/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/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/ps4-ll_unwindbound5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-08 02:23:05,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-08 02:23:05,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-08 02:23:06,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-08 02:23:06,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-08 02:23:06,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-08 02:23:06,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-08 02:23:06,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-08 02:23:06,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-08 02:23:06,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-08 02:23:06,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-08 02:23:06,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-08 02:23:06,073 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-08 02:23:06,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-08 02:23:06,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-08 02:23:06,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-08 02:23:06,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-08 02:23:06,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-08 02:23:06,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-08 02:23:06,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-08 02:23:06,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-08 02:23:06,101 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-08 02:23:06,137 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-08 02:23:06,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-08 02:23:06,138 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-08 02:23:06,138 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-08 02:23:06,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-08 02:23:06,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-08 02:23:06,139 INFO L138 SettingsManager]: * Use SBE=true [2022-04-08 02:23:06,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-08 02:23:06,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-08 02:23:06,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-08 02:23:06,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-08 02:23:06,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-08 02:23:06,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-08 02:23:06,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-08 02:23:06,140 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-08 02:23:06,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-08 02:23:06,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-08 02:23:06,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-08 02:23:06,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-08 02:23:06,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 02:23:06,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-08 02:23:06,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-08 02:23:06,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-08 02:23:06,141 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-08 02:23:06,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-08 02:23:06,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-08 02:23:06,141 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-08 02:23:06,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-08 02:23:06,142 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-08 02:23:06,142 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-08 02:23:06,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-08 02:23:06,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-08 02:23:06,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-08 02:23:06,454 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-08 02:23:06,455 INFO L275 PluginConnector]: CDTParser initialized [2022-04-08 02:23:06,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/ps4-ll_unwindbound5.c [2022-04-08 02:23:06,519 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9d50c879/8275c05818494c1297a395900529bd20/FLAG909052f51 [2022-04-08 02:23:06,785 INFO L306 CDTParser]: Found 1 translation units. [2022-04-08 02:23:06,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/ps4-ll_unwindbound5.c [2022-04-08 02:23:06,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9d50c879/8275c05818494c1297a395900529bd20/FLAG909052f51 [2022-04-08 02:23:07,228 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9d50c879/8275c05818494c1297a395900529bd20 [2022-04-08 02:23:07,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-08 02:23:07,230 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-08 02:23:07,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-08 02:23:07,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-08 02:23:07,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-08 02:23:07,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 02:23:07" (1/1) ... [2022-04-08 02:23:07,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e304de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:23:07, skipping insertion in model container [2022-04-08 02:23:07,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 02:23:07" (1/1) ... [2022-04-08 02:23:07,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-08 02:23:07,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-08 02:23:07,407 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/ps4-ll_unwindbound5.c[458,471] [2022-04-08 02:23:07,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 02:23:07,442 INFO L203 MainTranslator]: Completed pre-run [2022-04-08 02:23:07,450 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/ps4-ll_unwindbound5.c[458,471] [2022-04-08 02:23:07,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 02:23:07,462 INFO L208 MainTranslator]: Completed translation [2022-04-08 02:23:07,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:23:07 WrapperNode [2022-04-08 02:23:07,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-08 02:23:07,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-08 02:23:07,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-08 02:23:07,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-08 02:23:07,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:23:07" (1/1) ... [2022-04-08 02:23:07,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:23:07" (1/1) ... [2022-04-08 02:23:07,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:23:07" (1/1) ... [2022-04-08 02:23:07,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:23:07" (1/1) ... [2022-04-08 02:23:07,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:23:07" (1/1) ... [2022-04-08 02:23:07,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:23:07" (1/1) ... [2022-04-08 02:23:07,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:23:07" (1/1) ... [2022-04-08 02:23:07,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-08 02:23:07,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-08 02:23:07,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-08 02:23:07,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-08 02:23:07,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:23:07" (1/1) ... [2022-04-08 02:23:07,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 02:23:07,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:23:07,516 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) [2022-04-08 02:23:07,539 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 [2022-04-08 02:23:07,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-08 02:23:07,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-08 02:23:07,543 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-08 02:23:07,543 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-08 02:23:07,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-08 02:23:07,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-08 02:23:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-08 02:23:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-08 02:23:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-08 02:23:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-08 02:23:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2022-04-08 02:23:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-08 02:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-08 02:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-08 02:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-08 02:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-08 02:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-08 02:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-08 02:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-08 02:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-08 02:23:07,584 INFO L234 CfgBuilder]: Building ICFG [2022-04-08 02:23:07,585 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-08 02:23:07,699 INFO L275 CfgBuilder]: Performing block encoding [2022-04-08 02:23:07,703 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-08 02:23:07,704 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-08 02:23:07,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 02:23:07 BoogieIcfgContainer [2022-04-08 02:23:07,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-08 02:23:07,705 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-08 02:23:07,705 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-08 02:23:07,706 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-08 02:23:07,708 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 02:23:07" (1/1) ... [2022-04-08 02:23:07,709 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-08 02:23:07,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 08.04 02:23:07 BasicIcfg [2022-04-08 02:23:07,724 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-08 02:23:07,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-08 02:23:07,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-08 02:23:07,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-08 02:23:07,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.04 02:23:07" (1/4) ... [2022-04-08 02:23:07,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9b7692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 02:23:07, skipping insertion in model container [2022-04-08 02:23:07,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:23:07" (2/4) ... [2022-04-08 02:23:07,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9b7692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 02:23:07, skipping insertion in model container [2022-04-08 02:23:07,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 02:23:07" (3/4) ... [2022-04-08 02:23:07,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9b7692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.04 02:23:07, skipping insertion in model container [2022-04-08 02:23:07,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 08.04 02:23:07" (4/4) ... [2022-04-08 02:23:07,728 INFO L111 eAbstractionObserver]: Analyzing ICFG ps4-ll_unwindbound5.cqvasr [2022-04-08 02:23:07,731 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-08 02:23:07,731 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-08 02:23:07,757 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-08 02:23:07,762 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-08 02:23:07,762 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-08 02:23:07,774 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 02:23:07,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-08 02:23:07,777 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:23:07,777 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:23:07,778 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:23:07,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:23:07,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1984627219, now seen corresponding path program 1 times [2022-04-08 02:23:07,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:23:07,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6986770] [2022-04-08 02:23:07,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:23:07,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:23:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:23:07,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 02:23:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:23:07,975 INFO L290 TraceCheckUtils]: 0: Hoare triple {31#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [62] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (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] {26#true} is VALID [2022-04-08 02:23:07,976 INFO L290 TraceCheckUtils]: 1: Hoare triple {26#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {26#true} is VALID [2022-04-08 02:23:07,976 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {26#true} {26#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {26#true} is VALID [2022-04-08 02:23:07,978 INFO L272 TraceCheckUtils]: 0: Hoare triple {26#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {31#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 02:23:07,979 INFO L290 TraceCheckUtils]: 1: Hoare triple {31#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [62] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (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] {26#true} is VALID [2022-04-08 02:23:07,980 INFO L290 TraceCheckUtils]: 2: Hoare triple {26#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {26#true} is VALID [2022-04-08 02:23:07,980 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {26#true} {26#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {26#true} is VALID [2022-04-08 02:23:07,981 INFO L272 TraceCheckUtils]: 4: Hoare triple {26#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {26#true} is VALID [2022-04-08 02:23:07,981 INFO L290 TraceCheckUtils]: 5: Hoare triple {26#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {26#true} is VALID [2022-04-08 02:23:07,981 INFO L290 TraceCheckUtils]: 6: Hoare triple {26#true} [66] L27-3-->L27-4: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {27#false} is VALID [2022-04-08 02:23:07,982 INFO L272 TraceCheckUtils]: 7: Hoare triple {27#false} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {27#false} is VALID [2022-04-08 02:23:07,982 INFO L290 TraceCheckUtils]: 8: Hoare triple {27#false} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {27#false} is VALID [2022-04-08 02:23:07,982 INFO L290 TraceCheckUtils]: 9: Hoare triple {27#false} [75] L10-->L11: Formula: (= 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[] {27#false} is VALID [2022-04-08 02:23:07,982 INFO L290 TraceCheckUtils]: 10: Hoare triple {27#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {27#false} is VALID [2022-04-08 02:23:07,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 02:23:07,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:23:07,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6986770] [2022-04-08 02:23:07,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6986770] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 02:23:07,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 02:23:07,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-08 02:23:07,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522828589] [2022-04-08 02:23:07,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 02:23:07,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-08 02:23:07,991 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:23:07,993 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 02:23:08,008 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:08,008 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-08 02:23:08,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:23:08,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-08 02:23:08,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-08 02:23:08,031 INFO L87 Difference]: Start difference. First operand has 23 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 02:23:08,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:08,152 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2022-04-08 02:23:08,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-08 02:23:08,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-08 02:23:08,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:23:08,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 02:23:08,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2022-04-08 02:23:08,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 02:23:08,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2022-04-08 02:23:08,168 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 55 transitions. [2022-04-08 02:23:08,245 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:08,255 INFO L225 Difference]: With dead ends: 41 [2022-04-08 02:23:08,256 INFO L226 Difference]: Without dead ends: 19 [2022-04-08 02:23:08,258 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-08 02:23:08,273 INFO L913 BasicCegarLoop]: 25 mSDtfsCounter, 6 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 02:23:08,274 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 29 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 02:23:08,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-04-08 02:23:08,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2022-04-08 02:23:08,352 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:23:08,353 INFO L82 GeneralOperation]: Start isEquivalent. First operand 19 states. Second operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-08 02:23:08,353 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-08 02:23:08,354 INFO L87 Difference]: Start difference. First operand 19 states. Second operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-08 02:23:08,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:08,356 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2022-04-08 02:23:08,356 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-04-08 02:23:08,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:08,356 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:08,356 INFO L74 IsIncluded]: Start isIncluded. First operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 19 states. [2022-04-08 02:23:08,357 INFO L87 Difference]: Start difference. First operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 19 states. [2022-04-08 02:23:08,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:08,358 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2022-04-08 02:23:08,358 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-04-08 02:23:08,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:08,359 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:08,359 