34,026 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2022-04-27 19:46:34,026 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2022-04-27 19:46:34,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:46:34,026 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:46:34,026 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 19:46:34,026 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 19:46:34,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 19:46:34,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2022-04-27 19:46:34,028 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 59 [2022-04-27 19:46:34,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 19:46:34,028 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2022-04-27 19:46:34,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (15), 7 states have call predecessors, (15), 6 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2022-04-27 19:46:34,028 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2022-04-27 19:46:34,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-04-27 19:46:34,029 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:46:34,029 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:46:34,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-27 19:46:34,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:46:34,244 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:46:34,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:46:34,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1572135395, now seen corresponding path program 3 times [2022-04-27 19:46:34,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:46:34,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094794200] [2022-04-27 19:46:34,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:46:34,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:46:34,289 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 19:46:34,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1310004544] [2022-04-27 19:46:34,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-27 19:46:34,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:46:34,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:46:34,292 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 19:46:34,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-27 19:46:34,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-04-27 19:46:34,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-04-27 19:46:34,354 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-27 19:46:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-27 19:46:34,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-27 19:46:34,398 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-04-27 19:46:34,412 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-27 19:46:34,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-27 19:46:34,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:46:34,616 INFO L356 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2022-04-27 19:46:34,619 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-27 19:46:34,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 07:46:34 BasicIcfg [2022-04-27 19:46:34,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-27 19:46:34,656 INFO L158 Benchmark]: Toolchain (without parser) took 11957.33ms. Allocated memory was 204.5MB in the beginning and 245.4MB in the end (delta: 40.9MB). Free memory was 149.3MB in the beginning and 161.9MB in the end (delta: -12.6MB). Peak memory consumption was 28.9MB. Max. memory is 8.0GB. [2022-04-27 19:46:34,656 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 204.5MB. Free memory is still 165.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 19:46:34,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.82ms. Allocated memory is still 204.5MB. Free memory was 149.1MB in the beginning and 177.1MB in the end (delta: -28.0MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. [2022-04-27 19:46:34,656 INFO L158 Benchmark]: Boogie Preprocessor took 29.89ms. Allocated memory is still 204.5MB. Free memory was 177.1MB in the beginning and 175.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-27 19:46:34,657 INFO L158 Benchmark]: RCFGBuilder took 210.39ms. Allocated memory is still 204.5MB. Free memory was 175.4MB in the beginning and 164.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-04-27 19:46:34,657 INFO L158 Benchmark]: IcfgTransformer took 32.47ms. Allocated memory is still 204.5MB. Free memory was 164.5MB in the beginning and 162.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-27 19:46:34,657 INFO L158 Benchmark]: TraceAbstraction took 11425.03ms. Allocated memory was 204.5MB in the beginning and 245.4MB in the end (delta: 40.9MB). Free memory was 162.4MB in the beginning and 161.9MB in the end (delta: 561.8kB). Peak memory consumption was 42.3MB. Max. memory is 8.0GB. [2022-04-27 19:46:34,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 204.5MB. Free memory is still 165.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 253.82ms. Allocated memory is still 204.5MB. Free memory was 149.1MB in the beginning and 177.1MB in the end (delta: -28.0MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.89ms. Allocated memory is still 204.5MB. Free memory was 177.1MB in the beginning and 175.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 210.39ms. Allocated memory is still 204.5MB. Free memory was 175.4MB in the beginning and 164.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 32.47ms. Allocated memory is still 204.5MB. Free memory was 164.5MB in the beginning and 162.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 11425.03ms. Allocated memory was 204.5MB in the beginning and 245.4MB in the end (delta: 40.9MB). Free memory was 162.4MB in the beginning and 161.9MB in the end (delta: 561.8kB). Peak memory consumption was 42.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; VAL [\old(counter)=7, counter=0] [L24] int x1, x2; [L25] int y1, y2, y3; [L26] x1 = __VERIFIER_nondet_int() [L27] x2 = __VERIFIER_nondet_int() [L29] CALL assume_abort_if_not(x1 >= 0) VAL [\old(cond)=1, \old(counter)=0, counter=0] [L13] COND FALSE !(!cond) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=0] [L29] RET assume_abort_if_not(x1 >= 0) VAL [\old(counter)=0, counter=0, x1=6, x2=1] [L30] CALL assume_abort_if_not(x2 != 0) VAL [\old(cond)=1, \old(counter)=0, counter=0] [L13] COND FALSE !(!cond) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=0] [L30] RET assume_abort_if_not(x2 != 0) VAL [\old(counter)=0, counter=0, x1=6, x2=1] [L32] y1 = 0 [L33] y2 = 0 [L34] y3 = x1 VAL [\old(counter)=0, counter=0, x1=6, x2=1, y1=0, y2=0, y3=6] [L36] EXPR counter++ VAL [\old(counter)=0, counter=1, counter++=0, x1=6, x2=1, y1=0, y2=0, y3=6] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=1] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=1, x1=6, x2=1, y1=0, y2=0, y3=6] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=1, x1=6, x2=1, y1=0, y2=0, y3=6] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=1, x1=6, x2=1, y1=1, y2=0, y3=5] [L36] EXPR counter++ VAL [\old(counter)=0, counter=2, counter++=1, x1=6, x2=1, y1=1, y2=0, y3=5] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=2] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=2] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=2, x1=6, x2=1, y1=1, y2=0, y3=5] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=2, x1=6, x2=1, y1=1, y2=0, y3=5] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=2, x1=6, x2=1, y1=2, y2=0, y3=4] [L36] EXPR counter++ VAL [\old(counter)=0, counter=3, counter++=2, x1=6, x2=1, y1=2, y2=0, y3=4] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=3] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=3] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=3, x1=6, x2=1, y1=2, y2=0, y3=4] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=3, x1=6, x2=1, y1=2, y2=0, y3=4] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=3, x1=6, x2=1, y1=3, y2=0, y3=3] [L36] EXPR counter++ VAL [\old(counter)=0, counter=4, counter++=3, x1=6, x2=1, y1=3, y2=0, y3=3] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=4] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=4] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=4, x1=6, x2=1, y1=3, y2=0, y3=3] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=4, x1=6, x2=1, y1=3, y2=0, y3=3] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=4, x1=6, x2=1, y1=4, y2=0, y3=2] [L36] EXPR counter++ VAL [\old(counter)=0, counter=5, counter++=4, x1=6, x2=1, y1=4, y2=0, y3=2] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=5] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=5] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=5, x1=6, x2=1, y1=4, y2=0, y3=2] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=5, x1=6, x2=1, y1=4, y2=0, y3=2] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=5, x1=6, x2=1, y1=5, y2=0, y3=1] [L36] EXPR counter++ VAL [\old(counter)=0, counter=6, counter++=5, x1=6, x2=1, y1=5, y2=0, y3=1] [L36] COND FALSE !(counter++<5) [L50] CALL __VERIFIER_assert(y1*x2 + y2 == x1) VAL [\old(cond)=0, \old(counter)=0, counter=6] [L16] COND TRUE !(cond) VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=6] [L18] reach_error() VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 545 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 387 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 209 IncrementalHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 158 mSDtfsCounter, 209 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 303 GetRequests, 260 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=6, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 699 SizeOfPredicates, 18 NumberOfNonLiveVariables, 591 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 82/188 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-04-27 19:46:34,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...