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:23:08,359 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:23:08,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-08 02:23:08,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2022-04-08 02:23:08,361 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 11 [2022-04-08 02:23:08,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:23:08,361 INFO L478 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-04-08 02:23:08,362 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 02:23:08,362 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-04-08 02:23:08,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-08 02:23:08,362 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:23:08,362 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:23:08,363 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-08 02:23:08,363 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:23:08,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:23:08,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1423332195, now seen corresponding path program 1 times [2022-04-08 02:23:08,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:23:08,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972230301] [2022-04-08 02:23:08,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:23:08,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:23:08,376 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:23:08,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1170737224] [2022-04-08 02:23:08,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:23:08,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:23:08,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:23:08,378 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) [2022-04-08 02:23:08,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-08 02:23:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:23:08,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-08 02:23:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:23:08,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 02:23:08,637 INFO L272 TraceCheckUtils]: 0: Hoare triple {155#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {155#true} is VALID [2022-04-08 02:23:08,638 INFO L290 TraceCheckUtils]: 1: Hoare triple {155#true} [62] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (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] {163#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:08,638 INFO L290 TraceCheckUtils]: 2: Hoare triple {163#(<= ~counter~0 0)} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {163#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:08,639 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {163#(<= ~counter~0 0)} {155#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {163#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:08,640 INFO L272 TraceCheckUtils]: 4: Hoare triple {163#(<= ~counter~0 0)} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {163#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:08,640 INFO L290 TraceCheckUtils]: 5: Hoare triple {163#(<= ~counter~0 0)} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {163#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:08,641 INFO L290 TraceCheckUtils]: 6: Hoare triple {163#(<= ~counter~0 0)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {179#(<= |main_#t~post5| 0)} is VALID [2022-04-08 02:23:08,641 INFO L290 TraceCheckUtils]: 7: Hoare triple {179#(<= |main_#t~post5| 0)} [69] L27-1-->L27-4: Formula: (not (< |v_main_#t~post5_2| 5)) InVars {main_#t~post5=|v_main_#t~post5_2|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {156#false} is VALID [2022-04-08 02:23:08,641 INFO L272 TraceCheckUtils]: 8: Hoare triple {156#false} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {156#false} is VALID [2022-04-08 02:23:08,642 INFO L290 TraceCheckUtils]: 9: Hoare triple {156#false} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {156#false} is VALID [2022-04-08 02:23:08,642 INFO L290 TraceCheckUtils]: 10: Hoare triple {156#false} [75] L10-->L11: Formula: (= 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[] {156#false} is VALID [2022-04-08 02:23:08,642 INFO L290 TraceCheckUtils]: 11: Hoare triple {156#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {156#false} is VALID [2022-04-08 02:23:08,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 02:23:08,642 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 02:23:08,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:23:08,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972230301] [2022-04-08 02:23:08,643 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 02:23:08,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170737224] [2022-04-08 02:23:08,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170737224] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 02:23:08,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 02:23:08,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 02:23:08,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813727758] [2022-04-08 02:23:08,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 02:23:08,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-04-08 02:23:08,645 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:23:08,645 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 02:23:08,654 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:08,654 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-08 02:23:08,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:23:08,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-08 02:23:08,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-08 02:23:08,655 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 02:23:08,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:08,697 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2022-04-08 02:23:08,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-08 02:23:08,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-04-08 02:23:08,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:23:08,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 02:23:08,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2022-04-08 02:23:08,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 02:23:08,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2022-04-08 02:23:08,700 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 32 transitions. [2022-04-08 02:23:08,723 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:08,724 INFO L225 Difference]: With dead ends: 28 [2022-04-08 02:23:08,724 INFO L226 Difference]: Without dead ends: 20 [2022-04-08 02:23:08,724 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-08 02:23:08,725 INFO L913 BasicCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 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 [2022-04-08 02:23:08,725 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 02:23:08,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-04-08 02:23:08,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-04-08 02:23:08,729 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:23:08,730 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states. Second operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-08 02:23:08,730 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-08 02:23:08,730 INFO L87 Difference]: Start difference. First operand 20 states. Second operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-08 02:23:08,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:08,731 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2022-04-08 02:23:08,731 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-04-08 02:23:08,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:08,732 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:08,732 INFO L74 IsIncluded]: Start isIncluded. First operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 20 states. [2022-04-08 02:23:08,732 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 20 states. [2022-04-08 02:23:08,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:08,733 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2022-04-08 02:23:08,734 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-04-08 02:23:08,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:08,734 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:08,734 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:23:08,734 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:23:08,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-08 02:23:08,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-04-08 02:23:08,735 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 12 [2022-04-08 02:23:08,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:23:08,736 INFO L478 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-04-08 02:23:08,736 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 02:23:08,736 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-04-08 02:23:08,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-08 02:23:08,736 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:23:08,736 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:23:08,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-08 02:23:08,949 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:23:08,950 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:23:08,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:23:08,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1424404671, now seen corresponding path program 1 times [2022-04-08 02:23:08,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:23:08,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47260352] [2022-04-08 02:23:08,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:23:08,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:23:08,963 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:23:08,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [87722214] [2022-04-08 02:23:08,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:23:08,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:23:08,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:23:08,964 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) [2022-04-08 02:23:08,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-08 02:23:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:23:08,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-08 02:23:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:23:09,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 02:23:09,070 INFO L272 TraceCheckUtils]: 0: Hoare triple {305#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {305#true} is VALID [2022-04-08 02:23:09,071 INFO L290 TraceCheckUtils]: 1: Hoare triple {305#true} [62] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (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] {305#true} is VALID [2022-04-08 02:23:09,071 INFO L290 TraceCheckUtils]: 2: Hoare triple {305#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {305#true} is VALID [2022-04-08 02:23:09,071 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {305#true} {305#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {305#true} is VALID [2022-04-08 02:23:09,072 INFO L272 TraceCheckUtils]: 4: Hoare triple {305#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {305#true} is VALID [2022-04-08 02:23:09,073 INFO L290 TraceCheckUtils]: 5: Hoare triple {305#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {325#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:09,076 INFO L290 TraceCheckUtils]: 6: Hoare triple {325#(and (= main_~x~0 0) (= main_~y~0 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {325#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:09,077 INFO L290 TraceCheckUtils]: 7: Hoare triple {325#(and (= main_~x~0 0) (= main_~y~0 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {325#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:09,077 INFO L272 TraceCheckUtils]: 8: Hoare triple {325#(and (= main_~x~0 0) (= main_~y~0 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {335#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 02:23:09,078 INFO L290 TraceCheckUtils]: 9: Hoare triple {335#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {339#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 02:23:09,078 INFO L290 TraceCheckUtils]: 10: Hoare triple {339#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: Formula: (= 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[] {306#false} is VALID [2022-04-08 02:23:09,079 INFO L290 TraceCheckUtils]: 11: Hoare triple {306#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {306#false} is VALID [2022-04-08 02:23:09,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 02:23:09,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 02:23:09,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:23:09,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47260352] [2022-04-08 02:23:09,079 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 02:23:09,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87722214] [2022-04-08 02:23:09,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87722214] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 02:23:09,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 02:23:09,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 02:23:09,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486287808] [2022-04-08 02:23:09,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 02:23:09,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-04-08 02:23:09,081 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:23:09,081 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 02:23:09,090 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:09,090 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 02:23:09,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:23:09,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 02:23:09,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-08 02:23:09,091 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 02:23:09,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:09,268 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2022-04-08 02:23:09,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 02:23:09,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-04-08 02:23:09,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:23:09,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 02:23:09,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2022-04-08 02:23:09,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 02:23:09,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2022-04-08 02:23:09,271 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 35 transitions. [2022-04-08 02:23:09,301 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:09,302 INFO L225 Difference]: With dead ends: 30 [2022-04-08 02:23:09,302 INFO L226 Difference]: Without dead ends: 26 [2022-04-08 02:23:09,302 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-08 02:23:09,303 INFO L913 BasicCegarLoop]: 19 mSDtfsCounter, 6 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 02:23:09,303 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 64 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 02:23:09,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-04-08 02:23:09,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-04-08 02:23:09,309 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:23:09,309 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 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) [2022-04-08 02:23:09,309 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 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) [2022-04-08 02:23:09,309 INFO L87 Difference]: Start difference. First operand 26 states. Second operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 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) [2022-04-08 02:23:09,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:09,311 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2022-04-08 02:23:09,311 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-04-08 02:23:09,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:09,311 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:09,311 INFO L74 IsIncluded]: Start isIncluded. First operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 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. [2022-04-08 02:23:09,311 INFO L87 Difference]: Start difference. First operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 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. [2022-04-08 02:23:09,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:09,313 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2022-04-08 02:23:09,313 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-04-08 02:23:09,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:09,313 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:09,313 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:23:09,313 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:23:09,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 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) [2022-04-08 02:23:09,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2022-04-08 02:23:09,314 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 12 [2022-04-08 02:23:09,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:23:09,315 INFO L478 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2022-04-08 02:23:09,315 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 02:23:09,315 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-04-08 02:23:09,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-04-08 02:23:09,315 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:23:09,315 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:23:09,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-08 02:23:09,531 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-08 02:23:09,532 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:23:09,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:23:09,532 INFO L85 PathProgramCache]: Analyzing trace with hash -381498108, now seen corresponding path program 1 times [2022-04-08 02:23:09,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:23:09,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551604508] [2022-04-08 02:23:09,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:23:09,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:23:09,544 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:23:09,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [26805464] [2022-04-08 02:23:09,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:23:09,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:23:09,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:23:09,546 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) [2022-04-08 02:23:09,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-08 02:23:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:23:09,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-08 02:23:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:23:09,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 02:23:09,743 INFO L272 TraceCheckUtils]: 0: Hoare triple {481#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {481#true} is VALID [2022-04-08 02:23:09,744 INFO L290 TraceCheckUtils]: 1: Hoare triple {481#true} [62] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (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] {489#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:09,745 INFO L290 TraceCheckUtils]: 2: Hoare triple {489#(<= ~counter~0 0)} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {489#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:09,745 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {489#(<= ~counter~0 0)} {481#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {489#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:09,746 INFO L272 TraceCheckUtils]: 4: Hoare triple {489#(<= ~counter~0 0)} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {489#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:09,746 INFO L290 TraceCheckUtils]: 5: Hoare triple {489#(<= ~counter~0 0)} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {489#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:09,746 INFO L290 TraceCheckUtils]: 6: Hoare triple {489#(<= ~counter~0 0)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {505#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:09,748 INFO L290 TraceCheckUtils]: 7: Hoare triple {505#(<= ~counter~0 1)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {505#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:09,748 INFO L272 TraceCheckUtils]: 8: Hoare triple {505#(<= ~counter~0 1)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {505#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:09,749 INFO L290 TraceCheckUtils]: 9: Hoare triple {505#(<= ~counter~0 1)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {505#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:09,749 INFO L290 TraceCheckUtils]: 10: Hoare triple {505#(<= ~counter~0 1)} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {505#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:09,750 INFO L290 TraceCheckUtils]: 11: Hoare triple {505#(<= ~counter~0 1)} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {505#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:09,752 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {505#(<= ~counter~0 1)} {505#(<= ~counter~0 1)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {505#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:09,753 INFO L290 TraceCheckUtils]: 13: Hoare triple {505#(<= ~counter~0 1)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {505#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:09,753 INFO L290 TraceCheckUtils]: 14: Hoare triple {505#(<= ~counter~0 1)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {530#(<= |main_#t~post5| 1)} is VALID [2022-04-08 02:23:09,753 INFO L290 TraceCheckUtils]: 15: Hoare triple {530#(<= |main_#t~post5| 1)} [69] L27-1-->L27-4: Formula: (not (< |v_main_#t~post5_2| 5)) InVars {main_#t~post5=|v_main_#t~post5_2|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {482#false} is VALID [2022-04-08 02:23:09,754 INFO L272 TraceCheckUtils]: 16: Hoare triple {482#false} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {482#false} is VALID [2022-04-08 02:23:09,754 INFO L290 TraceCheckUtils]: 17: Hoare triple {482#false} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {482#false} is VALID [2022-04-08 02:23:09,754 INFO L290 TraceCheckUtils]: 18: Hoare triple {482#false} [75] L10-->L11: Formula: (= 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[] {482#false} is VALID [2022-04-08 02:23:09,754 INFO L290 TraceCheckUtils]: 19: Hoare triple {482#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {482#false} is VALID [2022-04-08 02:23:09,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 02:23:09,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 02:23:09,896 INFO L290 TraceCheckUtils]: 19: Hoare triple {482#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {482#false} is VALID [2022-04-08 02:23:09,897 INFO L290 TraceCheckUtils]: 18: Hoare triple {482#false} [75] L10-->L11: Formula: (= 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[] {482#false} is VALID [2022-04-08 02:23:09,897 INFO L290 TraceCheckUtils]: 17: Hoare triple {482#false} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {482#false} is VALID [2022-04-08 02:23:09,897 INFO L272 TraceCheckUtils]: 16: Hoare triple {482#false} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {482#false} is VALID [2022-04-08 02:23:09,898 INFO L290 TraceCheckUtils]: 15: Hoare triple {558#(< |main_#t~post5| 5)} [69] L27-1-->L27-4: Formula: (not (< |v_main_#t~post5_2| 5)) InVars {main_#t~post5=|v_main_#t~post5_2|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {482#false} is VALID [2022-04-08 02:23:09,899 INFO L290 TraceCheckUtils]: 14: Hoare triple {562#(< ~counter~0 5)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {558#(< |main_#t~post5| 5)} is VALID [2022-04-08 02:23:09,899 INFO L290 TraceCheckUtils]: 13: Hoare triple {562#(< ~counter~0 5)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {562#(< ~counter~0 5)} is VALID [2022-04-08 02:23:09,900 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {481#true} {562#(< ~counter~0 5)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {562#(< ~counter~0 5)} is VALID [2022-04-08 02:23:09,900 INFO L290 TraceCheckUtils]: 11: Hoare triple {481#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {481#true} is VALID [2022-04-08 02:23:09,900 INFO L290 TraceCheckUtils]: 10: Hoare triple {481#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {481#true} is VALID [2022-04-08 02:23:09,900 INFO L290 TraceCheckUtils]: 9: Hoare triple {481#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {481#true} is VALID [2022-04-08 02:23:09,900 INFO L272 TraceCheckUtils]: 8: Hoare triple {562#(< ~counter~0 5)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {481#true} is VALID [2022-04-08 02:23:09,903 INFO L290 TraceCheckUtils]: 7: Hoare triple {562#(< ~counter~0 5)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {562#(< ~counter~0 5)} is VALID [2022-04-08 02:23:09,904 INFO L290 TraceCheckUtils]: 6: Hoare triple {587#(< ~counter~0 4)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {562#(< ~counter~0 5)} is VALID [2022-04-08 02:23:09,906 INFO L290 TraceCheckUtils]: 5: Hoare triple {587#(< ~counter~0 4)} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {587#(< ~counter~0 4)} is VALID [2022-04-08 02:23:09,906 INFO L272 TraceCheckUtils]: 4: Hoare triple {587#(< ~counter~0 4)} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {587#(< ~counter~0 4)} is VALID [2022-04-08 02:23:09,907 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {587#(< ~counter~0 4)} {481#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {587#(< ~counter~0 4)} is VALID [2022-04-08 02:23:09,907 INFO L290 TraceCheckUtils]: 2: Hoare triple {587#(< ~counter~0 4)} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {587#(< ~counter~0 4)} is VALID [2022-04-08 02:23:09,908 INFO L290 TraceCheckUtils]: 1: Hoare triple {481#true} [62] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (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] {587#(< ~counter~0 4)} is VALID [2022-04-08 02:23:09,908 INFO L272 TraceCheckUtils]: 0: Hoare triple {481#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {481#true} is VALID [2022-04-08 02:23:09,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 02:23:09,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:23:09,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551604508] [2022-04-08 02:23:09,909 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 02:23:09,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26805464] [2022-04-08 02:23:09,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26805464] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 02:23:09,909 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 02:23:09,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-04-08 02:23:09,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436385185] [2022-04-08 02:23:09,909 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-08 02:23:09,910 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 20 [2022-04-08 02:23:09,910 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:23:09,910 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-08 02:23:09,939 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:09,939 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-08 02:23:09,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:23:09,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-08 02:23:09,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-04-08 02:23:09,940 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-08 02:23:10,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:10,127 INFO L93 Difference]: Finished difference Result 60 states and 70 transitions. [2022-04-08 02:23:10,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-08 02:23:10,128 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 20 [2022-04-08 02:23:10,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:23:10,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-08 02:23:10,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 70 transitions. [2022-04-08 02:23:10,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-08 02:23:10,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 70 transitions. [2022-04-08 02:23:10,132 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 70 transitions. [2022-04-08 02:23:10,185 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:10,186 INFO L225 Difference]: With dead ends: 60 [2022-04-08 02:23:10,186 INFO L226 Difference]: Without dead ends: 52 [2022-04-08 02:23:10,186 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-04-08 02:23:10,187 INFO L913 BasicCegarLoop]: 24 mSDtfsCounter, 28 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-08 02:23:10,187 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 90 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 02:23:10,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-04-08 02:23:10,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2022-04-08 02:23:10,200 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:23:10,200 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 12 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-08 02:23:10,201 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 12 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-08 02:23:10,201 INFO L87 Difference]: Start difference. First operand 52 states. Second operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 12 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-08 02:23:10,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:10,203 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2022-04-08 02:23:10,203 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2022-04-08 02:23:10,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:10,204 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:10,204 INFO L74 IsIncluded]: Start isIncluded. First operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 12 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 52 states. [2022-04-08 02:23:10,204 INFO L87 Difference]: Start difference. First operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 12 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 52 states. [2022-04-08 02:23:10,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:10,206 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2022-04-08 02:23:10,206 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2022-04-08 02:23:10,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:10,207 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:10,207 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:23:10,207 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:23:10,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 12 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-08 02:23:10,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2022-04-08 02:23:10,208 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 20 [2022-04-08 02:23:10,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:23:10,209 INFO L478 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2022-04-08 02:23:10,209 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-08 02:23:10,209 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2022-04-08 02:23:10,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-04-08 02:23:10,209 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:23:10,209 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:23:10,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-08 02:23:10,434 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:23:10,434 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:23:10,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:23:10,435 INFO L85 PathProgramCache]: Analyzing trace with hash -380425632, now seen corresponding path program 1 times [2022-04-08 02:23:10,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:23:10,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904083535] [2022-04-08 02:23:10,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:23:10,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:23:10,445 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:23:10,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [77337302] [2022-04-08 02:23:10,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:23:10,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:23:10,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:23:10,447 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) [2022-04-08 02:23:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:23:10,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-08 02:23:10,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2022-04-08 02:23:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:23:10,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 02:23:10,588 INFO L272 TraceCheckUtils]: 0: Hoare triple {875#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-08 02:23:10,588 INFO L290 TraceCheckUtils]: 1: Hoare triple {875#true} [62] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (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] {875#true} is VALID [2022-04-08 02:23:10,588 INFO L290 TraceCheckUtils]: 2: Hoare triple {875#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-08 02:23:10,588 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {875#true} {875#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-08 02:23:10,589 INFO L272 TraceCheckUtils]: 4: Hoare triple {875#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-08 02:23:10,589 INFO L290 TraceCheckUtils]: 5: Hoare triple {875#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {895#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:10,590 INFO L290 TraceCheckUtils]: 6: Hoare triple {895#(and (= main_~x~0 0) (= main_~y~0 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {895#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:10,590 INFO L290 TraceCheckUtils]: 7: Hoare triple {895#(and (= main_~x~0 0) (= main_~y~0 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {895#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:10,590 INFO L272 TraceCheckUtils]: 8: Hoare triple {895#(and (= main_~x~0 0) (= main_~y~0 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {875#true} is VALID [2022-04-08 02:23:10,590 INFO L290 TraceCheckUtils]: 9: Hoare triple {875#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {875#true} is VALID [2022-04-08 02:23:10,590 INFO L290 TraceCheckUtils]: 10: Hoare triple {875#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-08 02:23:10,590 INFO L290 TraceCheckUtils]: 11: Hoare triple {875#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-08 02:23:10,591 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {875#true} {895#(and (= main_~x~0 0) (= main_~y~0 0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {895#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:10,592 INFO L290 TraceCheckUtils]: 13: Hoare triple {895#(and (= main_~x~0 0) (= main_~y~0 0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {920#(and (= (+ (- 1) main_~y~0) 0) (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0)) 0))} is VALID [2022-04-08 02:23:10,592 INFO L290 TraceCheckUtils]: 14: Hoare triple {920#(and (= (+ (- 1) main_~y~0) 0) (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0)) 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {920#(and (= (+ (- 1) main_~y~0) 0) (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0)) 0))} is VALID [2022-04-08 02:23:10,593 INFO L290 TraceCheckUtils]: 15: Hoare triple {920#(and (= (+ (- 1) main_~y~0) 0) (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0)) 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {920#(and (= (+ (- 1) main_~y~0) 0) (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0)) 0))} is VALID [2022-04-08 02:23:10,593 INFO L272 TraceCheckUtils]: 16: Hoare triple {920#(and (= (+ (- 1) main_~y~0) 0) (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0)) 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {930#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 02:23:10,594 INFO L290 TraceCheckUtils]: 17: Hoare triple {930#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {934#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 02:23:10,594 INFO L290 TraceCheckUtils]: 18: Hoare triple {934#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: Formula: (= 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[] {876#false} is VALID [2022-04-08 02:23:10,594 INFO L290 TraceCheckUtils]: 19: Hoare triple {876#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {876#false} is VALID [2022-04-08 02:23:10,595 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 02:23:10,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 02:23:10,715 INFO L290 TraceCheckUtils]: 19: Hoare triple {876#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {876#false} is VALID [2022-04-08 02:23:10,716 INFO L290 TraceCheckUtils]: 18: Hoare triple {934#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: Formula: (= 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[] {876#false} is VALID [2022-04-08 02:23:10,716 INFO L290 TraceCheckUtils]: 17: Hoare triple {930#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {934#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 02:23:10,717 INFO L272 TraceCheckUtils]: 16: Hoare triple {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {930#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 02:23:10,721 INFO L290 TraceCheckUtils]: 15: Hoare triple {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-08 02:23:10,725 INFO L290 TraceCheckUtils]: 14: Hoare triple {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-08 02:23:10,734 INFO L290 TraceCheckUtils]: 13: Hoare triple {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-08 02:23:10,735 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {875#true} {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-08 02:23:10,735 INFO L290 TraceCheckUtils]: 11: Hoare triple {875#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-08 02:23:10,735 INFO L290 TraceCheckUtils]: 10: Hoare triple {875#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-08 02:23:10,735 INFO L290 TraceCheckUtils]: 9: Hoare triple {875#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {875#true} is VALID [2022-04-08 02:23:10,735 INFO L272 TraceCheckUtils]: 8: Hoare triple {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {875#true} is VALID [2022-04-08 02:23:10,736 INFO L290 TraceCheckUtils]: 7: Hoare triple {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-08 02:23:10,737 INFO L290 TraceCheckUtils]: 6: Hoare triple {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-08 02:23:10,737 INFO L290 TraceCheckUtils]: 5: Hoare triple {875#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-08 02:23:10,737 INFO L272 TraceCheckUtils]: 4: Hoare triple {875#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-08 02:23:10,738 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {875#true} {875#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-08 02:23:10,738 INFO L290 TraceCheckUtils]: 2: Hoare triple {875#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-08 02:23:10,738 INFO L290 TraceCheckUtils]: 1: Hoare triple {875#true} [62] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (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] {875#true} is VALID [2022-04-08 02:23:10,738 INFO L272 TraceCheckUtils]: 0: Hoare triple {875#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-08 02:23:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-08 02:23:10,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:23:10,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904083535] [2022-04-08 02:23:10,738 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 02:23:10,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77337302] [2022-04-08 02:23:10,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77337302] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-08 02:23:10,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-08 02:23:10,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2022-04-08 02:23:10,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935878575] [2022-04-08 02:23:10,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 02:23:10,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2022-04-08 02:23:10,739 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:23:10,739 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-08 02:23:10,773 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:10,773 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 02:23:10,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:23:10,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 02:23:10,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-08 02:23:10,774 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-08 02:23:10,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:10,885 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2022-04-08 02:23:10,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 02:23:10,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2022-04-08 02:23:10,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:23:10,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-08 02:23:10,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2022-04-08 02:23:10,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-08 02:23:10,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2022-04-08 02:23:10,887 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 26 transitions. [2022-04-08 02:23:10,912 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:10,913 INFO L225 Difference]: With dead ends: 62 [2022-04-08 02:23:10,913 INFO L226 Difference]: Without dead ends: 51 [2022-04-08 02:23:10,913 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-04-08 02:23:10,914 INFO L913 BasicCegarLoop]: 17 mSDtfsCounter, 7 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 02:23:10,914 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 53 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 02:23:10,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-04-08 02:23:10,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 45. [2022-04-08 02:23:10,931 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:23:10,931 INFO L82 GeneralOperation]: Start isEquivalent. First operand 51 states. Second operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 02:23:10,931 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 02:23:10,931 INFO L87 Difference]: Start difference. First operand 51 states. Second operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 02:23:10,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:10,932 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2022-04-08 02:23:10,932 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2022-04-08 02:23:10,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:10,933 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:10,933 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 51 states. [2022-04-08 02:23:10,933 INFO L87 Difference]: Start difference. First operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 51 states. [2022-04-08 02:23:10,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:10,934 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2022-04-08 02:23:10,934 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2022-04-08 02:23:10,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:10,935 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:10,935 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:23:10,935 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:23:10,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 02:23:10,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2022-04-08 02:23:10,936 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 20 [2022-04-08 02:23:10,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:23:10,936 INFO L478 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2022-04-08 02:23:10,936 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-08 02:23:10,936 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2022-04-08 02:23:10,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-04-08 02:23:10,937 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:23:10,937 INFO L499 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:23:10,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-08 02:23:11,151 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:23:11,152 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:23:11,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:23:11,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1647871298, now seen corresponding path program 1 times [2022-04-08 02:23:11,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:23:11,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225075329] [2022-04-08 02:23:11,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:23:11,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:23:11,205 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:23:11,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [313600651] [2022-04-08 02:23:11,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:23:11,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:23:11,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:23:11,214 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) [2022-04-08 02:23:11,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-08 02:23:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:23:11,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 19 conjunts are in the unsatisfiable core [2022-04-08 02:23:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:23:11,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 02:23:11,903 INFO L272 TraceCheckUtils]: 0: Hoare triple {1257#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1257#true} is VALID [2022-04-08 02:23:11,903 INFO L290 TraceCheckUtils]: 1: Hoare triple {1257#true} [62] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (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] {1257#true} is VALID [2022-04-08 02:23:11,904 INFO L290 TraceCheckUtils]: 2: Hoare triple {1257#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1257#true} is VALID [2022-04-08 02:23:11,905 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1257#true} {1257#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1257#true} is VALID [2022-04-08 02:23:11,915 INFO L272 TraceCheckUtils]: 4: Hoare triple {1257#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1257#true} is VALID [2022-04-08 02:23:11,915 INFO L290 TraceCheckUtils]: 5: Hoare triple {1257#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {1277#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:11,918 INFO L290 TraceCheckUtils]: 6: Hoare triple {1277#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1277#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:11,919 INFO L290 TraceCheckUtils]: 7: Hoare triple {1277#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1277#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:11,919 INFO L272 TraceCheckUtils]: 8: Hoare triple {1277#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1257#true} is VALID [2022-04-08 02:23:11,919 INFO L290 TraceCheckUtils]: 9: Hoare triple {1257#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1257#true} is VALID [2022-04-08 02:23:11,919 INFO L290 TraceCheckUtils]: 10: Hoare triple {1257#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1257#true} is VALID [2022-04-08 02:23:11,919 INFO L290 TraceCheckUtils]: 11: Hoare triple {1257#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1257#true} is VALID [2022-04-08 02:23:11,920 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {1257#true} {1277#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1277#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:11,921 INFO L290 TraceCheckUtils]: 13: Hoare triple {1277#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {1302#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} is VALID [2022-04-08 02:23:11,921 INFO L290 TraceCheckUtils]: 14: Hoare triple {1302#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1302#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} is VALID [2022-04-08 02:23:11,921 INFO L290 TraceCheckUtils]: 15: Hoare triple {1302#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1302#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} is VALID [2022-04-08 02:23:11,922 INFO L272 TraceCheckUtils]: 16: Hoare triple {1302#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1257#true} is VALID [2022-04-08 02:23:11,922 INFO L290 TraceCheckUtils]: 17: Hoare triple {1257#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1315#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 02:23:11,923 INFO L290 TraceCheckUtils]: 18: Hoare triple {1315#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1319#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 02:23:11,923 INFO L290 TraceCheckUtils]: 19: Hoare triple {1319#(not (= |__VERIFIER_assert_#in~cond| 0))} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1319#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 02:23:11,924 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {1319#(not (= |__VERIFIER_assert_#in~cond| 0))} {1302#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1326#(and (= main_~y~0 1) (< 0 main_~k~0) (<= main_~c~0 1))} is VALID [2022-04-08 02:23:11,924 INFO L290 TraceCheckUtils]: 21: Hoare triple {1326#(and (= main_~y~0 1) (< 0 main_~k~0) (<= main_~c~0 1))} [77] L28-1-->L27-4: Formula: (not (< v_main_~c~0_1 v_main_~k~0_1)) InVars {main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} OutVars{main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} AuxVars[] AssignedVars[] {1330#(and (<= main_~k~0 1) (= main_~y~0 1) (< 0 main_~k~0))} is VALID [2022-04-08 02:23:11,925 INFO L272 TraceCheckUtils]: 22: Hoare triple {1330#(and (<= main_~k~0 1) (= main_~y~0 1) (< 0 main_~k~0))} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {1334#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 02:23:11,925 INFO L290 TraceCheckUtils]: 23: Hoare triple {1334#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1338#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 02:23:11,925 INFO L290 TraceCheckUtils]: 24: Hoare triple {1338#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: Formula: (= 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[] {1258#false} is VALID [2022-04-08 02:23:11,926 INFO L290 TraceCheckUtils]: 25: Hoare triple {1258#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1258#false} is VALID [2022-04-08 02:23:11,926 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-08 02:23:11,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 02:23:50,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:23:50,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225075329] [2022-04-08 02:23:50,197 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 02:23:50,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313600651] [2022-04-08 02:23:50,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313600651] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 02:23:50,197 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-08 02:23:50,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-04-08 02:23:50,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446330589] [2022-04-08 02:23:50,197 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-04-08 02:23:50,197 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 26 [2022-04-08 02:23:50,197 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:23:50,198 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-08 02:23:50,219 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:50,219 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-08 02:23:50,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:23:50,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-08 02:23:50,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=161, Unknown=3, NotChecked=0, Total=210 [2022-04-08 02:23:50,220 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-08 02:23:50,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:50,517 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2022-04-08 02:23:50,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-08 02:23:50,519 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 26 [2022-04-08 02:23:50,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:23:50,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-08 02:23:50,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 34 transitions. [2022-04-08 02:23:50,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-08 02:23:50,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 34 transitions. [2022-04-08 02:23:50,528 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 34 transitions. [2022-04-08 02:23:50,548 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:50,551 INFO L225 Difference]: With dead ends: 50 [2022-04-08 02:23:50,551 INFO L226 Difference]: Without dead ends: 45 [2022-04-08 02:23:50,552 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 19.8s TimeCoverageRelationStatistics Valid=67, Invalid=236, Unknown=3, NotChecked=0, Total=306 [2022-04-08 02:23:50,555 INFO L913 BasicCegarLoop]: 17 mSDtfsCounter, 8 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-08 02:23:50,555 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 112 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 02:23:50,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-04-08 02:23:50,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-04-08 02:23:50,577 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:23:50,578 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 02:23:50,578 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 02:23:50,578 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 02:23:50,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:50,580 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2022-04-08 02:23:50,580 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2022-04-08 02:23:50,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:50,581 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:50,581 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 45 states. [2022-04-08 02:23:50,581 INFO L87 Difference]: Start difference. First operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 45 states. [2022-04-08 02:23:50,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:50,585 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2022-04-08 02:23:50,585 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2022-04-08 02:23:50,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:50,586 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:50,586 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:23:50,586 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:23:50,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 02:23:50,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2022-04-08 02:23:50,590 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 26 [2022-04-08 02:23:50,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:23:50,591 INFO L478 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2022-04-08 02:23:50,591 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-08 02:23:50,591 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2022-04-08 02:23:50,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-04-08 02:23:50,592 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:23:50,592 INFO L499 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:23:50,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-08 02:23:50,792 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:23:50,793 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:23:50,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:23:50,793 INFO L85 PathProgramCache]: Analyzing trace with hash 31133987, now seen corresponding path program 2 times [2022-04-08 02:23:50,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:23:50,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665340723] [2022-04-08 02:23:50,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:23:50,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:23:50,803 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:23:50,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1461825377] [2022-04-08 02:23:50,803 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 02:23:50,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:23:50,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:23:50,806 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) [2022-04-08 02:23:50,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-08 02:23:50,857 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 02:23:50,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 02:23:50,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 16 conjunts are in the unsatisfiable core [2022-04-08 02:23:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:23:50,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 02:23:51,181 INFO L272 TraceCheckUtils]: 0: Hoare triple {1622#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1622#true} is VALID [2022-04-08 02:23:51,181 INFO L290 TraceCheckUtils]: 1: Hoare triple {1622#true} [62] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (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] {1622#true} is VALID [2022-04-08 02:23:51,181 INFO L290 TraceCheckUtils]: 2: Hoare triple {1622#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1622#true} is VALID [2022-04-08 02:23:51,181 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1622#true} {1622#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1622#true} is VALID [2022-04-08 02:23:51,181 INFO L272 TraceCheckUtils]: 4: Hoare triple {1622#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1622#true} is VALID [2022-04-08 02:23:51,182 INFO L290 TraceCheckUtils]: 5: Hoare triple {1622#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {1642#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:51,182 INFO L290 TraceCheckUtils]: 6: Hoare triple {1642#(and (= main_~c~0 0) (= main_~y~0 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1642#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:51,182 INFO L290 TraceCheckUtils]: 7: Hoare triple {1642#(and (= main_~c~0 0) (= main_~y~0 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1642#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:51,183 INFO L272 TraceCheckUtils]: 8: Hoare triple {1642#(and (= main_~c~0 0) (= main_~y~0 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1622#true} is VALID [2022-04-08 02:23:51,183 INFO L290 TraceCheckUtils]: 9: Hoare triple {1622#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1622#true} is VALID [2022-04-08 02:23:51,183 INFO L290 TraceCheckUtils]: 10: Hoare triple {1622#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1622#true} is VALID [2022-04-08 02:23:51,183 INFO L290 TraceCheckUtils]: 11: Hoare triple {1622#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1622#true} is VALID [2022-04-08 02:23:51,184 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {1622#true} {1642#(and (= main_~c~0 0) (= main_~y~0 0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1642#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:51,186 INFO L290 TraceCheckUtils]: 13: Hoare triple {1642#(and (= main_~c~0 0) (= main_~y~0 0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {1667#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} is VALID [2022-04-08 02:23:51,187 INFO L290 TraceCheckUtils]: 14: Hoare triple {1667#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1667#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} is VALID [2022-04-08 02:23:51,187 INFO L290 TraceCheckUtils]: 15: Hoare triple {1667#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1667#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} is VALID [2022-04-08 02:23:51,187 INFO L272 TraceCheckUtils]: 16: Hoare triple {1667#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1622#true} is VALID [2022-04-08 02:23:51,187 INFO L290 TraceCheckUtils]: 17: Hoare triple {1622#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1622#true} is VALID [2022-04-08 02:23:51,188 INFO L290 TraceCheckUtils]: 18: Hoare triple {1622#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1622#true} is VALID [2022-04-08 02:23:51,188 INFO L290 TraceCheckUtils]: 19: Hoare triple {1622#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1622#true} is VALID [2022-04-08 02:23:51,188 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {1622#true} {1667#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1667#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} is VALID [2022-04-08 02:23:51,188 INFO L290 TraceCheckUtils]: 21: Hoare triple {1667#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {1692#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} is VALID [2022-04-08 02:23:51,189 INFO L290 TraceCheckUtils]: 22: Hoare triple {1692#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1692#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} is VALID [2022-04-08 02:23:51,189 INFO L290 TraceCheckUtils]: 23: Hoare triple {1692#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1692#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} is VALID [2022-04-08 02:23:51,189 INFO L272 TraceCheckUtils]: 24: Hoare triple {1692#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1622#true} is VALID [2022-04-08 02:23:51,189 INFO L290 TraceCheckUtils]: 25: Hoare triple {1622#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1622#true} is VALID [2022-04-08 02:23:51,189 INFO L290 TraceCheckUtils]: 26: Hoare triple {1622#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1622#true} is VALID [2022-04-08 02:23:51,189 INFO L290 TraceCheckUtils]: 27: Hoare triple {1622#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1622#true} is VALID [2022-04-08 02:23:51,201 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1622#true} {1692#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1692#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} is VALID [2022-04-08 02:23:51,202 INFO L290 TraceCheckUtils]: 29: Hoare triple {1692#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [77] L28-1-->L27-4: Formula: (not (< v_main_~c~0_1 v_main_~k~0_1)) InVars {main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} OutVars{main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} AuxVars[] AssignedVars[] {1717#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~k~0 2))} is VALID [2022-04-08 02:23:51,203 INFO L272 TraceCheckUtils]: 30: Hoare triple {1717#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~k~0 2))} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {1721#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 02:23:51,203 INFO L290 TraceCheckUtils]: 31: Hoare triple {1721#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1725#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 02:23:51,203 INFO L290 TraceCheckUtils]: 32: Hoare triple {1725#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: Formula: (= 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[] {1623#false} is VALID [2022-04-08 02:23:51,203 INFO L290 TraceCheckUtils]: 33: Hoare triple {1623#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1623#false} is VALID [2022-04-08 02:23:51,204 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-08 02:23:51,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 02:23:51,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:23:51,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665340723] [2022-04-08 02:23:51,510 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 02:23:51,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461825377] [2022-04-08 02:23:51,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461825377] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 02:23:51,510 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-08 02:23:51,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-04-08 02:23:51,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112541991] [2022-04-08 02:23:51,510 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-04-08 02:23:51,511 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 34 [2022-04-08 02:23:51,511 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:23:51,511 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 02:23:51,531 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:51,531 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-08 02:23:51,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:23:51,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-08 02:23:51,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-04-08 02:23:51,532 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 02:23:51,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:51,747 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2022-04-08 02:23:51,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-08 02:23:51,748 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 34 [2022-04-08 02:23:51,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:23:51,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 02:23:51,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 39 transitions. [2022-04-08 02:23:51,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 02:23:51,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 39 transitions. [2022-04-08 02:23:51,750 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 39 transitions. [2022-04-08 02:23:51,776 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:51,776 INFO L225 Difference]: With dead ends: 50 [2022-04-08 02:23:51,776 INFO L226 Difference]: Without dead ends: 45 [2022-04-08 02:23:51,777 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-04-08 02:23:51,777 INFO L913 BasicCegarLoop]: 26 mSDtfsCounter, 2 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-08 02:23:51,777 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 132 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 02:23:51,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-04-08 02:23:51,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-04-08 02:23:51,797 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:23:51,797 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 45 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 02:23:51,797 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 45 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 02:23:51,797 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 45 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 02:23:51,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:51,798 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2022-04-08 02:23:51,798 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2022-04-08 02:23:51,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:51,799 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:51,799 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 45 states. [2022-04-08 02:23:51,799 INFO L87 Difference]: Start difference. First operand has 45 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 45 states. [2022-04-08 02:23:51,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:51,800 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2022-04-08 02:23:51,800 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2022-04-08 02:23:51,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:51,800 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:51,800 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:23:51,800 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:23:51,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 02:23:51,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2022-04-08 02:23:51,801 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 34 [2022-04-08 02:23:51,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:23:51,801 INFO L478 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2022-04-08 02:23:51,801 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 02:23:51,801 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2022-04-08 02:23:51,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-04-08 02:23:51,802 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:23:51,802 INFO L499 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:23:51,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-08 02:23:52,015 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:23:52,015 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:23:52,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:23:52,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1474833412, now seen corresponding path program 3 times [2022-04-08 02:23:52,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:23:52,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358789344] [2022-04-08 02:23:52,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:23:52,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:23:52,025 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:23:52,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [507711490] [2022-04-08 02:23:52,025 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-08 02:23:52,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:23:52,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:23:52,031 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 02:23:52,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-08 02:23:52,121 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-04-08 02:23:52,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 02:23:52,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 20 conjunts are in the unsatisfiable core [2022-04-08 02:23:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:23:52,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 02:23:52,413 INFO L272 TraceCheckUtils]: 0: Hoare triple {2005#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-08 02:23:52,413 INFO L290 TraceCheckUtils]: 1: Hoare triple {2005#true} [62] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (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] {2005#true} is VALID [2022-04-08 02:23:52,413 INFO L290 TraceCheckUtils]: 2: Hoare triple {2005#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-08 02:23:52,413 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2005#true} {2005#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-08 02:23:52,413 INFO L272 TraceCheckUtils]: 4: Hoare triple {2005#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-08 02:23:52,414 INFO L290 TraceCheckUtils]: 5: Hoare triple {2005#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {2025#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:52,414 INFO L290 TraceCheckUtils]: 6: Hoare triple {2025#(and (= main_~c~0 0) (= main_~y~0 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2025#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:52,415 INFO L290 TraceCheckUtils]: 7: Hoare triple {2025#(and (= main_~c~0 0) (= main_~y~0 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2025#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:52,415 INFO L272 TraceCheckUtils]: 8: Hoare triple {2025#(and (= main_~c~0 0) (= main_~y~0 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2005#true} is VALID [2022-04-08 02:23:52,415 INFO L290 TraceCheckUtils]: 9: Hoare triple {2005#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2005#true} is VALID [2022-04-08 02:23:52,415 INFO L290 TraceCheckUtils]: 10: Hoare triple {2005#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-08 02:23:52,415 INFO L290 TraceCheckUtils]: 11: Hoare triple {2005#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-08 02:23:52,416 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {2005#true} {2025#(and (= main_~c~0 0) (= main_~y~0 0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2025#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:52,416 INFO L290 TraceCheckUtils]: 13: Hoare triple {2025#(and (= main_~c~0 0) (= main_~y~0 0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2050#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} is VALID [2022-04-08 02:23:52,416 INFO L290 TraceCheckUtils]: 14: Hoare triple {2050#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2050#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} is VALID [2022-04-08 02:23:52,417 INFO L290 TraceCheckUtils]: 15: Hoare triple {2050#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2050#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} is VALID [2022-04-08 02:23:52,417 INFO L272 TraceCheckUtils]: 16: Hoare triple {2050#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2005#true} is VALID [2022-04-08 02:23:52,417 INFO L290 TraceCheckUtils]: 17: Hoare triple {2005#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2005#true} is VALID [2022-04-08 02:23:52,417 INFO L290 TraceCheckUtils]: 18: Hoare triple {2005#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-08 02:23:52,417 INFO L290 TraceCheckUtils]: 19: Hoare triple {2005#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-08 02:23:52,418 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {2005#true} {2050#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2050#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} is VALID [2022-04-08 02:23:52,418 INFO L290 TraceCheckUtils]: 21: Hoare triple {2050#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2075#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} is VALID [2022-04-08 02:23:52,418 INFO L290 TraceCheckUtils]: 22: Hoare triple {2075#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2075#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} is VALID [2022-04-08 02:23:52,419 INFO L290 TraceCheckUtils]: 23: Hoare triple {2075#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2075#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} is VALID [2022-04-08 02:23:52,419 INFO L272 TraceCheckUtils]: 24: Hoare triple {2075#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2005#true} is VALID [2022-04-08 02:23:52,419 INFO L290 TraceCheckUtils]: 25: Hoare triple {2005#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2005#true} is VALID [2022-04-08 02:23:52,419 INFO L290 TraceCheckUtils]: 26: Hoare triple {2005#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-08 02:23:52,419 INFO L290 TraceCheckUtils]: 27: Hoare triple {2005#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-08 02:23:52,420 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2005#true} {2075#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2075#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} is VALID [2022-04-08 02:23:52,420 INFO L290 TraceCheckUtils]: 29: Hoare triple {2075#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2100#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} is VALID [2022-04-08 02:23:52,421 INFO L290 TraceCheckUtils]: 30: Hoare triple {2100#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2100#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} is VALID [2022-04-08 02:23:52,421 INFO L290 TraceCheckUtils]: 31: Hoare triple {2100#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2100#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} is VALID [2022-04-08 02:23:52,421 INFO L272 TraceCheckUtils]: 32: Hoare triple {2100#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2005#true} is VALID [2022-04-08 02:23:52,421 INFO L290 TraceCheckUtils]: 33: Hoare triple {2005#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2005#true} is VALID [2022-04-08 02:23:52,421 INFO L290 TraceCheckUtils]: 34: Hoare triple {2005#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-08 02:23:52,421 INFO L290 TraceCheckUtils]: 35: Hoare triple {2005#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-08 02:23:52,422 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2005#true} {2100#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2100#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} is VALID [2022-04-08 02:23:52,422 INFO L290 TraceCheckUtils]: 37: Hoare triple {2100#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} [77] L28-1-->L27-4: Formula: (not (< v_main_~c~0_1 v_main_~k~0_1)) InVars {main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} OutVars{main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} AuxVars[] AssignedVars[] {2125#(and (= main_~y~0 3) (<= main_~k~0 3) (< 2 main_~k~0))} is VALID [2022-04-08 02:23:52,423 INFO L272 TraceCheckUtils]: 38: Hoare triple {2125#(and (= main_~y~0 3) (<= main_~k~0 3) (< 2 main_~k~0))} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {2129#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 02:23:52,423 INFO L290 TraceCheckUtils]: 39: Hoare triple {2129#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2133#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 02:23:52,424 INFO L290 TraceCheckUtils]: 40: Hoare triple {2133#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: Formula: (= 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[] {2006#false} is VALID [2022-04-08 02:23:52,424 INFO L290 TraceCheckUtils]: 41: Hoare triple {2006#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2006#false} is VALID [2022-04-08 02:23:52,424 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-08 02:23:52,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 02:23:52,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:23:52,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358789344] [2022-04-08 02:23:52,770 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 02:23:52,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507711490] [2022-04-08 02:23:52,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507711490] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 02:23:52,770 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-08 02:23:52,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-04-08 02:23:52,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826495286] [2022-04-08 02:23:52,770 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-04-08 02:23:52,771 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 42 [2022-04-08 02:23:52,771 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:23:52,771 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 02:23:52,822 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:52,822 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-08 02:23:52,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:23:52,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-08 02:23:52,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-04-08 02:23:52,823 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 02:23:53,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:53,137 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2022-04-08 02:23:53,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-08 02:23:53,137 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 42 [2022-04-08 02:23:53,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:23:53,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 02:23:53,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 44 transitions. [2022-04-08 02:23:53,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 02:23:53,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 44 transitions. [2022-04-08 02:23:53,139 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 44 transitions. [2022-04-08 02:23:53,197 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:53,198 INFO L225 Difference]: With dead ends: 52 [2022-04-08 02:23:53,198 INFO L226 Difference]: Without dead ends: 47 [2022-04-08 02:23:53,198 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-04-08 02:23:53,199 INFO L913 BasicCegarLoop]: 30 mSDtfsCounter, 2 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-08 02:23:53,199 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 168 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 02:23:53,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-04-08 02:23:53,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-04-08 02:23:53,236 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:23:53,236 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand has 47 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-08 02:23:53,237 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand has 47 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-08 02:23:53,238 INFO L87 Difference]: Start difference. First operand 47 states. Second operand has 47 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-08 02:23:53,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:53,239 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2022-04-08 02:23:53,240 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2022-04-08 02:23:53,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:53,240 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:53,240 INFO L74 IsIncluded]: Start isIncluded. First operand has 47 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 47 states. [2022-04-08 02:23:53,241 INFO L87 Difference]: Start difference. First operand has 47 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 47 states. [2022-04-08 02:23:53,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:53,242 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2022-04-08 02:23:53,242 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2022-04-08 02:23:53,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:53,242 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:53,243 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:23:53,243 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:23:53,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-08 02:23:53,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2022-04-08 02:23:53,246 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 42 [2022-04-08 02:23:53,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:23:53,246 INFO L478 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2022-04-08 02:23:53,247 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 02:23:53,247 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2022-04-08 02:23:53,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-08 02:23:53,247 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:23:53,247 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:23:53,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-08 02:23:53,465 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:23:53,466 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:23:53,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:23:53,466 INFO L85 PathProgramCache]: Analyzing trace with hash 831591399, now seen corresponding path program 2 times [2022-04-08 02:23:53,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:23:53,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891636961] [2022-04-08 02:23:53,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:23:53,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:23:53,475 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:23:53,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [765735773] [2022-04-08 02:23:53,476 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 02:23:53,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:23:53,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:23:53,479 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 02:23:53,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-08 02:23:53,539 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 02:23:53,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 02:23:53,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-08 02:23:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:23:53,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 02:23:53,860 INFO L272 TraceCheckUtils]: 0: Hoare triple {2423#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2423#true} is VALID [2022-04-08 02:23:53,861 INFO L290 TraceCheckUtils]: 1: Hoare triple {2423#true} [62] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (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] {2431#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:53,862 INFO L290 TraceCheckUtils]: 2: Hoare triple {2431#(<= ~counter~0 0)} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2431#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:53,862 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2431#(<= ~counter~0 0)} {2423#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2431#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:53,862 INFO L272 TraceCheckUtils]: 4: Hoare triple {2431#(<= ~counter~0 0)} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2431#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:53,863 INFO L290 TraceCheckUtils]: 5: Hoare triple {2431#(<= ~counter~0 0)} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {2431#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:53,863 INFO L290 TraceCheckUtils]: 6: Hoare triple {2431#(<= ~counter~0 0)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2447#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:53,863 INFO L290 TraceCheckUtils]: 7: Hoare triple {2447#(<= ~counter~0 1)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2447#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:53,864 INFO L272 TraceCheckUtils]: 8: Hoare triple {2447#(<= ~counter~0 1)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2447#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:53,864 INFO L290 TraceCheckUtils]: 9: Hoare triple {2447#(<= ~counter~0 1)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2447#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:53,865 INFO L290 TraceCheckUtils]: 10: Hoare triple {2447#(<= ~counter~0 1)} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2447#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:53,866 INFO L290 TraceCheckUtils]: 11: Hoare triple {2447#(<= ~counter~0 1)} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2447#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:53,866 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {2447#(<= ~counter~0 1)} {2447#(<= ~counter~0 1)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2447#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:53,866 INFO L290 TraceCheckUtils]: 13: Hoare triple {2447#(<= ~counter~0 1)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2447#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:53,867 INFO L290 TraceCheckUtils]: 14: Hoare triple {2447#(<= ~counter~0 1)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2472#(<= ~counter~0 2)} is VALID [2022-04-08 02:23:53,867 INFO L290 TraceCheckUtils]: 15: Hoare triple {2472#(<= ~counter~0 2)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2472#(<= ~counter~0 2)} is VALID [2022-04-08 02:23:53,868 INFO L272 TraceCheckUtils]: 16: Hoare triple {2472#(<= ~counter~0 2)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2472#(<= ~counter~0 2)} is VALID [2022-04-08 02:23:53,868 INFO L290 TraceCheckUtils]: 17: Hoare triple {2472#(<= ~counter~0 2)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2472#(<= ~counter~0 2)} is VALID [2022-04-08 02:23:53,869 INFO L290 TraceCheckUtils]: 18: Hoare triple {2472#(<= ~counter~0 2)} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2472#(<= ~counter~0 2)} is VALID [2022-04-08 02:23:53,869 INFO L290 TraceCheckUtils]: 19: Hoare triple {2472#(<= ~counter~0 2)} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2472#(<= ~counter~0 2)} is VALID [2022-04-08 02:23:53,869 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {2472#(<= ~counter~0 2)} {2472#(<= ~counter~0 2)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2472#(<= ~counter~0 2)} is VALID [2022-04-08 02:23:53,870 INFO L290 TraceCheckUtils]: 21: Hoare triple {2472#(<= ~counter~0 2)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2472#(<= ~counter~0 2)} is VALID [2022-04-08 02:23:53,870 INFO L290 TraceCheckUtils]: 22: Hoare triple {2472#(<= ~counter~0 2)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2497#(<= ~counter~0 3)} is VALID [2022-04-08 02:23:53,870 INFO L290 TraceCheckUtils]: 23: Hoare triple {2497#(<= ~counter~0 3)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2497#(<= ~counter~0 3)} is VALID [2022-04-08 02:23:53,871 INFO L272 TraceCheckUtils]: 24: Hoare triple {2497#(<= ~counter~0 3)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2497#(<= ~counter~0 3)} is VALID [2022-04-08 02:23:53,871 INFO L290 TraceCheckUtils]: 25: Hoare triple {2497#(<= ~counter~0 3)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2497#(<= ~counter~0 3)} is VALID [2022-04-08 02:23:53,872 INFO L290 TraceCheckUtils]: 26: Hoare triple {2497#(<= ~counter~0 3)} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2497#(<= ~counter~0 3)} is VALID [2022-04-08 02:23:53,872 INFO L290 TraceCheckUtils]: 27: Hoare triple {2497#(<= ~counter~0 3)} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2497#(<= ~counter~0 3)} is VALID [2022-04-08 02:23:53,873 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2497#(<= ~counter~0 3)} {2497#(<= ~counter~0 3)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2497#(<= ~counter~0 3)} is VALID [2022-04-08 02:23:53,877 INFO L290 TraceCheckUtils]: 29: Hoare triple {2497#(<= ~counter~0 3)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2497#(<= ~counter~0 3)} is VALID [2022-04-08 02:23:53,878 INFO L290 TraceCheckUtils]: 30: Hoare triple {2497#(<= ~counter~0 3)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2522#(<= ~counter~0 4)} is VALID [2022-04-08 02:23:53,883 INFO L290 TraceCheckUtils]: 31: Hoare triple {2522#(<= ~counter~0 4)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2522#(<= ~counter~0 4)} is VALID [2022-04-08 02:23:53,884 INFO L272 TraceCheckUtils]: 32: Hoare triple {2522#(<= ~counter~0 4)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2522#(<= ~counter~0 4)} is VALID [2022-04-08 02:23:53,885 INFO L290 TraceCheckUtils]: 33: Hoare triple {2522#(<= ~counter~0 4)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2522#(<= ~counter~0 4)} is VALID [2022-04-08 02:23:53,885 INFO L290 TraceCheckUtils]: 34: Hoare triple {2522#(<= ~counter~0 4)} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2522#(<= ~counter~0 4)} is VALID [2022-04-08 02:23:53,888 INFO L290 TraceCheckUtils]: 35: Hoare triple {2522#(<= ~counter~0 4)} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2522#(<= ~counter~0 4)} is VALID [2022-04-08 02:23:53,889 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2522#(<= ~counter~0 4)} {2522#(<= ~counter~0 4)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2522#(<= ~counter~0 4)} is VALID [2022-04-08 02:23:53,889 INFO L290 TraceCheckUtils]: 37: Hoare triple {2522#(<= ~counter~0 4)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2522#(<= ~counter~0 4)} is VALID [2022-04-08 02:23:53,890 INFO L290 TraceCheckUtils]: 38: Hoare triple {2522#(<= ~counter~0 4)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2547#(<= |main_#t~post5| 4)} is VALID [2022-04-08 02:23:53,890 INFO L290 TraceCheckUtils]: 39: Hoare triple {2547#(<= |main_#t~post5| 4)} [69] L27-1-->L27-4: Formula: (not (< |v_main_#t~post5_2| 5)) InVars {main_#t~post5=|v_main_#t~post5_2|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2424#false} is VALID [2022-04-08 02:23:53,890 INFO L272 TraceCheckUtils]: 40: Hoare triple {2424#false} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {2424#false} is VALID [2022-04-08 02:23:53,890 INFO L290 TraceCheckUtils]: 41: Hoare triple {2424#false} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2424#false} is VALID [2022-04-08 02:23:53,890 INFO L290 TraceCheckUtils]: 42: Hoare triple {2424#false} [75] L10-->L11: Formula: (= 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[] {2424#false} is VALID [2022-04-08 02:23:53,891 INFO L290 TraceCheckUtils]: 43: Hoare triple {2424#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2424#false} is VALID [2022-04-08 02:23:53,891 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 02:23:53,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 02:23:54,258 INFO L290 TraceCheckUtils]: 43: Hoare triple {2424#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2424#false} is VALID [2022-04-08 02:23:54,258 INFO L290 TraceCheckUtils]: 42: Hoare triple {2424#false} [75] L10-->L11: Formula: (= 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[] {2424#false} is VALID [2022-04-08 02:23:54,258 INFO L290 TraceCheckUtils]: 41: Hoare triple {2424#false} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2424#false} is VALID [2022-04-08 02:23:54,258 INFO L272 TraceCheckUtils]: 40: Hoare triple {2424#false} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {2424#false} is VALID [2022-04-08 02:23:54,258 INFO L290 TraceCheckUtils]: 39: Hoare triple {2547#(<= |main_#t~post5| 4)} [69] L27-1-->L27-4: Formula: (not (< |v_main_#t~post5_2| 5)) InVars {main_#t~post5=|v_main_#t~post5_2|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2424#false} is VALID [2022-04-08 02:23:54,259 INFO L290 TraceCheckUtils]: 38: Hoare triple {2522#(<= ~counter~0 4)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2547#(<= |main_#t~post5| 4)} is VALID [2022-04-08 02:23:54,259 INFO L290 TraceCheckUtils]: 37: Hoare triple {2522#(<= ~counter~0 4)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2522#(<= ~counter~0 4)} is VALID [2022-04-08 02:23:54,260 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2423#true} {2522#(<= ~counter~0 4)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2522#(<= ~counter~0 4)} is VALID [2022-04-08 02:23:54,260 INFO L290 TraceCheckUtils]: 35: Hoare triple {2423#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2423#true} is VALID [2022-04-08 02:23:54,260 INFO L290 TraceCheckUtils]: 34: Hoare triple {2423#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2423#true} is VALID [2022-04-08 02:23:54,260 INFO L290 TraceCheckUtils]: 33: Hoare triple {2423#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2423#true} is VALID [2022-04-08 02:23:54,261 INFO L272 TraceCheckUtils]: 32: Hoare triple {2522#(<= ~counter~0 4)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2423#true} is VALID [2022-04-08 02:23:54,261 INFO L290 TraceCheckUtils]: 31: Hoare triple {2522#(<= ~counter~0 4)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2522#(<= ~counter~0 4)} is VALID [2022-04-08 02:23:54,262 INFO L290 TraceCheckUtils]: 30: Hoare triple {2497#(<= ~counter~0 3)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2522#(<= ~counter~0 4)} is VALID [2022-04-08 02:23:54,262 INFO L290 TraceCheckUtils]: 29: Hoare triple {2497#(<= ~counter~0 3)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2497#(<= ~counter~0 3)} is VALID [2022-04-08 02:23:54,270 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2423#true} {2497#(<= ~counter~0 3)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2497#(<= ~counter~0 3)} is VALID [2022-04-08 02:23:54,271 INFO L290 TraceCheckUtils]: 27: Hoare triple {2423#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2423#true} is VALID [2022-04-08 02:23:54,271 INFO L290 TraceCheckUtils]: 26: Hoare triple {2423#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2423#true} is VALID [2022-04-08 02:23:54,271 INFO L290 TraceCheckUtils]: 25: Hoare triple {2423#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2423#true} is VALID [2022-04-08 02:23:54,271 INFO L272 TraceCheckUtils]: 24: Hoare triple {2497#(<= ~counter~0 3)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2423#true} is VALID [2022-04-08 02:23:54,271 INFO L290 TraceCheckUtils]: 23: Hoare triple {2497#(<= ~counter~0 3)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2497#(<= ~counter~0 3)} is VALID [2022-04-08 02:23:54,272 INFO L290 TraceCheckUtils]: 22: Hoare triple {2472#(<= ~counter~0 2)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2497#(<= ~counter~0 3)} is VALID [2022-04-08 02:23:54,272 INFO L290 TraceCheckUtils]: 21: Hoare triple {2472#(<= ~counter~0 2)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2472#(<= ~counter~0 2)} is VALID [2022-04-08 02:23:54,272 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {2423#true} {2472#(<= ~counter~0 2)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2472#(<= ~counter~0 2)} is VALID [2022-04-08 02:23:54,273 INFO L290 TraceCheckUtils]: 19: Hoare triple {2423#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2423#true} is VALID [2022-04-08 02:23:54,273 INFO L290 TraceCheckUtils]: 18: Hoare triple {2423#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2423#true} is VALID [2022-04-08 02:23:54,273 INFO L290 TraceCheckUtils]: 17: Hoare triple {2423#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2423#true} is VALID [2022-04-08 02:23:54,273 INFO L272 TraceCheckUtils]: 16: Hoare triple {2472#(<= ~counter~0 2)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2423#true} is VALID [2022-04-08 02:23:54,273 INFO L290 TraceCheckUtils]: 15: Hoare triple {2472#(<= ~counter~0 2)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2472#(<= ~counter~0 2)} is VALID [2022-04-08 02:23:54,274 INFO L290 TraceCheckUtils]: 14: Hoare triple {2447#(<= ~counter~0 1)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2472#(<= ~counter~0 2)} is VALID [2022-04-08 02:23:54,274 INFO L290 TraceCheckUtils]: 13: Hoare triple {2447#(<= ~counter~0 1)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2447#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:54,275 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {2423#true} {2447#(<= ~counter~0 1)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2447#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:54,275 INFO L290 TraceCheckUtils]: 11: Hoare triple {2423#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2423#true} is VALID [2022-04-08 02:23:54,275 INFO L290 TraceCheckUtils]: 10: Hoare triple {2423#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2423#true} is VALID [2022-04-08 02:23:54,275 INFO L290 TraceCheckUtils]: 9: Hoare triple {2423#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2423#true} is VALID [2022-04-08 02:23:54,275 INFO L272 TraceCheckUtils]: 8: Hoare triple {2447#(<= ~counter~0 1)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2423#true} is VALID [2022-04-08 02:23:54,275 INFO L290 TraceCheckUtils]: 7: Hoare triple {2447#(<= ~counter~0 1)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2447#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:54,276 INFO L290 TraceCheckUtils]: 6: Hoare triple {2431#(<= ~counter~0 0)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2447#(<= ~counter~0 1)} is VALID [2022-04-08 02:23:54,276 INFO L290 TraceCheckUtils]: 5: Hoare triple {2431#(<= ~counter~0 0)} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {2431#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:54,276 INFO L272 TraceCheckUtils]: 4: Hoare triple {2431#(<= ~counter~0 0)} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2431#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:54,277 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2431#(<= ~counter~0 0)} {2423#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2431#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:54,277 INFO L290 TraceCheckUtils]: 2: Hoare triple {2431#(<= ~counter~0 0)} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2431#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:54,278 INFO L290 TraceCheckUtils]: 1: Hoare triple {2423#true} [62] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (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] {2431#(<= ~counter~0 0)} is VALID [2022-04-08 02:23:54,278 INFO L272 TraceCheckUtils]: 0: Hoare triple {2423#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2423#true} is VALID [2022-04-08 02:23:54,278 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-08 02:23:54,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:23:54,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891636961] [2022-04-08 02:23:54,278 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 02:23:54,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765735773] [2022-04-08 02:23:54,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765735773] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 02:23:54,278 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 02:23:54,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2022-04-08 02:23:54,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176504676] [2022-04-08 02:23:54,278 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-08 02:23:54,279 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), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 44 [2022-04-08 02:23:54,280 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:23:54,286 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), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2022-04-08 02:23:54,325 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:54,325 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-08 02:23:54,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:23:54,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-08 02:23:54,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-04-08 02:23:54,326 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2022-04-08 02:23:54,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:54,476 INFO L93 Difference]: Finished difference Result 58 states and 59 transitions. [2022-04-08 02:23:54,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-08 02:23:54,476 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), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 44 [2022-04-08 02:23:54,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:23:54,476 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), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2022-04-08 02:23:54,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 58 transitions. [2022-04-08 02:23:54,480 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), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2022-04-08 02:23:54,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 58 transitions. [2022-04-08 02:23:54,489 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 58 transitions. [2022-04-08 02:23:54,529 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:54,530 INFO L225 Difference]: With dead ends: 58 [2022-04-08 02:23:54,530 INFO L226 Difference]: Without dead ends: 53 [2022-04-08 02:23:54,530 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-04-08 02:23:54,531 INFO L913 BasicCegarLoop]: 21 mSDtfsCounter, 2 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 02:23:54,531 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 83 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 02:23:54,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-04-08 02:23:54,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-04-08 02:23:54,550 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:23:54,550 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand has 53 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 8 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-08 02:23:54,550 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand has 53 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 8 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-08 02:23:54,556 INFO L87 Difference]: Start difference. First operand 53 states. Second operand has 53 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 8 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-08 02:23:54,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:54,558 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2022-04-08 02:23:54,558 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2022-04-08 02:23:54,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:54,558 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:54,558 INFO L74 IsIncluded]: Start isIncluded. First operand has 53 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 8 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 53 states. [2022-04-08 02:23:54,558 INFO L87 Difference]: Start difference. First operand has 53 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 8 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 53 states. [2022-04-08 02:23:54,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:54,559 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2022-04-08 02:23:54,560 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2022-04-08 02:23:54,560 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:54,560 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:54,560 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:23:54,560 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:23:54,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 8 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-08 02:23:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2022-04-08 02:23:54,561 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 44 [2022-04-08 02:23:54,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:23:54,561 INFO L478 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2022-04-08 02:23:54,562 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2022-04-08 02:23:54,562 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2022-04-08 02:23:54,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-08 02:23:54,563 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:23:54,564 INFO L499 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:23:54,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-08 02:23:54,779 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-04-08 02:23:54,780 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:23:54,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:23:54,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1805593115, now seen corresponding path program 4 times [2022-04-08 02:23:54,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:23:54,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859807802] [2022-04-08 02:23:54,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:23:54,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:23:54,795 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:23:54,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [307789266] [2022-04-08 02:23:54,795 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 02:23:54,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:23:54,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:23:54,796 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 02:23:54,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-08 02:23:54,863 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 02:23:54,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 02:23:54,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 25 conjunts are in the unsatisfiable core [2022-04-08 02:23:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:23:54,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 02:23:55,228 INFO L272 TraceCheckUtils]: 0: Hoare triple {2965#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-08 02:23:55,229 INFO L290 TraceCheckUtils]: 1: Hoare triple {2965#true} [62] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (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] {2965#true} is VALID [2022-04-08 02:23:55,229 INFO L290 TraceCheckUtils]: 2: Hoare triple {2965#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-08 02:23:55,229 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2965#true} {2965#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-08 02:23:55,229 INFO L272 TraceCheckUtils]: 4: Hoare triple {2965#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-08 02:23:55,229 INFO L290 TraceCheckUtils]: 5: Hoare triple {2965#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {2985#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:55,230 INFO L290 TraceCheckUtils]: 6: Hoare triple {2985#(and (= main_~c~0 0) (= main_~y~0 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2985#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:55,230 INFO L290 TraceCheckUtils]: 7: Hoare triple {2985#(and (= main_~c~0 0) (= main_~y~0 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2985#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:55,230 INFO L272 TraceCheckUtils]: 8: Hoare triple {2985#(and (= main_~c~0 0) (= main_~y~0 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2965#true} is VALID [2022-04-08 02:23:55,230 INFO L290 TraceCheckUtils]: 9: Hoare triple {2965#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2965#true} is VALID [2022-04-08 02:23:55,230 INFO L290 TraceCheckUtils]: 10: Hoare triple {2965#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-08 02:23:55,230 INFO L290 TraceCheckUtils]: 11: Hoare triple {2965#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-08 02:23:55,231 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {2965#true} {2985#(and (= main_~c~0 0) (= main_~y~0 0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2985#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-08 02:23:55,231 INFO L290 TraceCheckUtils]: 13: Hoare triple {2985#(and (= main_~c~0 0) (= main_~y~0 0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {3010#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} is VALID [2022-04-08 02:23:55,232 INFO L290 TraceCheckUtils]: 14: Hoare triple {3010#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {3010#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} is VALID [2022-04-08 02:23:55,232 INFO L290 TraceCheckUtils]: 15: Hoare triple {3010#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {3010#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} is VALID [2022-04-08 02:23:55,232 INFO L272 TraceCheckUtils]: 16: Hoare triple {3010#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2965#true} is VALID [2022-04-08 02:23:55,232 INFO L290 TraceCheckUtils]: 17: Hoare triple {2965#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2965#true} is VALID [2022-04-08 02:23:55,232 INFO L290 TraceCheckUtils]: 18: Hoare triple {2965#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-08 02:23:55,232 INFO L290 TraceCheckUtils]: 19: Hoare triple {2965#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-08 02:23:55,233 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {2965#true} {3010#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3010#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} is VALID [2022-04-08 02:23:55,234 INFO L290 TraceCheckUtils]: 21: Hoare triple {3010#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {3035#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} is VALID [2022-04-08 02:23:55,234 INFO L290 TraceCheckUtils]: 22: Hoare triple {3035#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {3035#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} is VALID [2022-04-08 02:23:55,234 INFO L290 TraceCheckUtils]: 23: Hoare triple {3035#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {3035#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} is VALID [2022-04-08 02:23:55,234 INFO L272 TraceCheckUtils]: 24: Hoare triple {3035#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2965#true} is VALID [2022-04-08 02:23:55,234 INFO L290 TraceCheckUtils]: 25: Hoare triple {2965#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2965#true} is VALID [2022-04-08 02:23:55,234 INFO L290 TraceCheckUtils]: 26: Hoare triple {2965#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-08 02:23:55,235 INFO L290 TraceCheckUtils]: 27: Hoare triple {2965#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-08 02:23:55,235 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2965#true} {3035#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3035#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} is VALID [2022-04-08 02:23:55,235 INFO L290 TraceCheckUtils]: 29: Hoare triple {3035#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {3060#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} is VALID [2022-04-08 02:23:55,236 INFO L290 TraceCheckUtils]: 30: Hoare triple {3060#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {3060#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} is VALID [2022-04-08 02:23:55,236 INFO L290 TraceCheckUtils]: 31: Hoare triple {3060#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {3060#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} is VALID [2022-04-08 02:23:55,236 INFO L272 TraceCheckUtils]: 32: Hoare triple {3060#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2965#true} is VALID [2022-04-08 02:23:55,236 INFO L290 TraceCheckUtils]: 33: Hoare triple {2965#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2965#true} is VALID [2022-04-08 02:23:55,236 INFO L290 TraceCheckUtils]: 34: Hoare triple {2965#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-08 02:23:55,237 INFO L290 TraceCheckUtils]: 35: Hoare triple {2965#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-08 02:23:55,238 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2965#true} {3060#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3060#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} is VALID [2022-04-08 02:23:55,239 INFO L290 TraceCheckUtils]: 37: Hoare triple {3060#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {3085#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} is VALID [2022-04-08 02:23:55,240 INFO L290 TraceCheckUtils]: 38: Hoare triple {3085#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {3085#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} is VALID [2022-04-08 02:23:55,240 INFO L290 TraceCheckUtils]: 39: Hoare triple {3085#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {3085#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} is VALID [2022-04-08 02:23:55,240 INFO L272 TraceCheckUtils]: 40: Hoare triple {3085#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2965#true} is VALID [2022-04-08 02:23:55,240 INFO L290 TraceCheckUtils]: 41: Hoare triple {2965#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2965#true} is VALID [2022-04-08 02:23:55,240 INFO L290 TraceCheckUtils]: 42: Hoare triple {2965#true} [76] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-08 02:23:55,240 INFO L290 TraceCheckUtils]: 43: Hoare triple {2965#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-08 02:23:55,241 INFO L284 TraceCheckUtils]: 44: Hoare quadruple {2965#true} {3085#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3085#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} is VALID [2022-04-08 02:23:55,241 INFO L290 TraceCheckUtils]: 45: Hoare triple {3085#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} [77] L28-1-->L27-4: Formula: (not (< v_main_~c~0_1 v_main_~k~0_1)) InVars {main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} OutVars{main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} AuxVars[] AssignedVars[] {3110#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~k~0 4))} is VALID [2022-04-08 02:23:55,242 INFO L272 TraceCheckUtils]: 46: Hoare triple {3110#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~k~0 4))} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {3114#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 02:23:55,242 INFO L290 TraceCheckUtils]: 47: Hoare triple {3114#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3118#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 02:23:55,242 INFO L290 TraceCheckUtils]: 48: Hoare triple {3118#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: Formula: (= 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[] {2966#false} is VALID [2022-04-08 02:23:55,243 INFO L290 TraceCheckUtils]: 49: Hoare triple {2966#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2966#false} is VALID [2022-04-08 02:23:55,243 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-04-08 02:23:55,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 02:23:55,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:23:55,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859807802] [2022-04-08 02:23:55,752 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 02:23:55,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307789266] [2022-04-08 02:23:55,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307789266] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 02:23:55,752 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-08 02:23:55,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-04-08 02:23:55,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067130718] [2022-04-08 02:23:55,752 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-04-08 02:23:55,753 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 50 [2022-04-08 02:23:55,753 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:23:55,753 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-08 02:23:55,780 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:55,780 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-08 02:23:55,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:23:55,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-08 02:23:55,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2022-04-08 02:23:55,781 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-08 02:23:56,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:56,291 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2022-04-08 02:23:56,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-08 02:23:56,292 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 50 [2022-04-08 02:23:56,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:23:56,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-08 02:23:56,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 49 transitions. [2022-04-08 02:23:56,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-08 02:23:56,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 49 transitions. [2022-04-08 02:23:56,298 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 49 transitions. [2022-04-08 02:23:56,379 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:23:56,380 INFO L225 Difference]: With dead ends: 60 [2022-04-08 02:23:56,380 INFO L226 Difference]: Without dead ends: 55 [2022-04-08 02:23:56,381 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2022-04-08 02:23:56,381 INFO L913 BasicCegarLoop]: 34 mSDtfsCounter, 2 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-08 02:23:56,381 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 208 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-08 02:23:56,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-04-08 02:23:56,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-04-08 02:23:56,424 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:23:56,424 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand has 55 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 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) [2022-04-08 02:23:56,424 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand has 55 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 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) [2022-04-08 02:23:56,424 INFO L87 Difference]: Start difference. First operand 55 states. Second operand has 55 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 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) [2022-04-08 02:23:56,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:56,425 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2022-04-08 02:23:56,425 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2022-04-08 02:23:56,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:56,426 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:56,426 INFO L74 IsIncluded]: Start isIncluded. First operand has 55 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 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 55 states. [2022-04-08 02:23:56,426 INFO L87 Difference]: Start difference. First operand has 55 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 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 55 states. [2022-04-08 02:23:56,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:23:56,427 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2022-04-08 02:23:56,427 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2022-04-08 02:23:56,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:23:56,427 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:23:56,427 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:23:56,427 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:23:56,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 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) [2022-04-08 02:23:56,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2022-04-08 02:23:56,428 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 50 [2022-04-08 02:23:56,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:23:56,428 INFO L478 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2022-04-08 02:23:56,428 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-08 02:23:56,428 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2022-04-08 02:23:56,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-04-08 02:23:56,428 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:23:56,429 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:23:56,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-04-08 02:23:56,659 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-04-08 02:23:56,660 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:23:56,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:23:56,660 INFO L85 PathProgramCache]: Analyzing trace with hash 847694216, now seen corresponding path program 3 times [2022-04-08 02:23:56,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:23:56,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523673690] [2022-04-08 02:23:56,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:23:56,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:23:56,701 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:23:56,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1722513702] [2022-04-08 02:23:56,701 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-08 02:23:56,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:23:56,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:23:56,704 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 02:23:56,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-04-08 02:23:56,810 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-04-08 02:23:56,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-04-08 02:23:56,810 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-08 02:23:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-08 02:23:56,880 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-08 02:23:56,880 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-08 02:23:56,880 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-08 02:23:56,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-04-08 02:23:57,082 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-04-08 02:23:57,084 INFO L719 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1, 1, 1] [2022-04-08 02:23:57,086 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-08 02:23:57,137 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-08 02:23:57,137 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2022-04-08 02:23:57,137 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2022-04-08 02:23:57,137 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2022-04-08 02:23:57,137 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-08 02:23:57,137 WARN L170 areAnnotationChecker]: L27-3 has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: L27-3 has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: L27-4 has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: L10-2 has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-08 02:23:57,138 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-08 02:23:57,138 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-08 02:23:57,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.04 02:23:57 BasicIcfg [2022-04-08 02:23:57,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-08 02:23:57,151 INFO L158 Benchmark]: Toolchain (without parser) took 49921.08ms. Allocated memory was 196.1MB in the beginning and 274.7MB in the end (delta: 78.6MB). Free memory was 139.0MB in the beginning and 93.4MB in the end (delta: 45.6MB). Peak memory consumption was 124.7MB. Max. memory is 8.0GB. [2022-04-08 02:23:57,151 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory is still 155.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-08 02:23:57,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.27ms. Allocated memory is still 196.1MB. Free memory was 138.7MB in the beginning and 168.1MB in the end (delta: -29.5MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. [2022-04-08 02:23:57,152 INFO L158 Benchmark]: Boogie Preprocessor took 17.96ms. Allocated memory is still 196.1MB. Free memory was 168.1MB in the beginning and 166.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-08 02:23:57,152 INFO L158 Benchmark]: RCFGBuilder took 223.23ms. Allocated memory is still 196.1MB. Free memory was 166.6MB in the beginning and 155.8MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-04-08 02:23:57,152 INFO L158 Benchmark]: IcfgTransformer took 18.39ms. Allocated memory is still 196.1MB. Free memory was 155.6MB in the beginning and 154.2MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-08 02:23:57,152 INFO L158 Benchmark]: TraceAbstraction took 49414.08ms. Allocated memory was 196.1MB in the beginning and 274.7MB in the end (delta: 78.6MB). Free memory was 153.7MB in the beginning and 93.4MB in the end (delta: 60.4MB). Peak memory consumption was 139.5MB. Max. memory is 8.0GB. [2022-04-08 02:23:57,153 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 196.1MB. Free memory is still 155.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 230.27ms. Allocated memory is still 196.1MB. Free memory was 138.7MB in the beginning and 168.1MB in the end (delta: -29.5MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.96ms. Allocated memory is still 196.1MB. Free memory was 168.1MB in the beginning and 166.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 223.23ms. Allocated memory is still 196.1MB. Free memory was 166.6MB in the beginning and 155.8MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 18.39ms. Allocated memory is still 196.1MB. Free memory was 155.6MB in the beginning and 154.2MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * TraceAbstraction took 49414.08ms. Allocated memory was 196.1MB in the beginning and 274.7MB in the end (delta: 78.6MB). Free memory was 153.7MB in the beginning and 93.4MB in the end (delta: 60.4MB). Peak memory consumption was 139.5MB. 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: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int counter = 0; VAL [\old(counter)=7, counter=0] [L19] short k; [L20] long long y, x, c; [L21] k = __VERIFIER_nondet_short() [L23] y = 0 [L24] x = 0 [L25] c = 0 VAL [\old(counter)=0, c=0, counter=0, k=6, x=0, y=0] [L27] EXPR counter++ VAL [\old(counter)=0, c=0, counter=1, counter++=0, k=6, x=0, y=0] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, \old(counter)=0, counter=1] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=1] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(counter)=0, c=0, counter=1, k=6, x=0, y=0] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [\old(counter)=0, c=1, counter=1, k=6, x=1, y=1] [L27] EXPR counter++ VAL [\old(counter)=0, c=1, counter=2, counter++=1, k=6, x=1, y=1] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, \old(counter)=0, counter=2] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=2] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(counter)=0, c=1, counter=2, k=6, x=1, y=1] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [\old(counter)=0, c=2, counter=2, k=6, x=9, y=2] [L27] EXPR counter++ VAL [\old(counter)=0, c=2, counter=3, counter++=2, k=6, x=9, y=2] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, \old(counter)=0, counter=3] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=3] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(counter)=0, c=2, counter=3, k=6, x=9, y=2] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [\old(counter)=0, c=3, counter=3, k=6, x=36, y=3] [L27] EXPR counter++ VAL [\old(counter)=0, c=3, counter=4, counter++=3, k=6, x=36, y=3] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, \old(counter)=0, counter=4] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=4] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(counter)=0, c=3, counter=4, k=6, x=36, y=3] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [\old(counter)=0, c=4, counter=4, k=6, x=100, y=4] [L27] EXPR counter++ VAL [\old(counter)=0, c=4, counter=5, counter++=4, k=6, x=100, y=4] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, \old(counter)=0, counter=5] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=5] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(counter)=0, c=4, counter=5, k=6, x=100, y=4] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [\old(counter)=0, c=5, counter=5, k=6, x=225, y=5] [L27] EXPR counter++ VAL [\old(counter)=0, c=5, counter=6, counter++=5, k=6, x=225, y=5] [L27] COND FALSE !(counter++<5) [L37] CALL __VERIFIER_assert(k*y - (y*y) == 0) VAL [\old(cond)=0, \old(counter)=0, counter=6] [L10] COND TRUE !(cond) VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=6] [L12] reach_error() VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 49.3s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 990 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 758 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 536 IncrementalHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 232 mSDtfsCounter, 536 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 437 GetRequests, 343 SyntacticMatches, 7 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 20.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=10, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 42.8s InterpolantComputationTime, 323 NumberOfCodeBlocks, 323 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 1359 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1015 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 158/334 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! [2022-04-08 02:23:57,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...